Aug 21, 2014

Germanium Substrate of Optical Grade


Xiamen Powerway Advanced Material Co.,Ltd., a leading supplier of Germanium Substrate materials and other related products and services, can provide Germanium Substrate of Optical Grade in different size.And now PAM-XIAMEN offer specification as follows:


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


For more information, please visit our website:www.powerwaywafer.com, send us email at sales@powerwaywafer.com  or powerwaymaterial@gmail.com



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