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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