China High Precision Rectangular ZnSe Window – AR Coated 10.6μm, λ/4 Surface Flatness for CO2 Laser Systems Manufacture and Factory

High Precision Rectangular ZnSe Window – AR Coated 10.6μm, λ/4 Surface Flatness for CO2 Laser Systems

This series of rectangular ZnSe windows is precision-manufactured from high-quality zinc selenide (ZnSe), designed specifically for CO2 laser systems operating at 10.6μm. These infrared windows feature a dual-layer anti-reflection coating with less than 0.2% reflectance per surface at 10.6μm, ensuring maximum transmission and minimal power loss.

Key Specifications:

Surface quality: 60-40 scratch/dig
Surface flatness: λ/4 per 1” diameter @632.8nm
Parallelism: ≤3 arc minutes
Clear aperture: >90%
Dimension tolerance: +0/-0.13mm
Thickness tolerance: ±0.25mm

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Available in multiple standard rectangular sizes ranging from 15x18mm to 185x125mm, with thickness options of 1.0mm, 3.0mm, 4.0mm, and 6.0mm (see part numbers WZ-15x18x1 through WZ-185x125x6). Custom dimensions are also available upon request.

These zinc selenide laser windows are ideal for CO2 laser beam delivery systems, thermal imaging, infrared spectroscopy, and high-power laser protection enclosures. The combination of low absorption coefficient, high thermal stability, and durable AR coating makes them a reliable choice for industrial and medical laser applications.

Whether you need a standard 10.6μm AR coated window or a fully customized shape, we deliver consistent quality with fast lead times. Optimize your CO2 laser system with our precision ZnSe optics.