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Products Categorys
Infrared Optics

ZnSe Window

ZnSe Window

ZnSe Window


Features: Low scattering damage.

Applications: High and low power laser, laser system, medical science,astronomy and IR night vision.

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.

ZnSe is a kind of yellow and transparent mulit-cystal material, the size of crystalline particle is about 70um, transmitting range is from 0.5-15um. Znse material made by chemical vapor deposition(CVD) basically doesn’t exist impurity absorption, scattering damage is very low. Because of a very low light absorption for 10.6um wavelength, so ZnSe is the first choice material for making optical elements of high-power Co2 laser system. Furthermore ZnSe is also a kind of common used material for different optical system in whole transmitting waveband.



Material: ZnSe

Dimension Tolerance +0.0/-0.1mm

Thickness Tolerance: ±0.1mm

Surface quality: 60/40

Clear Aperture: >85%

Flatness: λ/2@633nm

Parallelism: 3'

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