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Silicon(Si) Windows are made from Silicon material, which has transparent range from 1.2 to 7 microns MT-Optics,Inc. can kindly process this Si as windows, mirrors, lenses etc.

Specifications:
Material: --------------------------------------------------------- Silicon
Diameter Tolerance: ------------------------------------------ +0.0, -0.1mm
Thickness Tolerance: ---------------------------------------- ±0.2mm
Clear Aperture: ------------------------------------------------->80%
Parallelism:------------------------------------------------------- 1 arc minute
Flatness:----------------------------------------------------------- λ/2 @ 632.8 nm
Surface quality: ------------------------------------------------- 60/40 scratch and dig
Protective Bevel:--------------------------------------------------<0.25x45deg
Coating:-------------------------------------------------------------Uncoated