IR pass (cold mirror) allow infrared transmit while visible light absorbed, reflected or blocked.
Usually used on:
1. Night vision monitor.
2. PC / Web camera filters.
3. Infrared sensor.
4. CCTV lens filters.
5. Automatic optical inspection equipment(AOI).
6. IR camera.
1. Spectral characteristics: (1) T50%=700~950 +/- 15nm. (2) Tave>80% @ 750-1000nm. (3) Tave<3% @ 430-650nm. 2. Physical characteristics: (1) Thickness a. Glass: 0.7, 1.1, 2.0, 3.0mm. b. Borosilicate: 1.1mm. (2) Dimension: a. Square: 3x3 ~ 160x160mm. b. Round: 3 ~ 150mm 3. Resistant temperature: (1) Glass: 150 celsius. (2) Borosilicate: 450 celsius.