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
