ZnSe Domes

CVD zinc selenide (ZnSe) is a chemical inert material with high purity, strong environmental adaptability, and easy processing. Its optical transmission loss is small and has good penetration.It is the prioritized chosen material for high power CO2 laser optical components. Since the refractive index of this material is well uniform and consistent, it is also ideal for making protective window and infrared optics in FLIR thermal imaging system. At the same time, the material is also widely used in making window and lens for medical instrument, the industrial thermal radiation measuring instrument and the infrared spectrometer.

Optical Properties
Max Transmittance 1 μm 69.2%
Max Transmittance 10 μm 70.9%
Physical Properties
Density, (20°C)  5.27 g/cm3
Hardness, (20°C) 105 kg/mm2
Young’s Modulus, (20°C)
Young’s Modulus, (260°C)
10.2 Mpsi
8.9 Mpsi
Wavelength, μm Refractive Index
10 2.40707

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