80-50 Scratch / Dig Optical Filters

33 Results
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Filter Shape: Circular
  • Filter Type: Bandpass / Interference Filters; Dichroic Filters; Long Pass Filters; Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 10 to 25.4
1000nm CWL, 25.0nm Bandwidth, 25.0 mm Diameter, Hard-Coated Narrowband Filter
from Andover Corporation

Our first-surface, hard-coat narrowband filters employ magnetron sputtered, hard-oxide coatings deposited on Borosilicate Glass and do not utilize any absorbing filter glasses, making them suitable for high-temperature applications. They provide a steep transition from a high, peak transmission to... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Filter Diameter, Side Length, or Rectangular Length: 25
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 5
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]

  • Surface Quality: 20-10 Scratch / Dig; 80-50 Scratch / Dig
  • Filter Shape: Circular; Square (optional feature); Rectangular (optional feature)
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 10 to 25.4
193nm Optical Bandpass Filter, FWHM 15nm, 50mm dia., first-surface coated.
from Andover Corporation

Andover offers a first-surface variant of its standard UV optical bandpass filter. The coatings are deposited on a single surface of a UV-Grade Fused Silica or UV Filter Glass substrate and include a hard-oxide overcoat for protection. All coatings on a single external surface. Sealed with a... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Filter Diameter, Side Length, or Rectangular Length: 50
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 1.5
Neutral Grey Colored Ultraviolet Glass
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Application: Visible
  • Filter Type: Neutral Density Filters
  • Thickness: 0.5000 to 2
Blue Additive Dichroic Filter, 25mm diameter
from Andover Corporation

Dichroic filters (color separation filters) are used in a variety of applications where it is necessary to isolate certain regions of the visible spectrum. A few of the more common applications are for use in color enlargers and photocopiers as light balancing filters. They are also very useful in... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Filter Diameter, Side Length, or Rectangular Length: 25
  • Filter Type: Dichroic Filters
  • Thickness: 1
Cust Fltr CWL Range 1100-1300nm/HBW10nm/12.5mmDia
from Andover Corporation

In order to make it simple for customers to custom-tailor an optical bandpass filter for their application, Andover offers a line of Semi-Custom bandpass filters. Their construction is similar to both the Standard Bandpass and High-Transmitting bandpass filter offerings. We offer a wide selection of... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Application: Infrared
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
Custom 540nm Optical Bandpass Filter, FWHM 80nm, 30.0mm dia.
from Andover Corporation

UV - VIS - NIR. Andover maintains a stock of high-quality surplus optical bandpass filters. These are primarily overruns of custom production lots, and exhibit the same high level of quality as all of our other products. Consequently, this can be a very economical alternative to purchasing a custom... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Application: Infrared
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 30
Custom IR ND Filter, OD=0.3, with A/R 25mm diameter 5200 - 7000nmImaging IR ND
from Andover Corporation

Metallic-coated infrared neutral density filters (IR ND filters) obtain their optical density from a metal alloy coating on a substrate determined by the wavelength region of interest. Unlike the all-dielectric or absorption type, the metallic type ND filter employs a combination of absorption and... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Application: Infrared
  • Filter Type: Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25
Custom IR Optical Bandpass filter CWL3950nm/HBW 150nm /12.5mm¯
from Andover Corporation

Andover maintains a stock of high-quality surplus IR optical bandpass filters. These are primarily overruns of custom production lots, and exhibit the same high level of quality as all of our other products. Consequently, this can be a very economical alternative to purchasing a custom IR optical... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 1
Hard Coat Optical Optical Bandpass Filter CWL 345.0nm/HBW 80.0nm/12.5mm dia.
from Andover Corporation

Our first-surface, hard-coat broadband filters employ magnetron sputtered, hard-oxide coatings deposited on Borosilicate Glass and do not utilize any absorbing filter glasses, making them suitable for high-temperature applications. They provide a steep transition from a high, peak transmission to... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
  • Filter Type: Bandpass / Interference Filters
  • Thickness: 3.1
Imaging Absorbing ND Filter, OD=0.1, 25mm diameter
from Andover Corporation

With their ability to minimize back-reflections and scattered light, absorptive neutral density (ND) filters are ideal for calibration. In contrast to the metallic type, absorption-type filters achieve their optical density by absorbing light within the substrate. For this reason, thickness is a key... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Filter Diameter, Side Length, or Rectangular Length: 25
  • Filter Type: Neutral Density Filters
  • Thickness: 4.95
Long Pass Filter - 3700nm/50mm dia.
from Andover Corporation

Andover maintains a stock of high-quality surplus IR edge filters. These are primarily overruns of custom production lots, and exhibit the same high level of quality as all of our other products. Consequently, this can be a very economical alternative to purchasing a custom IR edge filter. All of... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Thickness: 1
  • Filter Diameter, Side Length, or Rectangular Length: 50
Long Pass Filters 1050nm/LWP/12.5mm dia.
from Andover Corporation

