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Germanium For Sell - China

price: contact company for price

Physicochemical property:
Density (g cm-3) 5.33
Melting point (℃) 936
Dielectric constant static state/high frame 16.6 @ 9.37GHZ(300K)
Coefficient of thermal expansion (1/℃) 6.1*10-6 @298K
Bulk modulus (Gpa) 77.2
Shear modulus (Gpa) 67
Thermal conductivity (J/k .m. s) 58.61 @ 293K
Thermal capacity(J/g .k) 0.31
Knoop hardness (kg/mm2) 780
Young modulus (Gpa) 102.7
Poisson’s ratio 0.28
Coefficient of elasticity C11=129 C11=48.3 C11=67.1
Optical property:
Transmitted wavelength range 2000nm—12000nm
Absorption coefficient (1/cm) 1. 1.3*10-3 @ 3800nm
2. 3*10-2 @ 10600nm
Thermo-optical coefficient dn/dT (1/k) 4.08*10-4 @10600nm
Change of refractive index along with wavelength
Wavelength (nm) Refractive index (n) Wavelength Refractive index
2200 4.0879 8000 4.0057
3000 4.0451 9000 4.0040
3800 4.0267 10600 4.0028
5000 4.0160 11000 4.0025
6000 4.0107 12000 4.0021
7000 4.0079 13000 4.0018
Technical requirement Tolerance range
Size range 1-400mm
Size tolerance +0/-0.05mm
Angle tolerance ±2”-±5’´
Surface quality 40/20
Surface accuracy λ/10 per @633nm
Beveling 0.1-0.5mm
Material ZnSe
Coating film 8-14micrometers or 3-5 micrometers etc, band

Company Contact:

  • Phone: 15860296796

  • Address: 4/F, 12th Bldg, Taijiang Industrial Park, Juyuanzhou Industrial Zone,Fuzhou, Fujian, China, Fuzhou, Fujian, China

  • Email: Email

Published date: August 11, 2016 -

  • Business Description: Our manufacturing capabilities consist of all types of customized lens, Beam Splitters, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Optical Assemblies and Optical Systems Solutions, Laser Crystals, NLO Crystals. The products are widely used in laser industry, optical communication, laser display, medical equipment, survey equipment, precision Instrument and semiconductor.

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