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Hot&Cold Optical Mirrors
 

AOI=0 degree Hot & Cold Mirror

 

 

Cold mirrors reflect visible light while allowing IR light pass through but not using it.Cold mirrors are ideal for

illumination systems where high temperature lighting is not desired. Hot mirrors relfect harmful IR waveband

which can produce heat, while allowing visible waveband to pass through.

 

 

 

Technical Parameters
 
1 Material  UV fused silica, infrared fuses silica, Borofloat
2 Diameter 4mm-- 200mm
3 Thk tolerance +/-0.1mm
4 Surface quality  80-50 S/D
5 Flatness

5 λ per 25mm@633nm

6 Parallelism <3arcmin
7 Clear aperture >85%
8 Bevel 0.2*45degree
9 coating

Reflectance:
Cold Mirror:R>85% @700-1100nm
Hot Mirror: R<5%@ 700-1100nm
Transmittance : 
Cold Mirror: T<5%@ 400-700nm
Hot Mirror: T>75%@ 400-700nm

 
 

 

 

 

 

                           

 

 

 

 

 

 

 
 
 
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