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Silicon Germanium CVD ZnS ZnSe Sapphire Crystal

Infrared Optics

ZnSe

ZnSe (Zinc Selenide) is the most popular material for infrared applications. It can transmit from 0.6 m to 20 m. With its low absorption at IR wavelengths and visible transmission ZnSe based componen..

产品说明

ZnSe (Zinc Selenide) is the most popular material for infrared applications. It can transmit from 0.6 μm to 20 μm.

With its low absorption at IR wavelengths and visible transmission ZnSe based components including windows, output couplers, prisms and lenses are widely used especially for high power IR laser.

Physical and Optical Properties:

Growing Method	Chemical Vapor Deposition(CVD)
Melting Point	1525℃
Transmission Band	0.6-20um
Bulk Absorption Coefficient	5X10-4cm^-1@10.6μm
Density	5.268g/cm³
Refractive Index	2.4015 at 10.6μm
Young’s Modulus	67.2 GPa
Thermal Conductivity	0.18W/cm/℃
Specific Heat	0.356J/g/℃
Thermal Expansion	7.57x10^-6/℃ at 20℃

Specifications:

Material:	ZnSe
Dimension Tolerance:	+0.0/-0.1mm
Thickness Tolerance:	±0.1mm
Surface quality:	60/40
Clear Aperture:	>85%
Flatness:	λ/2@633nm
Parallelism (Centration):	3'

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