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Zinc Selenide
For optical windows, lenses, mirrors and prisms

Specification, Coating and orientation are available upon request.

ZnSe is used widely used for optical windows, lenses, mirrors and prisms particularly for infrared applications. The transmission range is 0.5 22 μm. Used for high power CO2-laser optics at 10.6 microns.

 

Transmissive wavelength

0.522μm

Density

5.27g/cm3

Transmittance >65% (0.58μm)

>70% (813μm)

Bending strength

56MPa

Knoop hardness

130 kg/mm2

Refractive index

2.403 (10.6 at μm)

Absorption coefficient

0.0006/cm (10.6 at μm)

Thermal expansion coefficient

7.1×10-6 (273K)

 
 
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