|
|
|
Syngony
|
Cubic
|
|
Symmetry Class
|
43m F43m
|
|
Lattice Constants, Angstroms
|
a=5.653 c=a
|
|
Cleavability
|
(111), non-perfect
|
|
|
|
|
Refractive Index, n8.0-n12.5
|
3.34
|
|
Transmission Range, microns (thickness 10ìì)
|
1¸15
|
|
Transmittance ti(l) vs. wavelength l
|
|
|
|
|
|
|
Refractive Index n vs.
wavelength l
GaAs ( Gallium Arsenide )
|
|
l,ìêì
|
n(l)
|
|
8.0
|
3.34
|
|
10.0
|
3.035
|
|
14.5
|
2.82
|
|
17.0
|
2.59
|
|
19.0
|
2.41
|
|
|
|
|
|
Thermal Linear Expansion at, îÑ-1 for 0-30îÑ
|
5.39•10-6
|
|
Thermal Conductivity, W/(m • îÑ) at 25 îÑ
|
46.05
|
|
Specific Heat Capacity, J/(kg • îÑ)
|
350
|
|
Melting Point, îÑ
|
1238
|
|
|
|
|
Density, g/cm3 at 20 îÑ
|
5.316
|
|
Mohs Hardness
|
4.5
|
|
Vickers Microhardness , Pa
|
6.9•109
|
|
Poisson Ratio
|
0.31
|
|
Young Modulus (Å), Pa
|
8.5•1010
|
|
|
|
|
Solubility GaAs
|
|
in water at 20 îÑ
g/100cm3
|
|
insoluble
|
|
"Opto-Technological Laboratory" produces lenses, windows, prisms, wedges, cylindrical lenses and others optical components according to customers’ specifications and drawings out of crystals gallium arsenide ( GaAs ) . |
