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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