Circular Optical Filters

113 Results
Broadband Interference Filters -- GCC-2030
from Daheng New Epoch Technology, Inc.

Broadband Interference [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 5
Fused Silica IPL Filter For Hair Removal
from HG Optronics, Inc.

IPL Filter is the key optical element for IPL (intense Pulsed Light) machine, which blocks the UV wave and transmits the useful wave from 400nm to 1200nm for laser equipment, such as photo-rejuvenation hair removal, vascular and acne treatment, skin rejuvenation. 5.1 、What is IPL filters?. [See More]

  • Filter Shape: Circular
  • Surface Quality: 20-10 Scratch / Dig; 60-40 Scratch / Dig
  • Application: Ultraviolet
1030.7-3 OD5 Ultra Narrow Bandpass Filter -- 7355
from Alluxa, Inc.

Ultra-narrowband optical interference filter with a 1030.7 nm center wavelength (CWL), a 3 nm full-width at half-maximum (FWHM), and wide-range OD5 out-of-band blocking from 200 nm to 1200 nm. This is a multi-cavity filter with steep edges, a flat top, and transmission that is greater than 95% at... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 25.3
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 2
AR Coating Stock Filters
from Electro Optical Components, Inc.

The capabilities of anti-reflection coatings for infrared optical interference filters range from single layers to advanced high efficiency multi-layer coatings. These coatings can be applied to windows, lenses or customer supplied substrates. For special applications, the coatings can be designed... [See More]

  • Filter Shape: Circular; Square; Rectangular
  • Filter Diameter, Side Length, or Rectangular Length: 7.5 to 100
  • Application: Infrared
  • Rectangular Width: 3.3 to 50
Dielectric Coating Filter
from Foctek Photonics, Inc.

FOCtek offers dielectric coating filters made of optical materials such as Colored Glass, BK7, Fused Silica, Sapphire and so on. The dielectric coating filters include bandpass filters, dichroic filters, longpass filters and shortpass filters. The transmissive ranges of wavelength is customized and... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 10 to 25.4
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters; Long Pass Filters; Short Pass Filters
  • Thickness: 0.2000 to 20
Infrared (IR) Covert Filters
from Abrisa Technologies

This covert filter design blocks energy with wavelengths shorter than 825nm. Typically used with infra-red cameras, scopes, and night vision goggles for surveillance, these filters enable infrared energy to be emitted from a variety of light sources while blocking visible energy, avoiding detection... [See More]

  • Filter Shape: Circular
  • Application: Infrared
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 24
High Performance Interference Filters -- GCC-2021
from Daheng New Epoch Technology, Inc.

High Performance Interference [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 5
IR Cut Bandpass Antireflection Coating Filter
from HG Optronics, Inc.

A band pass filter is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range, and it ’s used to selectively transmit a portion of the spectrum while rejecting all other wavelengths. 4.1 、What are bandpass filters?. A bandpass... [See More]

  • Filter Shape: Circular
  • Application: Infrared
  • Filter Type: Bandpass / Interference Filters
Multiband Calibration Filter Glass, Selective Absorption
from Foctek Photonics, Inc.

Applications. Photographing Apparatus. Meter and Instrument. Optical Device. Medical Treatment Apparatus. Teaching Apparatus. UV Analyzer. Financial Equipment. Airport Lamps. Military Equipment. Technological Research Institute. Public Security Department [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Color Filters; Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12 to 25.4
Optical Filter & Coating -- Dichroics & Colored Glass
from Abrisa Technologies

Abrisa Technologies designs, manufactures and distributes precision optical coating solutions and custom glass fabricated optical products via our two divisions Abrisa Industrial Glass, located in Santa Paula, CA and ZC &R Coatings for Optics located in Torrance, CA. Our innovative engineering... [See More]

  • Filter Shape: Circular; Square
  • Filter Diameter, Side Length, or Rectangular Length: 610
  • Filter Type: Color Filters; Dichroic Filters
  • Thickness: 1.1 to 3.3
Long-Pass Filters -- GCC-300
from Daheng New Epoch Technology, Inc.

The substrate materials of the color filters inherently have different absorption and transmission properties across the spectrum. The are often used as long-pass and band- pass filters. It should be noted that the boundaries between passing and blocking wavelengths are less sharp than most coated... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
  • Filter Type: Long Pass Filters
  • Transmission Range: 500 to 2500
Longpass Filters For Vision Inspection Apllication
from HG Optronics, Inc.

Longpass filters are ideal for a variety of applications, such as gas monitoring, temperature, sensing, thermal imaging and motion sensing, etc. Longpass filters block shorter wavelengths and transmit longer wavelengths. Blocking can be from reflectance, absorption or a combination. Transmission in... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters
Neutral Density Filter
from Foctek Photonics, Inc.

