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Other Crystals
optical crystal
Si
Main Performance Parameters
Silicon (Si) window sheets made of optical-grade silicon have become popular products for applications in the spectral range of 1.2 - 7 μm. Silicon has a very low density..
Product description
Main Performance Parameters
Silicon (Si) window sheets made of optical-grade silicon have become popular products for applications in the spectral range of 1.2 - 7 μm. Silicon has a very low density (half that of germanium or zinc selenide), so it is very suitable for applications that are sensitive to weight, especially those in the range of 3 - 5 μm. Its density is 2.329 g/cm³, and the Knoop hardness is 1150. Therefore, it is harder than germanium and less likely to break.
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Crystal Structure
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Face-centered cubic
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Melting Point (℃)
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1420
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Density
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2.4 (g/cm³)
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Conduction Type/Dopant
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Type I Undoped
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P-doped with B
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N-doped with P
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Resistivity
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>1000Ωcm
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10⁻³~10⁴Ωcm
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10⁻³~10⁴Ωcm
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E P D
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≤100∕cm²
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≤100∕cm²
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≤100∕cm²
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Oxygen Content (/cm³)
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≤1~1.8×10¹⁸
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≤1~1.8×10¹⁸
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≤1~1.8×10¹⁸
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Carbon Content (/cm³)
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≤5×10¹⁶
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≤5×10¹⁶
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≤5×10¹⁶
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