https://www.cngeir.com/products/chalcogenide-glass-ir-blank/ ↗
#optical #glass #blanks
Chalcogenide optical glass blanks are crafted from a unique blend of chalcogen elements such as sulfur, selenium, and tellurium. These glass lens blanks are essential for manufacturing advanced optical components that operate efficiently within the infrared spectrum. They are widely used in thermal imaging, security systems, and optical communication devices due to their excellent IR transmission properties.

The Specifications of Chalcogenide Glass IR Blank
Material Chalcogenide Glasses
Specification Customized
Diameter Tolerance ≤0.03mm
Curvature Radius △Sag＜0.005
Center Thickness Tolerance ≤0.025mm
Edge Thickness ≤0.03mm
Surface Quality 40/20
Transmittance 1.AR ≥97% 2.DLC+AR≥90%
Surface N＜2 △N＜1
Flatness ＜10μm
Decentration 1.Window＜30′2.Lens＜1.5′

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