Optical Filters

Optical Filters

SWIR Longpass Filters optimize InGaAs camera image quality.

Available with 700 or 850 nm cut-on wavelengths, TECHSPEC® SWIR Longpass Filters allow short-wave infrared wavelengths to pass through, while blocking all visible light. Units come in 12.5, 25, and 50 mm diameters as well as 50 x 50 mm size. Filters optimize image quality of InGaAs cameras in variety of industrial machine vision, defense, and solar cell inspection applications. When used as...

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Optical Filter Assemblies can employ space-qualified adhesives.
Optical Filters

Optical Filter Assemblies can employ space-qualified adhesives.

Combining individually coated multispectral filter substrates into array assembly, Multispectral Optical Filter Assemblies range from 2- to 8-filter stacks, or more. Assemblies may be customized using variety of substrate sizes, and DSI can incorporate stops and apertures on part surface by utilizing advanced patterned coating technology. MOFAs are used in linear and planar-array CMOS detectors,...

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Optical Filter Assemblies offer multispectral capabilities.
Optical Filters

Optical Filter Assemblies offer multispectral capabilities.

Ranging from 2- to 8-filter stacks or more, Multispectral Optical Filter Assemblies (MOFAs) consist of individually coated multispectral filter substrates in array assembly. MOFAs can also employ variety of adhesives, including space-qualified adhesives, and customized using range of substrate sizes. Assemblies can also incorporate stops and apertures on part surface by utilizing advanced...

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Shortpass/Longpass Filter Kits are suited for lab Integration.
Optical Filters

Shortpass/Longpass Filter Kits are suited for lab Integration.

TECHSPEC® OD 4 High Performance Shortpass and Longpass Filter Kits provide precision cut-on and cut-off wavelengths for maximum transmission over active range of target spectrum while attenuating unwanted wavelengths. Suited for prototyping, research and development, and laboratory use, kits each contain either OD 4 Shortpass Filters or OD 4 Longpass Filters in various configurations. Basic...

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IR Bandpass Filters minimize fluctuation in CWL.
Optical Filters

IR Bandpass Filters minimize fluctuation in CWL.

Intended for critical applications that require minimal fluctuation in center wavelength, Low Temperature Shift Infrared Bandpass Filters suit environments where it is impractical to actively heat or cool to maintain temperature stability, such as instruments used for anesthesia monitoring, gas-sensing, and chemical analysis. Filter characteristics, such as bandwidth, center wavelength, slopes,...

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Precision Optical Filters detect minute Raman shifts.
Optical Filters

Precision Optical Filters detect minute Raman shifts.

Offered in 12.5, 25, and 50 mm dia with 355 and 785 nm wavelengths, TECHSPEC® Raman Edge Filters are designed for integration into Raman Spectroscopy, Confocal Microscopy, and Life Science instrumentation. Hard coated products reduce spectral noise in Stokes shift applications and create sharp transitions between transmitted Raman signals and blocked laser wavelengths. Designed with steep...

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Infrared Filters offer transmittance beyond 22 micron wavelength.
Optical Filters

Infrared Filters offer transmittance beyond 22 micron wavelength.

Suited for remote sensing, chemical analysis, astrophysics/astronomy, and horizon sensors, VLWIR filters provide transmittance over 12 micron to beyond 22 micron wavelength region. Coatings pass all environmental tests utilizing physical vapor deposition (PVD) process and can be repeatedly cycled between ambient and cryogenic temperatures without degradation. VLWIR optical coatings are available...

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Optical Filters

NVIS Green A Intruder Filters serve military, civilian applications.

Suited as annunciator, indicator, or cockpit display light filter in civilian or military aircraft, K0521 NVIS (Night Vision Imaging Systems) filter is offered at 0.5 mm application thickness and delivers chromaticity values that meet standards when using specified white LEDs with correlated color temperature (CCT) range of 4,000-5,500 K. Used with incandescent light source with CCT from...

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Optical Filters

Kopp Glass Announces EAR99 Classification for NVIS Compatible Filter Blanks

Kopp Glass, Inc., http://www.koppglass.com, the world's leading manufacturer of precision molded, technical glass products announced today that their standard Night Vision Imaging System (NVIS) filter blanks are no longer subject to the licensing jurisdiction of the U.S. Department of State. They are now controlled by the Department of Commerce (DOC) by the Export Administration Regulations...

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