Neutral density filters attenuate, split or combine beams in a range of irradiance ratios with little dependence on wavelength. FOCtek offers two kinds of neutral density filters, which are neutral grey glass type filters and metallic coated type filters made of optical glass such as N-BK7, H-K9L... [See More]

  • Filter Shape: Circular; Square (optional feature); Rectangular (optional feature)
  • Filter Diameter, Side Length, or Rectangular Length: 10 to 25.4
  • Filter Type: Neutral Density Filters
  • Surface Quality: 20-10 Scratch / Dig; 80-50 Scratch / Dig
Metallic Circularly Variable Neutral Density Filters -- GCC-3030
from Daheng New Epoch Technology, Inc.

Circularly variable neutral density filters are designed to simplify attenuation and beam splitting from VIS to near IR. The optical density gradually varies around a 270 circle for convenient attenuation adjustment by simply rotating the filter. Attenuation is achieved by a thin Ni-Cr-Fe film,... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 50
  • Filter Type: Neutral Density Filters
  • Thickness: 1.5
Optical Colored Glass Filter
from HG Optronics, Inc.

Colored glass filters are optical components that control incident wavelength by distributing an optical absorbing substance in glass. 1.1 、How do optical filters work?. Optical filters are passive devices that allow the transmission of a specific wavelength or set of wavelengths of light. [See More]

  • Filter Shape: Circular
  • Surface Quality: 20-10 Scratch / Dig; 60-40 Scratch / Dig
  • Application: Visible
Short-Pass Filters -- GCC-211
from Daheng New Epoch Technology, Inc.

Optical Short-pass Filters are coated on a substrate of fused silica, which allows the transmission of any wavelength shorter than the cut-off wavelength and block any wavelength longer than the cut-off. [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
  • Filter Type: Short Pass Filters
  • Thickness: 4
Optical glass neutral density filters
from HG Optronics, Inc.

A Neutral Density filter allows a photographer to control the exposure in an image very easily. The filter stops light reaching the camera sensor, therefore allowing us to leave the camera with a higher aperture for a longer amount of time. HG OPTRONICS neutral-density filter is a filter that... [See More]

  • Filter Shape: Circular
  • Application: Ultraviolet
  • Filter Type: Neutral Density Filters
  • Surface Quality: 40-20 Scratch / Dig; 60-40 Scratch / Dig
UV Interference Filters -- GCC-2010
from Daheng New Epoch Technology, Inc.

Interference filters are fabricated by a series of thin layers of various dielectric materials sandwiched by glass substrates. When multi wavelength light passes through the filter interference occurs due to the difference in refractive index, resulting a very high transmittance the differences for... [See More]

  • Filter Shape: Circular
  • Application: Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
VIS & IR Laser Interference Fiters -- GCC-2020
from Daheng New Epoch Technology, Inc.

Interference filters are fabricated by a series of thin layers of various dielectric materials sandwiched by glsaa substrates. When multi wavelength light passes through the filter interference occurs due to the differences in refractive index, resulting in a very high transmittance for certain... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
0.3 Optical Density 12.5mm Dia NIR ND Filter -- NT47-825
from Edmund Optics Inc.

Ideal for NIR Wavelengths 700-1100nm. Optical Densities Ranging from 0.3 to 3.0. Our TECHSPEC ® Reflective NIR ND filters feature a spectrally flat region between 700 and 1100nm, outstanding parallelism, and exceptional surface characteristics. The combination of high tolerance and broadband... [See More]

  • Filter Shape: Circular
  • Application: Infrared
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
Bandpass Interference Filters
from CeNing Optics Co., Ltd.

Band pass filter plates are divided into short-pass and long-pass filters according to whether they transmit below or above the transition wavelength. The transition wavelength or cut-on/off wavelength is the wavelength at which the transmission is 50% of its peak value. [See More]

  • Filter Shape: Circular; Square
  • Application: Infrared; Visible
  • Filter Type: Bandpass / Interference Filters; Long Pass Filters; Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 5 to 76.2
Optical Filters - Biomedical
from Tower Optical Corporation

Tower custom filters cover applications for biomedical bandpass, narrow bandpass, broad bandpass or long pass. Using ion-beam sputtering together with volume manufacturing methods, Tower is able to offer cost-effective solutions. [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Bandpass / Interference Filters; Neutral Density Filters
0.03 OD Metallic ND Filter UV Grade 25mmdia x 2mmthk -- FNU00325
from Knight Optical (UK) Ltd

Metallic Neutral Density filters comprise a thin metallic layer on a borosilicate glass or UV grade fused silica polished window. Metallic ND filters attenuate the light by reflection and thus avoid the possible heating issues with glass and gelatine neutral density filter types. However care must... [See More]

  • Filter Shape: Circular
  • Rectangular Width: 0.2000
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Thickness: 0.1000
Band Pass Filters -- F-BPF005
from Ross Optical Industries

These glass filters are used to selectively transmit certain wavelength range and block others or to reduce the amount of heat transmitted through the system. They are categorized into long pass filters, short pass filters, band pass filters, heat absorbing and neutral density filters. [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
  • Filter Type: Color Filters; Bandpass / Interference Filters
  • Thickness: 3
Infrared Dichroic Filters
from Rocky Mountain Instrument/RMI Laser

