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silicon ir blank
silicon ir blank

Silicon IR Blank

Silicon IR blanks are high-purity silicon substrates crucial for infrared optical applications. They are predominantly used to manufacture lenses, mirrors, and windows that operate in the infrared spectrum. Silicon’s high thermal conductivity and low absorption rates at IR wavelengths make it ideal for components in thermal imaging and telecommunications systems.

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Specifications

The Specifications of Silicon IR Blank

MaterialSi
SpecificationCustomized
Diameter Tolerance≤0.03mm
Curvature Radius△Sag<0.005
Center Thickness Tolerance≤0.025mm
Edge Thickness≤0.03mm
Surface Quality40/20
Transmittance1.AR ≥97% 2.DLC+AR≥90%
SurfaceN<2 △N<1
Flatness<10μm
Decentration1.Window<30′2.Lens<1.5′


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