Xiamen Powerway Advanced Material Co.,Ltd., a leading supplier of Germanium Substrate materials and other related products and services, can provideGermanium Substrate of Optical Grade in different size. And now PAM-XIAMEN offer specification as follows:in different size
SL.No |
Material Specifications: |
|
1 |
Crystalline Form : |
Polycrystalline |
2 |
Conductivity Type : |
n-type |
3 |
Absorption Coefficient, at 25°C |
0.035cm-1 max @ 10.6µm |
4 |
Typical Resistivity : |
3-40 ohm-cm |
5 |
Density : |
5.3 g/cc |
6 |
Mohs Hardness : |
6.3 |
7 |
Oxygen Content : |
< 0.03 ppm |
8 |
Holes and Inclusions: |
<0.05 mm |
9 |
Poisson Ratio : |
0.278 |
10 |
Youngs Modulus (E) : |
100 Gpa |
SL.No |
Optical Properties: |
|
1 |
dn/dt from 250-350 K : |
4 X 10-4 K-1 |
2 |
Transmission at 25°C @10.6 µm wavelength |
|
|
for uncoated sample of thickness 10mm : |
Max. 47% or more |
3 |
Refractive Index @ 10.8 µm : |
4.00372471±0.0005 |
4 |
Inhomogeneity of the Index : |
2 X 10-4 |
SL.No |
Thermal Properties |
|
1 |
Melting Point (K) : |
1210.4 |
2 |
Heat Capacity @ 300K (J/kg.K): |
322 |
3 |
Thermal Conductivity @293 K : |
59 Wm-1 K-1 |
4 |
Coefficient Thermal Expansion @ (20°C) (10-6 K): |
5.8 |
Source:PAM-XIAMEN
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