Dichroic Filter coatings are designed to transmit one spectral region (passband) and reflect another (rejection band). The filter is a Short Wave Pass (SWP) if the passband is to the left of the transition slope, and a Long Wave Pass (LWP) if the passband is to the right of the slope. The advantages... [See More]

  • Filter Shape: Circular
  • Application: Infrared
  • Filter Type: Color Filters; Dichroic Filters; Long Pass Filters; Short Pass Filters
1.25" Baader Blue filter -- 51889
from Santa Barbara Instrument Group

1.25 " Baader Blue filter, AR coated, optically polished, in threaded cell [See More]

  • Filter Shape: Circular
  • Filter Type: Color Filters
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59901 ET - 405/488nm Laser Dual Band Set
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Filters 610075 -- 610075
from TSI Incorporated

Component for certain Fluid Mechanics products. Filter 305 nm +/-10nm, 25 mm dia. Features & Benefits. Full range of transmission wavelengths. Long wave pass, short wave pass, and band pass filters. Built in threaded mounts for direct attachment to camera lens [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 25
25mm Neutral Density Filters
from Rapid Spectral Solutions

25mm neutral density filters available in a wide range of optical densities. These filters are suitable for all general use. 2mm thick. [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25
Blue Colored Glass Filters
from Qioptiq

Volume filters fabricated from colored glass. Mounted and unmounted versions available. Mounted types fit to LINOS Microbench m. Max. IR-transmittance of all filters at 2600 nm. Reflection Coefficient P = 0.92. Thickness of the Filters: 2 mm. Tolerances: Ø 22.2 mm: ± 0.2 mm; Ø... [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Color Filters
  • Filter Diameter, Side Length, or Rectangular Length: 21.4 to 50
Optical Filters
from Rainbow Research Optics, Inc.

Rainbow Research Optics, Inc. (RROI) specializes in custom optics. We focus on wavelength ranges from 193 nm to 14 um. Our manufacturing capabilities include a wide range of optical components including lenses, mirrors, windows, prisms, beamsplitters, filters, coatings, and more. While we offer a... [See More]

  • Filter Shape: Circular; Square
  • Surface Quality: 20-10 Scratch / Dig
  • Filter Type: Color Filters; Bandpass / Interference Filters; Long Pass Filters; Short Pass Filters; Neutral Density Filters
Crystalline Materials for Optical UV Band Pass Filters
from EKSMA OPTICS

Almost all UV radiation (especially 240-280nm) is absorbed by Earth ozone layer, and the UV radiation that is created by some object near the Earth surface, can be detected only using special zone filters. Crystal materials are robust substrates from which optical filters of high purity and optical... [See More]

  • Filter Shape: Circular
  • Application: Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25 to 40
Neutral Density Filter
from ECOPTIK (CHANGCHUN) LTD

Neutral density filter is often used in imaging or laser applications to avoid strong light damage to camera sensors or other optical components. ND filters absorb or reflect untransmitted light to evenly reduce transmission in a given part of the spectrum. If you want to get the neutral density... [See More]

  • Filter Shape: Circular
  • Transmission Range: 400 to 1100
  • Filter Type: Neutral Density Filters
Vision Sensor Filters
from Banner Engineering Corp.

Infrared filter blocks visible light and passes infrared light (included with infrared lights). Blue filter improves quality by reducing ambient light; it passes blue and infrared light. Green filter improves quality reducing ambient light; it passes green and infrared light. Red filter improves... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible
  • Filter Type: Color Filters
Long Pass Filter
from Changchun Sunday Optics Co., Ltd.

Optical Mirrors are used for beam turning, interferometry, imaging, or illumination.Using polished glass or metal as the substrate, the light beam hits the surface to form mirror reflection.In order to obtain as much reflected light as possible, the substrate is often coated with a reflective... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 2 to 200
Custom Broad, Narrow, and Dual Bandpass Filters
from Deposition Sciences, Inc.

PRODUCT DESCRIPTION. DSI has many years of experience producing narrow bandpass filters for use in the MWIR through LWIR. The coatings are. produced by either sputtering or evaporation. They are durable and can be used in a broad range of operating environments. APPLICATIONS. • Gas Detection. [See More]

  • Filter Shape: Circular; Square (optional feature)
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Color Filters; Bandpass / Interference Filters
Longpass Filters for Vision Inspection Apllication
from UNI OPTICS(Fujian) Co., Ltd

Longpass filters are ideal for a variety of applications, such as gas monitoring, temperature, sensing, thermal imaging and motion sensing, etc. Longpass filters block shorter wavelengths and transmit longer wavelengths. Blocking can be from reflectance, absorption or a combination. Transmission in... [See More]

  • Filter Shape: Circular
  • Filter Type: Long Pass Filters
Absorptive Neutral Density Filters
from Newport Corporation

