Optical constants of CRYSTRAN - Optical materials
GaAs - Galium arsenide
Wavelength:
µm
(0.40–22.25)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Comments
Gallium Arsenide has specialist applications in far IR optics and lens systems.
Gallium Arsenide is produced by Czochralski or horizontal Bridgeman crystal growth techniques.
As it is arsenic bearing, precautions in handling and working should be observed.
REFERENCES:
(1) Handbook Optical Constants, ed Palik, V1, ISBN 0-12-544420-6
(2) Deutch, J.Electron. Mater. V4 p679
(3) Sze, Physics of Semiconductor Devices, Wiley 1981
(4) M.Cadona. Proc. Int Conf. Semi. Phys. 1960 p.388. Note: dn/dT = n x (4.5 +/-0.2)x10-5 °K-1
References
Crystran Ltd.
The Crystran handbook of infra-red and ultra-violet optical materials (5th edition, 2023)
See also
Crystran GaAs online data sheet
Data
Additional information
Properties of GaAs - Galium arsenide
density:
-
value: 5315
thermal_dispersion:
-
type: constant
wavelength: 10
value: 0.000147
thermal_expansion:
-
temperature: 300
value: 5.7E-6
hardness:
-
type: Knoop
value: 7350000000
melting_point:
-
value: 1784
thermal_conductivity:
-
temperature: 273
value: 48
youngs_modulus:
-
value: 84810000000
poissons_ratio:
-
value: 0.31
solubility:
-
value: 0