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Supplier: Materion Corporation
Description: Materion Barr Precision Optics & Thin Film Coatings offers bandpass filters with bandwidth at Full Width Half Maximum (FWHM) selectable from Wideband to Ultra-Narrowband, manufactured to customer requirements. Where the requirement is for bandpass filters with Ultra-Narrow
- Filter Shape: Circular, Square, Rectangular
- Filter Type: Bandpass / Interference Filters
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Supplier: Electro Optical Components, Inc.
Description: Narrow bandpass filters are designed to isolate a narrow region of the infrared spectrum. This is accomplished using a complex process of constructive and destructive interference. Narrow band pass filters have bandwidths (measured at half-peak transmittance
- Application Specific: Infrared (IR)
- Diameter, Square Side, or Rectangular Length: 5 to 100 mm
- Filter Type: Bandpass / Interference Filters
- Rejection Range: 400 to 5500 nm
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Supplier: Networks International Corporation
Description: LC Designs - DC to 6000 MHz- Crystal Bandpass Designs - DC to 250 MHz - Low Passband Loss, High Notch Rejection- Military, Space, Commercial Applications- Custom Designs AvailableNIC manufactures both Crystal and LC Notch or Band Reject filters for Military, Space and Commercial
- Filter Type: Band Reject
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Supplier: Networks International Corporation
Description: Type: Bandpass Center Frequency: 6000.000 (MHz) Mount: SMA NIC manufactures both Crystal and LC Notch or Band Reject filters for Military, Space and Commercial applications. These filters are designed to meet very narrow or wide passband or stopband requirements.
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Supplier: ECOPTIK (CHANGCHUN) LTD
Description: Based on the technique of all-dielectric hard coating and the principle of dielectric interference, and based on the characteristics of narrow-band filters, the optical properties are independent of the substrate. The narrow-band filter produced by BRD Optical is more
- Diameter, Square Side, or Rectangular Length: 3 to 200 mm
- Filter Surface Quality: 20-10 Scratch / Dig, 40-20 Scratch / Dig
- Filter Type: Bandpass / Interference Filters, Other
- Thickness: 0.5000 to 5 mm
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Supplier: Shanghai Optics
Description: -cut-off wavelengths can’t approach to zero, then they are determined by the transmissivity of the certain wavelength. Band-Pass Filter Glass is named DTB, and wavelength of the peak is used as its serial number.
- Filter Type: Bandpass / Interference Filters
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Supplier: Anatech Electronics, Inc.
Description: 123.5 MHz Narrow Bandpass Filter
- Bandwidth: 1000 kHz
- Connector Type: Type N, Other
- Frequency (Fc): 124 MHz
- Insertion Loss: 3.5 dB
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Supplier: Anatech Electronics, Inc.
Description: 120.5 MHz Narrow Bandpass Filter
- Bandwidth: 1000 kHz
- Connector Type: Type N, Other
- Frequency (Fc): 120 MHz
- Insertion Loss: 3.5 dB
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Supplier: Deposition Sciences, Inc.
Description: 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
- Application Specific: Infrared (IR), Visible (VIS), Ultra-Violet (UV)
- Filter Shape: Circular, Square
- Filter Type: Bandpass / Interference Filters, Color Filters
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Supplier: Anatech Electronics, Inc.
Description: 123.5 MHz Narrow Bandpass Filter
- Bandwidth: 1000 kHz
- Connector Type: BNC, Other
- Frequency (Fc): 124 MHz
- Insertion Loss: 3.5 dB
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Supplier: Alluxa, Inc.
Description: Ultra-narrowband optical interference filter with a 630.3 nm center wavelength (CWL), a 2 nm full-width at half-maximum (FWHM), and wide-range OD4 out-of-band blocking from 300 nm to 1200 nm. This is a multi-cavity filter with transmission that is greater than 90% at 630.3 nm.
- Diameter, Square Side, or Rectangular Length: 50 mm
- Filter Shape: Circular
- Filter Type: Bandpass / Interference Filters
- Thickness: 2 mm
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Supplier: Alluxa, Inc.
Description: Ultra-narrowband optical interference filter with a 530.2 nm center wavelength (CWL), a 2 nm full-width at half-maximum (FWHM), and wide-range out-of-band blocking from 350 nm to 1080 nm. This is a multi-cavity filter with exceptionally steep edges, a flat top, and transmission
- Diameter, Square Side, or Rectangular Length: 25 mm
- Filter Shape: Circular
- Filter Type: Bandpass / Interference Filters
- Thickness: 2 mm
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Supplier: Alluxa, Inc.
Description: Narrowband optical interference filter with a 1065 nm center wavelength (CWL), a 3 nm full-width at half-maximum (FWHM), and wide-range OD4 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
- Diameter, Square Side, or Rectangular Length: 30 mm
- Filter Shape: Circular
- Filter Type: Bandpass / Interference Filters
- Thickness: 2 mm
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Supplier: Alluxa, Inc.