Newport's absoprtive ND fitlers are precision polished, and offer uniform attenuation over lower power beams across the visible range at an economical price suitable for OEM integration. Low cost ND filters ideal for OEM integration. Precision polished for demanding research applications. Broadband... [See More]

  • Filter Shape: Circular; Square
  • Application: Infrared; Visible
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 50.8
Dichroic Plate Beamsplitters
from Spectral Optics

Substrate: Material: UV fused silica or BK7. Clear Aperture: larger than 85%. Surface Quality (Scratch-Dig): 10-5 for regular plate windows. 60-40 for super thin plate windows. Surface Flatness: λ/10 @633nm for regular plate windows. λ/10 per mm @633nm for super thin plate windows. [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters; Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4 to 50.8
Colored Glass Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Square
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Color Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25
Colored Glass Filters
from CeNing Optics Co., Ltd.

CeNing Optics provide a variety of colored glass filters covering the UV, visible and near-infrared wavelength regions. These filters serve as bandpass, broadband, or long-wave pass filters. [See More]

  • Filter Shape: Circular; Square; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Color Filters; Bandpass / Interference Filters; Broadband, Long-wave
  • Filter Diameter, Side Length, or Rectangular Length: 5 to 76.2
0.054 OD Absorptive Glass ND Filter 25mmdia x 1.1mmthk -- FNG2588
from Knight Optical (UK) Ltd

Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is... [See More]

  • Filter Shape: Circular
  • Rectangular Width: 0.2000
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Surface Quality: 60-40 Scratch / Dig
Bandpass Interference Filters -- F-NBP005
from Ross Optical Industries

These types of filters are used to pass certain narrow wavelength band with high transmission and block the un-wanted light. The pass band can be very narrow such as 10nm or very wide depending on your specific application. Rejection band are deeply blocked with OD from 3 to 5 or above. Our line of... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 5
1.25" CS BVR Filter Set -- FL-BVR FLTR SET
from Santa Barbara Instrument Group

1.25 " Custom Scientific Research Grade UBVRI photometric filter set - 3 filters in cells [See More]

  • Filter Shape: Circular
  • Filter Set: Filter Set
  • Filter Type: Color Filters
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59902 ET - 442/514nm Laser Dual Band Set
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
DAPI Single Band UV Filter Set
from Rapid Spectral Solutions

The Filter Sets offered at Rapid Spectral Solutions are perfect for several applications within the life science field and beyond. Whatever your needs, Rapid Spectral has the Solution. The DAPI Fluorescence Filter Set is a set of 3 filters - a 365BP* exciter, a 445BP* emitter, and a 405DCLP* mirror. [See More]

  • Filter Shape: Circular; Rectangular
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters; Long Pass Filters
  • Application: Ultraviolet
Cold Light Mirror -- KS 93 / 45°
from Qioptiq

For incidence angles of 45 °. Transmittance of IR light and reflection of visible light. High reflection in the visible range. No absorption of dielectric coating. Heat-resistant up to 300 °C. Thickness 1.1 mm. R ≥ 97 % for 425 - 600 nm. T = 50 % for 685 ± 15 nm. T ≥ 80 % for... [See More]

  • Filter Shape: Circular; Square; Rectangular
  • Application: Infrared
  • Filter Type: Cold Mirrors
  • Filter Diameter, Side Length, or Rectangular Length: 25 to 160
Neutral Density Absorption Type Filters at 450-650 nm
from EKSMA OPTICS

EKSMA OPTICS neutral density (ND) filters attenuate VIS spectral region. The optical density varies from 0.1 to 3.0, 1 or 2 inches size square and roud shapes are available. Neutral density absorption type filters decrease the intensity of light without altering the relative spectral distribution of... [See More]

  • Filter Shape: Circular; Square
  • Application: Visible
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4 to 50.8
Narrow Bandpass Filter
from Changchun Sunday Optics Co., Ltd.

Optical Mirrors are used for beam turning, interferometry, imaging, or illumination.Using polished glass or metal as the substrate, the light beam hits the surface to form mirror reflection.In order to obtain as much reflected light as possible, the substrate is often coated with a reflective... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 2 to 200
Custom Dichroic Edge Filters
from Deposition Sciences, Inc.

Product Overview. Edge filters, also sometimes called dichroic filters, are coatings that include short wave pass and long wave pass filters. Specifically, these coatings transmit one range of wavelengths while blocking others. However, they are distinct from bandpass and notch filters in that they... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Color Filters; Dichroic Filters; Long Pass Filters; Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 100
Bandpass Filters
from Newport Corporation

Our Bandpass Filters pass a narrow spectral band of UV, visible, or NIR radiation and reject out-of-band wavelengths from the X-ray to the far IR. Applications include spectral radiometry, medical diagnostics, chemical analysis, colorimetry, astronomy, and wherever spectral isolation is required. [See More]

  • Filter Shape: Circular; Square
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4 to 50.8
Dielectric Bandpass Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.5 to 25.4
1000nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 1000FCS2500
from Knight Optical (UK) Ltd

