Optical 850nm IR Narrow Bandpass Interference Filter

Detailed Product Description

The 850nm IR Narrow Bandpass Interference filter is used in NIR imaging system to eliminate the influence of surrounding background light, including the visible and NIR light. This filter is to increase the signal/noise ratio of the imager.

 

The applications include video surveillance, visual telephone, visual doorbell, digital telescope and other imaging systems.

Specifications:

Substrate----------------Float glass

Size----------------------2×2mm~81×81mm

Thickness----------------0.4, 0.5, 0.7, 1.1mm

Surface Quality----------40/20, 60/40

Spectrum Characteristic--------------400~800nm T<2%

-----------------------------835±10nm, 895±10nm T=50%

-----------------------------830-870nm Tave>85% Tmin>80%

-----------------------------950-1100 nm Tave<2%

(The final detailed specifications are customized or suggested by Lenoptec. )

All Optical filters include:

Acrylic Filter

Dichroic Filter

Beam Splitter

Reflective Coating

Interference Filter

Waterproof and dustproof coating

AR coating

UV-IR Blocker

IR Cut-off Filter