GaAs Refractive Index

Optical constants (n, k) of GaAs, covering 0.21 – 2.16 μm wavelength range.

Range 0.207 – 2.159 μm

Data Points 184

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)

n = 3.7197

k = 0.1915

589.3 nm (Na-D)

n = 3.7883

k = 0.2535

532 nm

n = 3.9322

k = 0.3464

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)	n	k
0.2066	1.31060	2.29340
0.2108	1.34640	2.38110
0.2152	1.38860	2.47970
0.2197	1.44000	2.59180
0.2244	1.50490	2.72030
0.2293	1.59060	2.86870
0.2344	1.70900	3.04010
0.2398	1.87990	3.23410
0.2455	2.13480	3.43890
0.2514	2.51320	3.61140
0.2576	3.02670	3.64930
0.2641	3.56400	3.42780
0.2709	3.90320	2.98620
0.2781	3.97620	2.54500
0.2857	3.90320	2.23780
0.2937	3.79830	2.06160
0.3022	3.71360	1.97500
0.3112	3.66510	1.94290
0.3208	3.65550	1.94240
0.3309	3.68370	1.95950
0.3417	3.74910	1.98500
0.3533	3.85260	2.01280
0.3656	3.99810	2.03770
0.3789	4.19440	2.05430
0.3931	4.45870	2.05580
0.4085	4.81930	2.03370
0.4251	5.20880	2.02150
0.4431	4.83380	1.25730
0.4627	4.41960	0.57364
0.4842	4.20040	0.44314
0.5077	4.04810	0.39731
0.5336	3.93220	0.34637
0.5623	3.84230	0.29317
0.5942	3.77260	0.24053
0.6300	3.71970	0.19151
0.6705	3.68180	0.14869
0.7164	3.64230	0.11165
0.7691	3.61260	0.10173
0.8302	3.59840	0.07727
0.9018	3.54420	0.01718
0.9869	3.49130	0.01546
1.0898	3.45440	0.01378
1.2166	3.42490	0.01215
1.3768	3.40070	0.01058
1.5857	3.38060	0.00908
1.8692	3.36400	0.00762
2.1586	3.35370	0.00655

Sampled data (184 points total). Click "Download Full CSV" for complete data.

References

S. Adachi. Optical dispersion relations for GaP, GaAs, GaSb, InP, InAs, InSb, Al_xGa_1−xAs, and In_1−xGa_xAs_yP_1−y. J. Appl. Phys. 66, 6030-6040 (1989)
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