Colour Glass filters are useful for selective wavelength absorption and therefore achieve high out of band blocking. Colour glass type Longpass filters have very low transmission in short wavelengths and high transmission in the long wavelengths. These filters are used in range of spectral selection... [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Long Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
50.8mm Baader H-alpha 7nm -- 51828
from Santa Barbara Instrument Group

50.8mm Baader H-alpha filter 7nm unmounted for maximum clear aperture in STL filter wheel [See More]

  • Filter Shape: Circular
  • Filter Type: Color Filters
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59903 ET - 442/532nm Laser Dual Band Set
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
FITC/Texas Red Dualband Filter Set
from Rapid Spectral Solutions

The Filter Sets offered at Rapid Spectral Solutions are perfect for several applications within the life science field and beyond. Whatever your needs, Rapid Spectral has the Solution. The FITC/Texas Red Fluorescence Filter Set is a set of 3 filters - a 480-575DB* exciter, a 525-635DB* emitter, and... [See More]

  • Filter Shape: Circular; Rectangular
  • Filter Set: Filter Set
  • Filter Type: Dualband
Color Filters -- DC
from Qioptiq

Absorption free interference systems. Nearly no-loss, diversion or mixture of basic Colors blue, green and red. For angles of incidence of 45 °. Heat-resistant up to approx. 300 °C. Thickness of all filters: 1.1 mm. Special sizes up to 160 mm x 110 mm on request. [See More]

  • Filter Shape: Circular; Square; Rectangular
  • Application: Visible
  • Filter Type: Color Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25 to 160
Neutral Density Reflective Type Filters at 400-2000 nm
from EKSMA OPTICS

Neutral density (ND) reflective type filters of 1 ’ ’ (25.4 mm) size with optical density that varies from 0.1 to 2.5 are available. Neutral density filters of Corning 7059 glass provide spectrally uniform attenuation from 400 nm to 2000 nm. The reflective coatings enable to reduce... [See More]

  • Filter Shape: Circular
  • Application: Infrared
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
Optical Filter/Short Pass Filter
from Changchun Sunday Optics Co., Ltd.

Zerodul Window with hole, we can achieve flatness <1/10 lambda [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 2 to 200
  • Filter Type: Short Pass Filters
  • Surface Quality: 10-5 Scratch / Dig; 80-50 Scratch / Dig
Custom Notch Filters
from Deposition Sciences, Inc.

Product Overview. Notch filters block a range of wavelengths while transmitting both shorter and longer wavelengths outside of the blocked region. Thus, they provide the exact opposite functionality of a bandpass filter. One of the most common uses of DSI notch filters is in thermal infrared imaging... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Color Filters; Notch Filter
  • Rejection Range: 755 to 845
Circular Linear Variable ND Filters
from Newport Corporation

The circular variable ND filters allow users to precisely attenuate or split the power of a transmitted beam by an arbitrary ratio. The density of this filter varies linearly with rotation angle, making it easy to attenuate or split a beam by a precise amount. Filter OD varies linearly with rotation... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25 to 100
Dielectric Dichroic Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Dichroic Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.15 to 25.4
1000nm Longpass Colour Glass Filter 28mmdia Mounted -- 1000FCS2500-MO
from Knight Optical (UK) Ltd

These colour glass filters are mounted in high quality black anodized rings for easy integration into aesthetic lighting, imaging and cosemetic laser applications. Our extensive filter range includes long pass, short pass and band pass types over a broad range of wavelengths. Our camera filter... [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Long Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
50mm CS H-alpha 10nm AR -- 51431
from Santa Barbara Instrument Group

50mm Custom Scientific H-alpha, 10nm, AR coated unmounted for maximum clear aperture in STL filter wheel [See More]

  • Filter Shape: Circular
  • Filter Type: Color Filters
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59904 ET - 488/561nm Laser Dual Band Set
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
High Speed Bandpass Filters
from Rapid Spectral Solutions

Rapid Spectral Solutions (RSS) has a listing of many bandpass filters with FWHM of 1.0 to 50 nm, with a feature of accepting light from a substantial field of view. Filters can be provided with Acceptance Angles up to +- 50 degrees from normal with little loss of normal performance. Getting them in... [See More]

  • Filter Shape: Circular; Square; Rectangular
  • Application: Infrared; Visible
  • Filter Type: Bandpass / Interference Filters; Fused Silica Encapsulated
  • Filter Diameter, Side Length, or Rectangular Length: 6.25 to 100
Colored Glass Filters
from Newport Corporation

Our colored glass filters serve as broadband, bandpass, or long-wave pass filters. We offer a variety of 41 different Schott and Hoya color glasses covering the UV, visible, and near-infrared wavelength regions. These filters are precision polished for demanding research or OEM applications. There... [See More]

  • Filter Shape: Circular; Square
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Color Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 50.8
Dielectric Hot/Cold Mirrors
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Application: Infrared; Visible
  • Filter Type: Color Filters; Hot Mirrors
  • Filter Diameter, Side Length, or Rectangular Length: 25.4 to 50.8
320nm Bandpass Colour Glass Filter 25mmdia x 3mmthk -- 320FCS2500
from Knight Optical (UK) Ltd

