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| Product Name: |
Germanium(Ge)
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| Supply Ability: |
1000 |
| Related proudcts |
germanium, |
| Specifications |
please contact us for details |
| Price Term: |
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| Port of loading: |
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| Minimum Order |
1 |
| Unit Price: |
5 |
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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¡ª12000nm
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 ¡À2¡±-¡À5¡¯¡ä
Surface quality 40/20
Surface accuracy ¦Ë/10 per @633nm
Beveling 0.1-0.5mm
Material ZnSe
Coating film 8-14micrometers or 3-5 micrometers etc, band
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| Company: |
Fuzhou Antyco Optics
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| Contact: |
Ms. Emily Gao |
| Address: |
4/F, 12th Bldg, Taijiang Industrial Park, Juyuanzhou Industrial Zone,Fuzhou |
| Postcode: |
350000 |
| Tel: |
86 591 83853506 |
| Fax: |
86 591 83853765 |
| E-mail: |
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