850nm IR Narrow Bandpass Filter--optical element

Detailed Product Description

The 850nm bandpass 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.

 

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%