Colour Glass Filters are polished sheets of special glass that have been cast with a dye included in it. Colour Glass Bandpass Filters are generally relatively cheap and very stable. The disadvantage with them is that they are only available in a relatively small number of variants, and so can be... [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59905 ET - 488/594nm Laser Dual Band Set
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
OD 0.7 UV Neutral Density Filter
from Rapid Spectral Solutions

38mm neutral density filters suitable for all general use. 1mm thick. [See More]

  • Filter Shape: Circular
  • Application: Visible; Ultraviolet
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 38
Colored-Glass Alternative Filters
from Newport Corporation

Our Colored-Glass Alternative filters are constructed using optical thin-film coating technology. Using Newport's patented Stabilife ® coating technology, many layers of refractory metal oxide film are deposited under vacuum in a precise sequence, defining the spectral signature of the filters. [See More]

  • Filter Shape: Circular; Square; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters; Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 165
Dielectric Long and Short Pass Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters; Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 50.8
420nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 420FAP2500
from Knight Optical (UK) Ltd

Acrylic colour filters are similar to colour glass filters, achieving their colouration by the use of dyes during the manufacturing process. Acrylic filters are cheaper than glass filters, easier to cut to special sizes and shapes but not quite as robust as glass. However, a rather wider range of... [See More]

  • Filter Shape: Circular
  • Application: Visible; Ultraviolet
  • Filter Type: Long Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59906 ET - 488/640nm Laser Dual Band Set
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
OD 1.0 Absorptive Neutral Density Filter
from Rapid Spectral Solutions

25mm absorptive neutral density filters suitable for all general use. 2mm thick. [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25
Glass Neutral Density Filters and Kits
from Newport Corporation

Made with Inconel ® metallic coatings on glass substrates, these moderately priced ND filters provide uniform attenuation of low and medium power beams across a broad spectral range. Economy neutral density filters. 1 inch diameter fits mirror mounts and filter wheels. Broad 400 to... [See More]

  • Filter Shape: Circular
  • Filter Set: Filter Set
  • Filter Type: Neutral Density Filters
  • Application: Infrared; Visible; Ultraviolet
Flourescence Imaging Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Filter Set: Filter Set
  • Filter Type: Flourescent Imaging Filter Set
  • Application: Visible
465nm Shortpass Colour Glass Filter 25mmdia x 1mmthk -- 464FCS2500
from Knight Optical (UK) Ltd

Colour Glass Filters are polished sheets of special glass that have been cast with a dye. Colour Glass Filters generally are relatively cheap and very stable. The disadvantage with them is that they are only available in a relatively small number of colour variants. Colour Glass filters are useful... [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59907 ET - 532/640nm Laser Dual Band Set
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Single Band Filter Set -- CY5-2
from Rapid Spectral Solutions

The Filter Sets offered at Rapid Spectral Solutions are perfect for several applications within the life science field and beyond. Whatever your needs, Rapid Spectral has the Solution. The CY5-2 Fluorescence Filter Set is a set of 3 filters - a 628BP* exciter, a 665BP* emitter, and a 646DCLP*... [See More]

  • Filter Shape: Circular; Rectangular
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters; Long Pass Filters
Infrared Neutral Density Filters
from Newport Corporation

Made from Germanium material, these filters attenuate IR radiation from 2 to 14 µm. The one-inch diameter filters are coated with a spectrally neutral vacuum deposited metal alloy reflective coating. Attenuate IR radiation from 2 to 14 µm. High damage threshold up to GW/cm2. Precision... [See More]

  • Filter Shape: Circular
  • Application: Infrared
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25 to 25.4
Harmonic Beamsplitters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Harmonic Filter
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 50.8
Bandblocking Dichroic Filter 521nm 12.5mmdia x 1.1mmthk -- 521FDN12
from Knight Optical (UK) Ltd

Knight Optical ’s complete range of cost effective bandblocking dichroic filter sets offer superior transmission, reflection and absorption characteristics. Dichroic band blocking filters are designed to block an isolated bandwidth while transmitting all other wavelengths. While traditional... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Filter Type: Dichroic Filters
  • Rectangular Width: 0.2500
Basic Laser (non-TIRF) Dual-band Filter Sets -- 59908 ET - 488/561 PALM Dual Band Emission Set with 405nm activation
from Chroma Technology Corp.