Description: Ultra-narrowband optical interference filter with a 780.2 nm center wavelength (CWL), a 1 nm full-width at half-maximum (FWHM), and wide-range OD6 out-of-band blocking from 500 nm to 1000 nm. This is a multi-cavity filter with transmission that is greater than 90% at 780.2 nm.
- Diameter, Square Side, or Rectangular Length: 25.3 mm
- Filter Shape: Circular
- Filter Type: Bandpass / Interference Filters
- Thickness: 2 mm
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Supplier: Richardson RFPD
Description: Pin mounted, silver (Ag) coated ceramicfilter. Developed for use in TCASapplications. Weight: 21 grams typical Material: Filter is composed of a ceramicblock plated with Ag and a bracketconsisting of Olin 770 Copper Alloy (Cu,Zn, Ni) Filter Complies with RoHS Standards Features Low
- Bandwidth: 6000 kHz
- Frequency (Fc): 1060 MHz
- Insertion Loss: 0.7000 dB
- Package Type: Other
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Supplier: Chroma Technology Corp.
Description: Chroma’s 49000 series of single band sets features our highest throughput sputter coatings (ET) which achieve the highest transmission levels for interference filters. These filters have very steep transitions from peak transmission to high optical density to best exploit the
- Application Specific: Visible (VIS)
- Diameter, Square Side, or Rectangular Length: 25 mm
- Filter Set: Yes
- Filter Shape: Circular, Rectangular
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Description: The interference filter can transmit light in a very narrow or clearly defined transmission band, or reflect the desired wavelength region. Light outside this area will be blocked. Filters are used in many optical instruments, such as spectrometers and monochromators. The
- Type: Specialty / Other
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Supplier: Fairview Microwave Inc.
Description: SBRF-0250-0500-01-N tunable band reject filter (also called a band-stop filter or notch filter in narrow stopband) from Fairview Microwave is just part of a wide selection of coaxial RF filter products supplied. Our RF tunable band reject
- Connector Type: Type N
- Filter Type: Band Reject
- Frequency (Fc): 250 to 500 MHz
- VSWR: 1.5 :1
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Supplier: Abrisa Technologies
Description: Notch filters block a relatively narrow band of wavelengths between shorter and longer pass bands. This example narrow band minus filter has a nominal bandwidth of 110nm with an average reflection of more than 99% over a nominal bandwidth of 30-40 nm.
- Filter Type: Bandpass / Interference Filters
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Supplier: Argyle International, Inc.
Description: Filter designs include-- Colored glass High and low pass coatings Band pass, either wide or narrow Hot and cold mirrors Polarizing Custom designs and coating specifications are always possible. Contact Argyle for further information
- Filter Shape: Circular, Square, Rectangular
- Filter Surface Quality: 10-5 Scratch / Dig
- Filter Type: Bandpass / Interference Filters, Cold Mirrors, Color Filters, Hot Mirrors, Long Pass Filters, Short Pass Filters
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Supplier: Shanghai Optics
Description: Dichroic Filters for Every Application A dichroic filter is thin optical filter crafted to transmit light in only one narrowly defined wavelength band, while reflecting all other wavelengths. These optical filters are also known as thin-film or interference
- Filter Type: Short Pass Filters, Long Pass Filters
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: typically have narrow bandwidths of 2 – 5nm for demanding laser applications. Fluorescence Filters, which have been designed to maximize the energy of the excitation and emission bands, typically have broad bandwidths of 20 – 70nm. Yutai Optics’ 10nm filters are ideal for
- Filter Surface Quality: 60-40 Scratch / Dig, 80-50 Scratch / Dig
- Filter Type: Bandpass / Interference Filters
- Substrate Material: BK7 Glass, Fused Silica
- Thickness: 0.5000 to 6 mm
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Supplier: QuinStar Technology, Inc.
Description: frequency and the pass band, and the amount of rejection required. Very large rejection (attenuation) can be achieved over a relatively narrow frequency range to allow a high power signal (or interference signals) to be virtually eliminated from the band. These filters
- Component Type: Waveguide Filters
- Operating Frequency Range: 18 to 185 GHz
- Waveguide Cross Section: Rectangular
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Supplier: Knowles Precision Devices
Description: o 0.8 x 0.2 x 0.03 inch for 10 GHz filter LO/Multiplier chains/RF pre-select/image filtering Low loss in passband: 2-4 dB typical Devices scalable from C to Ku band Bandwidth 1 to 5% Narrow footprints are great for switch filter banks
- Frequency (Fc): 6000 to 67000 MHz
- Insertion Loss: 2 to 4 dB
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Supplier: Qorvo
Description: The QPQ0978 is a 978 MHz Band Pass Filter for use in Air Traffic Control applications. Designed to offer narrow-band signal control with low insertion loss at center frequency and high selectivity with neighboring frequencies, this BAW filter also has excellent power
- Bandwidth: 1600 kHz
- Frequency (Fc): 978 MHz
- Insertion Loss: 3.5 dB
- Package Type: Other
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Supplier: Merrimac Industries, Inc.
