Zinc Selenide (ZnSe) Jan 7, 2008

Zinc Selenide is the most popular material for infrared applications. It can transmit from 0.5um to 20 um. ZnSe based components include windows, prisms and lenses etc. CVD grown ZnSe has very high quality and can be used in high power IR laser.

MATERIAL PROPERTIES

Transmission Limits ≥70%(2.5~10.6um)
Refractive Index 2.4015 at 10.6 um
Thermal Conductivity(W/s.cm.ºC) 0.0438 at 290ºC
Specific Heat 0.0871 at 290ºC
Expansion Coefficient (a x 10-6) 7.6 at 100ºC
Flexural Strength(Mpa) 66-83
Hardness (HK0.05) 192-122
Density(g/cm3) 5.268

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