Our Sputtered Dual Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect two different laser wavelength ranges and consist of dual band transmission dichroics, dual band laser clean-up filters and dual band laser emission filters. [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Single Band Filter Set -- FITC-2
from Rapid Spectral Solutions

The filter sets offered at Rapid Spectral Solutions are perfect for several applications within the life science field and beyond. The FITC-2 Fluorescence Filter Set is a set of 3 filters - a 480BP* exciter, a 535BP* emitter, and a 505DCLP* mirror. They have very low background noise and a high... [See More]

  • Filter Shape: Circular; Rectangular
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters; Long Pass Filters
Laser Line Filters
from Newport Corporation

Laser line filters are ideal for transmitting laser light while suppressing ambient light. The center wavelength shifts linearly with temperature less than 0.02 nm/ °C. The highly reflective side of the filter should generally face the source, minimizing the thermal load on the blocking glass... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 25.4
Hot and Cold Mirrors
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Hot Mirrors; Cold Mirrors
  • Filter Diameter, Side Length, or Rectangular Length: 25.4 to 50.8
Bandpass Dichroic Filter 350nm 12.5mmdia x 1.1mmthk -- 350FDC12
from Knight Optical (UK) Ltd

Knight Optical ’s complete range of cost effective bandpass dichroic filters offer superior transmission, reflection and absorption characteristics. Dichroic bandpass filters are designed to transmit highly over a specific limited bandwidth while reflecting all other wavelengths. Their design... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Rectangular Width: 0.2500
Basic Laser (non-TIRF) Quad-band Filter Sets -- 89901 ET - 405/488/561/640nm Laser Quad Band Set
from Chroma Technology Corp.

Our Sputtered quad band laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect four different laser wavelength ranges and consist of quad band transmission dichroics, quad band laser clean-up filters and quad band laser emission... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Sub-Nanometer Bandpass Filter
from Rapid Spectral Solutions

Rapid Spectral Solutions (RSS) has a listing of many atomic and laser emission line filters with FWHM of less than 1.0 nm. Getting them in your hands in days to weeks rather than months, for the lowest possible cost, is a challenge we thrive on. [See More]

  • Filter Shape: Circular; Square; Rectangular
  • Application: Infrared; Visible
  • Filter Type: Bandpass / Interference Filters; Fused Silica Encapsulated
  • Filter Diameter, Side Length, or Rectangular Length: 6.25 to 100
Short and Long-Wave Pass Filters
from Newport Corporation

These shortpass and longpass filters are made with hard dielectric filter coatings, producing a very steep transition between passband and stopband making them far superior to absorptive colored glass filters. Steep transition slope. High rejection stop band. High transmission pass band. Excellent... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible
  • Filter Type: Long Pass Filters; Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
Longpass Dichroic Mirrors
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 50.8
Cold Mirror 100x65x3.3mmthk -- 700FCQ10065
from Knight Optical (UK) Ltd

Cold mirrors are dielectically coated onto a glass substrate to reflect the visible spectrum of light and transmit the near infra-red, which contains the thermal energy. Deisnged for use at 45 °, cold mirrors are used to control thermal energy entering temperature sensitive systems and are also... [See More]

  • Filter Shape: Circular
  • Rectangular Width: 0.2000
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Thickness: 0.2500
Basic Laser (non-TIRF) Quad-band Filter Sets -- 89902 ET - 405/488/561/647nm Laser Quad Band Set
from Chroma Technology Corp.

Our Sputtered quad band laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect four different laser wavelength ranges and consist of quad band transmission dichroics, quad band laser clean-up filters and quad band laser emission... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Tecan Filter Set for ABS Assay Technology
from Rapid Spectral Solutions

A set of filters for Tecan Infinite F200/200 Pro and Tecan Infinite F500 machines utilizing absorbance (ABS) technology. All filters listed are 12.5mm in diameter. Select your assay from the dropdown below! Can't find what you need, or not sure? Rapid Spectral Solutions specializes in getting you... [See More]

  • Filter Shape: Circular
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
UV Fused Silica Metallic Neutral Density Filters
from Newport Corporation

Our metallic neutral density coatings provide broadband attenuation for lower power applications. The precision polished UV fused silica substrate, the filters may be used anywhere from 350 to 2000 nm. Broadband attenuation from 350-2000 nm. Metallic neutral density coating. Low wavefront... [See More]

  • Filter Shape: Circular; Square
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4 to 50.8
Neutral Density Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Circular Variable Filters; Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 100
Dichroic Colour Correction CTB Filter 3200K to 3600K 12.5mmdia x 1.1mmthk -- 003FCC12
from Knight Optical (UK) Ltd

Knight Optical ’s range of dichroic colour correction filters offer pure, true to life colour temperature adjustment for entertainment and photography. Colour correction filters are typically used in mixed lighting applications where an object illuminated by more than one light source would... [See More]

  • Filter Shape: Circular
  • Application: Visible
  • Filter Type: Dichroic Filters
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
Basic Laser (non-TIRF) Single-band Filter Sets -- 49901 ET - 405nm Laser Bandpass Set for EBFP2, TagBFP, Pacific Blue
from Chroma Technology Corp.

