My company develops long range outdoor infra red detectors. Our biggest challenge is to find material around 100x100 mm which is transparent to Infra red and isn't expensive. I know that some kinds of plastic are 50% transparent, but we must find something better. The material has to be transparent to IR only ( 8-14 um).
SHLOMI LEVI - RINATYA, ISRAEL
You have not specified how much transmittance you need from plastics. The infrared industry typically does not utilize plastics for infrared applications due to the reflectance and interference issues. I would suggest looking into Germanium which is the best material for your application.
Best of Luck,
Ira Donovan, M.S.F. Kansas City, Missouri
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