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si circle ir blank
si circle ir blank

Si Circle IR Blank

Silicon (Si) circle IR blanks are high-purity silicon discs, essential for manufacturing optical components in the infrared spectrum. These blanks are predominantly used in creating lenses and mirrors for IR applications such as telecommunications, security systems, and infrared spectroscopy, leveraging silicon's outstanding optical properties and thermal stability.

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Specifications

The Specifications of Si Circle 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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