- Company Name :Ningbo Lambert Optics Co., Ltd
- Membership :Free member
- Registrarion Date :2016. 12. 30
- CountryRegion:China
- Address:NO.399, 66th building, zhuangxijiayuan, hengjie town Ningbo Zhejiang, China
- Phone / Fax:86-0574-87166171 / 86-0574-87121375
- Contact:Tony Zhou
Description
Silicon is used as an optical window primarily in the 3 to 5 micron band and as a substrate for production of optical filters. Large blocks of Silicon with polished faces are also employed as neutron targets in Physics experiments.
Properties
Crystal Type Cubic,NaCl type structure
Transmission Range 1.2-15μm; 17…>500μm
Refractive Index 3.41776 when 10μm
Reflective Loss 46.1% when 10μm
Density 2.3291g/cm
Melting Point 1414℃
Molecular Weight 28.09
Thermal Conductivity 163.32 W/(m K) when 40℃
Specifics Heat 703.4J/(kg K)
Thermal Expansion 3.9ⅹ10 /℃ when 200-300 K<111>
Hardness (mohs) 1150(Mohs 7)
Young’s Modulus 131GPa
Shear Modulus 79.9GPa
Bulk Modulus 102GPa
Rupture Modulus 125MPa
Dielectric Constant 13 when f=9.37GHz
Solubility Water insoluble
Crystal Structure Single crystal, synthetic
Cleavage Planes (111)
Standard Diameter 3", max. ø 300 mm
Application windows, lenses, band pass filter, thermography, ATR crystals, FIR optics, mirrors
- Related Keywords :Si, Silicon, Si material
- Date Posted : 2020. 09. 21
Product Image
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