Gallium Arsenide (GaAs)

Infrared Optical Material - GaAs

 

BASIC PROPERTIES
Specification GaAs
Transmission Range (um) 1.0-22
Refractive Index@10um 3.277
Temperature Coefficient of Refractive Index @ 106um,  149 x 10-6/oC
Bulk Absorption Coefficient@10um / cm <0.01
Melting Point, oC 1600
Hardness (Knoop), Kg/mm2 750
Density, g/cm3 5.37
Rupture Modulus, Mpa 13.8
Young's Modulus, Gpa 8.3
Fracture Toughness Mpam-1/2 0.31

 

Wavelength(µm) Index Wavelength(µm) Index Wavelength(µm) Index Wavelength(µm) Index
2.6 3.3239 5.4 3.2991 8.2 3.2868 11.0 3.2725
2.8 3.3204 5.6 3.2982 8.4 3.2859 11.2 3.2713
3.0 3.3169 5.8 3.2972 8.6 3.2849 11.4 3.2701
3.2 3.3149 6.0 3.2963 8.8 3.2840 11.6 3.2690
3.4 3.3129 6.2 3.2955 9.0 3.2830 11.8 3.2678
3.6 3.3109 6.4 3.2947 9.2 3.2818 12.0 3.2666
3.8 3.3089 6.6 3.2939 9.4 3.2806 12.2 3.2651
4.0 3.3069 6.8 3.2931 9.6 3.2794 12.4 3.2635
4.2 3.3057 7.0 3.2923 9.8 3.2782 12.6 3.2620
4.4 3.3045 7.2 3.2914 10.0 3.2770 12.8 3.2604
4.6 3.3034 7.4 3.2905 10.2 3.2761 13.0 3.2589
4.8 3.3022 7.6 3.2896 10.4 3.2752 13.2 3.2573
5.0 3.3010 7.8 3.2887 10.6 3.2743 13.4 3.2557
5.2 3.3001 8.0 3.2878 10.8 3.2734 13.6 3.2541

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