Custom IR Optical 800nm long-pass Filter for Biometric Face Recognition

The long-wave pass filter has the advantages of large cut-off steepness, high transmittance, and large background light density.

Edge wavelength: 800nm
Transition zone: 10nm~100nm
Transmittance (CWL): ≥85%
Product size: 2nm~80nm (can be customized according to customer requirements)
Cut-off depth: OD3~OD6
Substrate: K9, BK7, B270, D263T, Corning, fused silica, colored glass
Surface finish: US military standard 40_20, international third grade

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Multiple Customization Options

Custom Material & Substrate

We provide one of the best substates for your optics, including infrared materials, visible optical glass, chalcofenide glass, plastic, metel, and more on demand.

Custom Shape & Structure

From general to special surface profiles, we are able to achieve high quality. Our products include flat, spherical, aspherical, and curved optics, among others.

Custom Coating

Our coatings are precise and in-house, including anti-reflection, multi-band, conductive, edge filter, variable, metallic, dielectric coatings, and more finishes.

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Relevant Applications & Markets

APPLICATION

Custom optics for laser cutting, drilling, engraving, and more.
Laser
Optical parts with low absorption in the infrared spectral region.
Thermal Imaging
Optics with reliable absorption or transmission properties.
Heat Sensing
Custom objective lens and ocular lens for night vision.
Night Vision
Custom spheres, aspheres, curved optics for detectors.
Detectors
Precise optics for gun laying, hand-held devices and more.
Defense and Security
MWIR and LWIR optics with light weight to support the system.
Border & Marine Surveillance
Custom optics with high transmission and blocking level.
Rescue Missions
Highly functional IR optics for imaging in different industries.
Infrared Imaging

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