Our Sputtered Single Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect a single wavelength range and consist of longpass transmission dichroics, laser clean-up filters and laser emission filters. In addition, all laser sets... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Shortpass Dichroic Mirrors
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular; Rectangular
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.7 to 50.8
Hot Mirror 100x100x3.3mmthk -- 730FHQ100100
from Knight Optical (UK) Ltd

At 0 ° incidence hot mirrors transmit the visible and reflect the near infra-red (heat) spectrum typically found in tungsten light sources. Hot mirrors therefore remove much of the energy that can cause heating in a lighting system. Hot mirrors can be used as an alternative to KG1 filters where... [See More]

  • Filter Shape: Circular
  • Rectangular Width: 0.2000
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Thickness: 0.2500
Basic Laser (non-TIRF) Single-band Filter Sets -- 49902 ET - 440nm Laser Bandpass Set for ECFP, Cerulean
from Chroma Technology Corp.

Our Sputtered Single Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect a single wavelength range and consist of longpass transmission dichroics, laser clean-up filters and laser emission filters. In addition, all laser sets... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Spatial Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Filter Shape: Circular
  • Application: Infrared; Visible
  • Filter Type: Spatial Filters
  • Filter Diameter, Side Length, or Rectangular Length: 0.0250 to 2
Longpass Dichroic Filter 420nm 12.5mmdia x 1.1mmthk -- 420FDL12
from Knight Optical (UK) Ltd

Knight Optical ’s complete range of cost effective longpass dichroic filters offer superior transmission, reflection and absorption characteristics. Longpass filters are designed to transmit wavelengths higher than the cut on point and reflect all lower wavelengths. These dichroic longpass... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Filter Type: Dichroic Filters; Long Pass Filters
  • Rectangular Width: 0.2500
Basic Laser (non-TIRF) Single-band Filter Sets -- 49903 ET - 440nm Laser Bandpass Set for TFP (Teal FP)
from Chroma Technology Corp.

Our Sputtered Single Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect a single wavelength range and consist of longpass transmission dichroics, laser clean-up filters and laser emission filters. In addition, all laser sets... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
NIR Bandpass Filter 740nm CWL 50nm BW 25mmdia Mounted in HLF2500 -- 740FIA25-MO1
from Knight Optical (UK) Ltd

Knight Optical offers these carefully designed NIR bandpass filters for use in ANPR/ALPR camera applications. Designed specifically to work at maximum efficiency transmitting over 90% at the commonly used LED wavelengths of 740nm, 850nm 870nm or 940nm. Our filters have a “hard dielectric... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 0.1000
Basic Laser (non-TIRF) Single-band Filter Sets -- 49904 ET - 488nm Laser Bandpass Set for EGFP, AlexaFluor488, FITC, Fluo3
from Chroma Technology Corp.

Our Sputtered Single Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect a single wavelength range and consist of longpass transmission dichroics, laser clean-up filters and laser emission filters. In addition, all laser sets... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Shortpass Dichroic Filter 414nm 12.5mmdia x 1.1mmthk -- 414FDS12
from Knight Optical (UK) Ltd

Knight Optical ’s complete range of cost effective shortpass dichroic filters offer superior transmission, reflection and absorption characteristics. Shortpass filters are designed to transmit wavelengths lower than the cut off point and reflect all higher wavelengths. Knight Optical's... [See More]

  • Filter Shape: Circular
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Filter Type: Dichroic Filters; Short Pass Filters
  • Rectangular Width: 0.2500
Basic Laser (non-TIRF) Single-band Filter Sets -- 49905 ET - 514nm Laser Bandpass Set for EYFP, Venus, Citrine, Fluo3
from Chroma Technology Corp.

Our Sputtered Single Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect a single wavelength range and consist of longpass transmission dichroics, laser clean-up filters and laser emission filters. In addition, all laser sets... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
UV Bandpass Filter 222nm CWL 13nm BW 25mmdia Unmounted -- 222FIA25
from Knight Optical (UK) Ltd

Our mounted range UV interference filters are used to isolate and transmit a specified narrow wavelength and reflect all other incident wavelengths in the ultra-violet and visible spectrum. These high-quality ultraviolet interference bandpass filters are available from 214nm-320nm in various... [See More]

  • Filter Shape: Circular
  • Thickness: 2
  • Filter Type: Bandpass / Interference Filters
  • Rejection Range: 200 to 1200
Basic Laser (non-TIRF) Single-band Filter Sets -- 49906 ET - 514nm Laser Bandpass Set for mKO, mOrange2
from Chroma Technology Corp.

Our Sputtered Single Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect a single wavelength range and consist of longpass transmission dichroics, laser clean-up filters and laser emission filters. In addition, all laser sets... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible
Basic Laser (non-TIRF) Single-band Filter Sets -- 49907 ET - 532nm Laser Bandpass Set for mKO, mOrange2
from Chroma Technology Corp.

Our Sputtered Single Band Laser filter sets employ the same high-transmission, high-durability coatings as our other ET sets. These sets reflect a single wavelength range and consist of longpass transmission dichroics, laser clean-up filters and laser emission filters. In addition, all laser sets... [See More]

  • Filter Shape: Circular; Rectangular (optional feature)
  • Filter Set: Filter Set
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters
  • Application: Visible