Description: narrow as 1%. The filters do not need to be tuned, which eliminates the filter-tuning step in production test, along with the external tuning circuits or tuning screws required by conventional designs.
- Bandwidth: 20000 kHz
- Frequency (Fc): 1443 MHz
- Insertion Loss: 3.4 dB
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Supplier: Acromag, Inc.
Description: modules are ideal to isolate, filter, convert and amplify a wide variety of signal types for test, measurement and control systems. Just plug uB modules into 4, 8, or 16-channel back panels in any mix for a high-density analog I/O interface. Channel-to-channel isolation provides optimal noise
- Analog Input Channels: 1 #
- Application: General Lab and Industrial
- Form Factor: Modular Bay / Slot System
- Operating Temperature: -40 to 176 F
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Supplier: SAE International
Description: research discussed in this paper used feedback control technology as the basis for the development of an active noise control technology able to simultaneously reduce noise in multiple narrow-frequency bands. Methods of connecting multiple single-frequency adaptive notch
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Supplier: ASTM International
Description: 1.1 This test method covers the calibration of ultraviolet light-measuring radiometers possessing either narrow- or broad-band spectral response distributions using either a scanning or a linear-diode-array spectroradiometer as the primary reference instrument. For transfer of
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Supplier: ValueTronics International, Inc.
Description: Band Reject Filters are 0.1% reject bandwidth, stub tuned 3 section Tchebychev filters. Extremely narrow bandwidths and broad passbands make these filters excellent for EMC testing, harmonic and spurious signal evaluation, and noise figure measurement. Buss Tuned
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Supplier: Abrisa Technologies
Description: designs are available for the UV, Visible, and IR bands and for a variety of optical density values. A similar optically significant case involves surfaces for which reflectance and transmittance are required to both be minimized over a narrow or broadband spectrum. This type of
- Diameter, Square Side, or Rectangular Length: 27 mm
- Filter Shape: Circular
- Neutral Density Filter Type: Absorptive
- Substrate Material: Other
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Supplier: ValueTronics International, Inc.
Description: center frequency The Krohn-Hite 3800 Tracking Filter is a very narrow-band tracking filter with the unique ability to track without a reference signal. It can lock on and track an input signal buried 10 dB below the noise level. It has been designed with an AGC system to provide
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Supplier: Ross Optical Industries
Description: 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
- Diameter, Square Side, or Rectangular Length: 3 mm
- Filter Shape: Circular
- Filter Surface Quality: 80-50 Scratch / Dig
- Filter Type: Bandpass / Interference Filters
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Description: permeability is in excess of 10 cm3 . (min-1 . cm-2) at 1 kPa. In addition, it is applicable to banded cigarette papers, with bands no narrower than 4 mm.
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-maximum (FWHM), and wide-range OD6 out-of-band blocking from 800 nm to 1800 nm. This is a multi-cavity filter with transmission that is greater than 90% at 1064.4 nm. This unmounted ultra-narrowband filter is coated on a 2 mm thick N-BK7 substrate and is 37.5 mm (± 0.1 mm) in diameter. Alluxa ultra-narrow (read more)
Browse Optical Bandpass Filters Datasheets for Alluxa, Inc. -
Precision Infrared Narrow Bandpass and Dual Bandpass Filters Featuring Low OH-Band Absorption Alluxa’s new precision (read more)
Browse Datasheets for Alluxa, Inc. -
Specifications of bandpass filters Commonly used specifications for bandpass filters include peak transmission, center wavelength, full-width half-maximum, cut-on and cut-off wavelengths, pass band ripple, edge steepness and blocking (read more)
Browse Optical Filters Datasheets for Avantier Inc. -
Laser Line filters typically have narrow bandwidths of 2 – 5nm for demanding laser applications. Fluorescence Filters, which have been designed to maximize the energy of the excitation and emission bands, typically have broad bandwidths of 20 – 70nm. Yutai (read more)
Browse Optical Filters Datasheets for Changchun Yutai Optics Co., Ltd. -
transmission and low ripple that capture the emission peaks of each fluorophore. Emission filters must also be designed with very steep edges and relatively narrow bandwidths in order to block as much of the overlap between fluorophore emission as possible. Wide-range out-of-band blocking should (read more)
Browse Optical Filters Datasheets for Alluxa, Inc. -
components, we perform special life testing, sectioning, and additional electrical measurements to meet space standards. Our space-qualified RF Filters are commonly characterized by: Surface mount packaging Narrow and broad bandwidths Low loss (read more)
Browse RF Filters and Microwave Filters Datasheets for Knowles Precision Devices -
Alluxa’s novel H-alpha filters are revolutionizing the ultra-narrow optical filters market. Alluxa, Inc., a (read more)
