ZnS
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CVD ZnS (chemical vapor deposition Zinc sulfide) is an important infrared window material, which transmits from visible light to long wavelength infrared (0.4-14 μ m) It is widely used in fields such as infrared astronomical satellites, infrared spectrometers, measuring instruments, and thermal imagers, and is also one of the main candidate materials for long wave optical windows and domes.
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The Zinc selenide material is a yellow transparent polycrystalline material, and the crystal particle size is about 70 μ m. Light transmission range 0.5-20 μm. Synthesized by chemical vapor deposition (CVD) method, there is basically no impurity absorption, and the scattering loss is extremely low. Due to the impact on 10.6 μ the absorption of m-wavelength light is very small, making it the preferred material for optical devices in high-power CO2 laser systems. In addition, due to its wide transmission band, this material is also widely used as an infrared detection and imaging optical element.
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