Long wave pass filters are often used for order sorting, they isolate broad regions of the spectrum, simultaneously providing high transmission of desired energy, and deep rejection of unwanted energy. Constructed of hard, durable first-surface dielectric coatings on optical-quality IR-transmitting... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Application: Infrared
  • Filter Type: Long Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
Standard Optical Optical Bandpass Filter CWL 10000nm/HBW 4000nm/25mm dia.
from Andover Corporation

In the infrared region of the spectrum, bandpass filters are frequently used for gas analysis applications. Andover offers a standard selection of gas analysis filters at popular wavelengths. We can also produce custom filters at wavelengths up to 14 µm. Constructed of durable first-surface... [See More]

  • Surface Quality: 80-50 Scratch / Dig; 80/50
  • Application: Infrared
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25
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]

  • Surface Quality: 60-40 Scratch / Dig; 80-50 Scratch / Dig
  • Application: Infrared; Visible
  • Filter Type: Bandpass / Interference Filters; Long Pass Filters; Short Pass Filters
  • Filter Shape: Circular; Square
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]

  • Surface Quality: 60-40 Scratch / Dig; 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Shape: Circular; Rectangular
Optical Glass Neutral Density Filters
from UNI OPTICS(Fujian) Co., Ltd

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. [See More]

  • Surface Quality: 80-50 Scratch / Dig
  • Filter Shape: Rectangular
  • Filter Type: Neutral Density 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]

  • Surface Quality: 10-5 Scratch / Dig; 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters
  • Filter Shape: Circular
1000nm Standard Interference Bandpass Filter 12.5mmdia x 15nmBW -- 1000FIB12
from Knight Optical (UK) Ltd

These interference band-pass filters are used to isolate and transmit a specified narrow wavelength and reflect all other incident wavelengths. Knight Optical's stock range of high quality standard bandwidth visible type interference filters is available from 330nm-2000nm in various bandwidths to... [See More]

  • Surface Quality: 80-50 Scratch / Dig
  • Thickness: 6.1
  • Filter Type: Bandpass / Interference Filters
  • Rejection Range: 200 to 1150
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Shape: Circular
1000nm CWL, 10nm Bandwidth, 12.5mm Mounted Diameter -- NT65-768
from Edmund Optics Inc.

Available in UV, Visible, and IR Center Wavelengths. 10 80nm Bandwidths Available. Ideal for Biomedical Applications and Instrumentation Integration. 193-399nm, 400-499nm, 500-599nm, 600-699nm, 700-999nm, and 1000-1650nm CWL Options Available. TECHSPEC Traditional Coated Bandpass Interference... [See More]

  • Surface Quality: 80-50 Scratch / Dig
  • Filter Shape: Circular
  • Filter Type: Bandpass / Interference Filters; Neutral Density Filters
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
Custom Neutral Density Filters
from Rapid Spectral Solutions

Neutral density filters available in a wide range of optical densities and sizes. These filters are suitable for all general use. [See More]

  • Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig; 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Neutral Density Filters
  • Filter Shape: Circular; Square; Rectangular
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Shape: Circular; Square
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Application: Visible
  • Filter Type: Dichroic Filters
  • Filter Shape: Circular
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]

  • Surface Quality: 10-5 Scratch / Dig; 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Shape: Circular
214nm UV Interference Bandpass Filter 12.5mmdia x 10nmBW -- 214FIB12
from Knight Optical (UK) Ltd

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

  • Surface Quality: 80-50 Scratch / Dig
  • Thickness: 6.1
  • Filter Type: Bandpass / Interference Filters
  • Rejection Range: 200 to 3000
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters; Short Pass Filters
  • Filter Shape: Circular; Square; Rectangular
Optical Filter/Short Pass Filter
from Changchun Sunday Optics Co., Ltd.

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

  • Surface Quality: 10-5 Scratch / Dig; 80-50 Scratch / Dig
  • Filter Shape: Circular
  • Filter Type: Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 2 to 200
405nm Narrowband Interference Bandpass Filter 25mmdia x 3nmBW -- 405FIN25
from Knight Optical (UK) Ltd

This range of interference band-pass filters are used to isolate and transmit a specified narrow wavelength and reflect all other incident wavelengths in the spectrum. Typically, our filters are 3-7 cavity and in most cases blocking is metal dielectric from 200nm to FIR (3000+nm) at OD4. We can also... [See More]

  • Surface Quality: 80-50 Scratch / Dig
  • Thickness: 6.1
  • Filter Type: Bandpass / Interference Filters
  • Rejection Range: 200 to 1150
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Shape: Circular
450nm Broadband Interference Bandpass Filter 12.5mmdia x 40nmBW -- 450DIR12
from Knight Optical (UK) Ltd

Knight Optical's broadband and extra broadband range of interference band-pass filters are used to isolate and transmit a specified narrow wavelength and reflect all other incident wavelengths. Our stock range of high quality visible and NIR filters is available from 400nm - 940nm in various... [See More]

  • Surface Quality: 80-50 Scratch / Dig
  • Thickness: 6.1
  • Filter Type: Bandpass / Interference Filters
  • Rejection Range: 200 to 1150
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]

  • Surface Quality: 80-50 Scratch / Dig
  • Application: Infrared; Visible
  • Filter Type: Long Pass Filters; Short Pass Filters
  • Filter Shape: Circular