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Applications



There are applications that require high temperature, absolute transmission, maximum hardness, etc. For these applications different IR transmissive materials are well suited and we supply many of them, these include:
Sapphire
Calcium Fluoride
Germanium
Zinc Selenide
The properties of these and other popular materials are:

High temperature - Absolute transmission - Maximum hardness
Well suited applications of different IR transmissive materials
Type IR Polymer Calcium Fluoride (CAF2) Coated Germanium (GE) Sapphire (AL2O3) Zinc Zlenide (ZnSe) Barium Fluoride (BAF2)
Transmission Long Wave @ 9 Micron 68% 55% 90+% 0 90+% 90+%
Transmission Short Wave @ 4 micron 55% 90% 90+% 90+% 90+% 90+%
Affects of Moisture None Fogs - Degrades None None None Fogs - Degrades
Visable Transmission Opaque Yes No Yes Opaque Yes
Arc Flash Rated NO NO NO NO NO NO
Hardness Index - Knoop n/a 158 780 2000 120 82
EEE C.37.20.2 section A.3.6 Compliant Yes No No No No No
Toxic Classification No No No No No Toxic

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