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Siolica (Si) windows April 14, 2020

14 Apr 2020

Silicon window has good thermal conductivity and low density, except as a slice of silicon window can also be made into silicon laser reflector, silicon lens, silicon flat convex lens, silicon double convex lens, silicon, silicon plane concave lens wedge Angle of window film, silicon films such as laser window, a variety of laser equipment and industrial applications, used in the infrared wavelengths of high precision instruments.
Silicon window plates are commonly used in the 1.2-8 muon near-infrared spectrum.
Silicon substrate density is small, the density of germanium material or zinc selenide material half, the weight is relatively light, silicon optical elements than germanium hardness is higher, commonly used in 3-5um band applications or 3-5 muon coating after anti-reflection film.
Silicon (Si) single crystals are commonly used as substrates for medium wave infrared optical Windows and optical filters of 3 to 5 microns. Due to their good thermal conductivity and low density, they are also commonly used for making laser reflectors or infrared temperature measurement and infrared optical lenses.

Specification

   Commercial   Grade Precision Grade High Precision Grade
Dimension 1mm-600mm
Dimension tolerance ±0.1mm ±0.025mm ±0.01mm
Thickness tolerance ±0.1mm ±0.025mm ±0.01mm
Parallelism  
Surface quality 60/40 40/20 20/10
Surface accuracy λ λ/10 λ/20
Coating 3-5um OR
8-12um T>97%

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China
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