Zinc Selenide (ZnSe) is a popular optical material known for its exceptional infrared transmittance properties.
It is highly transparent in the infrared region, covering a wide wavelength range from around 0.5 μm to 20 μm, making it suitable for various applications in infrared optics. ZnSe is commonly used for manufacturing optical windows, lenses, and prisms, especially in infrared imaging systems, thermal imaging cameras, and laser systems. Its low absorption coefficient and high resistance to thermal shock make it ideal for high-power laser applications. ZnSe lenses are widely used in CO2 laser systems due to their excellent performance in focusing and collimating laser beams. Additionally, ZnSe is relatively easy to fabricate and polish, contributing to its popularity in optical design and manufacturing. With its outstanding infrared transmittance, ZnSe enables the efficient transmission of infrared radiation while providing excellent optical performance in a variety of applications across scientific, industrial, and military domains.
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