Browse Optical Filters Datasheets for Alluxa, Inc. -
Laser optics include lenses, filters, mirrors, and beamsplitters. - Substrates: BK7, H-K9L, Sapphire, fused silica, CaF2, MgF2, ZnSe, ZnS, GaAs, Ge, Si. - Dielectric coatings improve mirror reflectivity. - Careful selection of substrates and coatings for optical performance. - Narrow band transmission/reflectance important for most laser applications. - Ultrashort pulse lasers require broad transmission ranges. (read more)
Browse Optical Mirrors Datasheets for Avantier Inc. -
of the signal as it enters the filter), resulting in signal loss in the pass band, the spectral range over which the filter has high transmittance. We use a computer-controlled variation on the turning point (read more)
Browse Optical Filters Datasheets for Alluxa, Inc. -
transmission and low ripple that capture the emission peaks of each fluorophore. Emission filters must also be designed with very steep edges and relatively narrow bandwidths in order to block as much of the overlap between fluorophore emission as possible. Wide-range out-of-band blocking should (read more)
Browse Optical Filters Datasheets for Alluxa, Inc.
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Optical Narrow-band Filter
The so-called narrow-band filter is subdivided from the band-pass filter and has the same definition as the band-pass filter, that is, the filter allows the light signal to pass through in a specific band, and deviates from this band. The optical signals on both sides are blocked, and the passband
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Precision Infrared Narrow Bandpass and Dual Bandpass Filters Featuring Low OH-Band Absorption
Alluxa's new precision infrared bandpass and dual bandpass filter technology brings new levels of performance with higher transmissions, steeper slopes, and flatter pass bands than traditional evaporated coatings.
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An Introduction to Optical Coatings
Optical coatings are used to manipulate the reflectance and transmittance of an optical component. Typical coating examples include: Antireflection Coatings which reduce the amount of light reflected at a given wavelength or wavelength range; Narrow Band Filters which allow only a given window
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The PRIMA fringe sensor unit
-angle astrometry. It is installed at the Very Large Telescope Interferometer (VLTI) and successfully served the fringe-tracking loop during the initial commissioning phase. Aims. To maximise sensitivity, speed, and robustness, the FSU is designed to operate in the infrared K-band and to include spatial filtering
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A contribution to the selection of emission-line galaxies using
narrow-band filters in the optical airglow windows
The working temperature, usually lower than the room temperature, pro- duces a blue shift of the transmittance of the narrow band filters .
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Digital Signal Processing with Field Programmable Gate Arrays
251 4.5.2 Cascade Second Order Systems Narrow Band Filter Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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The Lyman-alpha Emission Line as a Cosmological Tool
A total of 16 dithered exposures were obtained over the two nights for a combined exposure time of 30 ksec, all with the narrow band filter OIII/3000+51 and using the standard resolution collimator (0.2×0.2 arcsec2 pixels).
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The Current Trends of Optics and Photonics
Figure 1.10 shows the comparison of designed and fabricated 5-caity narrow band filter for DWDM.
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On-sky characterisation of the VISTA NB118 narrow-band filters at 1.19
micron
We have designed and had installed a set of 16 narrow band fil- ters centred near 1.19 µm in the ESO/VISTA instrument VIR- CAM.
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J-PAS: The Javalambre-Physics of the Accelerated Universe Astrophysical
Survey
For J-PAS in particular, its narrow band filters will allow for the study of correlations between SNe spectral features and broadband properties like light-curve width and color.
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Imaging the Universe in Three Dimensions: Astrophysics with Advanced Multi-Wavelength Imaging Devices
NGC4945 was observed with NICMOS both with broad and narrow band filters (Marconi et al., in prep.).
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A Simple Nanometeric Plasmonic Narrow-Band Filter Structure Based on Metal–Insulator–Metal Waveguide
Although the design principles for the plasmonic cavity and a microwave slot resonator are similar, the main difference is that light wave in the proposed MIM narrow band filter is a TM SPP mode with the peak fields located at the two …
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Machine Vision Handbook
(b) With a narrow band filter in the optical path.
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Handbook of Optics: Volume IV - Optical Properties of Materials, Nonlinear Optics, Quantum Optics, Third Edition > OPTICAL PROPERTIES OF FILMS AND COATINGS
Performance of an electrically tunable narrow band filter with a lithium niobate spacer.