ZnSe

Used as transparent barriers for sending and receiving light between two phases under varying conditions in temperature pressure chemical composition cleanliness and phase. Windows made of zinc seleni..

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ZnSe

Used as transparent barriers for sending and receiving light between two phases under varying conditions in temperature pressure chemical composition cleanliness and phase. Windows made of zinc selenium (ZnSe or Zinc Selenide) the most commonly used optical material that allows transmission of infrared light.

 
Windows Designed for 600 nm - 16 µm
Uncoated 
Standard Specifications 
Items
Specifications
Material
Zinc Selenide (ZnSe)
Designed Index
2.403 @ 10.6µm
Density
5.27g/cm3
Heat Transfer Coefficient
18 W/mK
Expansion Rate
7.6×10-6/ 
Dimension Tolerance
+0.0/-0.2 mm
Thickness Tolerance
± 0.2 mm
Clear Aperture
> 90%
Parallelism
< 1 arc minutes
Flatness
λ/20 at 10.6µm
Surface Quality
scratch and dig 60-40
Bevel
0.5 (0/-0.3) mm