Optical constants

Refractive index of GaP (Gallium phosphide)

Khmelevskaia et al. 2021: n 0.235-1.70, k 0.235–0.686 µm

Data: tabulated nk
Range: 0.235–1.7 µm
Points: 1466
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 3.3937
Extinction coefficient k: 0.022414

Permittivity ε₁: 11.5167
Permittivity ε₂: 0.152133

Absorption coefficient α: 4793.44 cm⁻¹
Penetration depth δ = λ/(2πk): 4172.37 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -1.54 µm⁻¹

Group index n_g: 4.2986
Group velocity dispersion: — fs²/mm

Dispersion parameter D: — ps/(nm·km)
Photon energy: 2.11001 eV

ε = (n + ik)², α = 4πk/λ, n_g = n − λ dn/dλ, GVD = λ³/(2πc²) d²n/dλ², D = −(λ/c) d²n/dλ². Group-velocity dispersion is given for formula data only.

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# GaP (Gallium phosphide): Khmelevskaia et al. 2021: n 0.235-1.70, k 0.235–0.686 µm
gap = ls.fetch_refractiveindex("main", "GaP", "Khmelevskaia", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(gap.range_nm)  # (235, 1700) nm
eps = gap.eps([633])  # complex permittivity

Downloads the original record once (pinned to the imported snapshot) and caches it.

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_bc7df8199e8c/lightsmith"
gap = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(gap.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (gap/khmelevskaia-2021).

# ... load gap as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=gap)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=1000, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength

Same spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).

Materials guide Open a sphere of it in Studio Quick start Ask the community

Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.

References

D. Khmelevskaia, D.I. Markina, V.V. Fedorov, G.A. Ermolaev, A.V. Arsenin, V.S. Volkov, A.S. Goltaev, Yu.M. Zadiranov, I.A. Tzibizov, A.P. Pushkarev, A.K. Samusev, A.A. Shcherbakov, P.A. Belov, I.S. Mukhin, S.V. Makarov. Directly grown crystalline gallium phosphide on sapphire for nonlinear all-dielectric nanophotonics, Appl. Phys. Lett., 118, 201101 (2021) (Numerical data kindly provided by Georgy Ermolaev)

Cite

D. Khmelevskaia, D.I. Markina, V.V. Fedorov, G.A. Ermolaev, A.V. Arsenin, V.S. Volkov, A.S. Goltaev, Yu.M. Zadiranov, I.A. Tzibizov, A.P. Pushkarev, A.K. Samusev, A.A. Shcherbakov, P.A. Belov, I.S. Mukhin, S.V. Makarov. Directly grown crystalline gallium phosphide on sapphire for nonlinear all-dielectric nanophotonics, Appl. Phys. Lett., 118, 201101 (2021) (Numerical data kindly provided by Georgy Ermolaev); Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

1466 rows as published

CSV comma separated TXT tab separated YAML n, k Full database record original YAML All quantities CSV JSON metadata

GaP (Gallium phosphide), Khmelevskaia et al. 2021: n 0.235-1.70, k 0.235–0.686 µm: n and k versus wavelength
λ (µm)	n	k
0.235	2.61161	3.74054
0.236	2.66529	3.80122
0.237	2.73213	3.85485
0.238	2.80956	3.89896
0.239	2.89493	3.93207
0.24	2.98561	3.95337
0.241	3.07902	3.96258
0.242	3.17246	3.95989
0.243	3.26313	3.94671
0.244	3.34986	3.92536
0.245	3.43243	3.89742
0.246	3.51076	3.86401
0.247	3.58488	3.82601
0.248	3.65487	3.78413
0.249	3.72083	3.73892
0.25	3.78292	3.6908
0.251	3.84123	3.64003
0.252	3.89574	3.58682
0.253	3.94638	3.53139
0.254	3.99305	3.47396
0.255	4.0356	3.41475
0.256	4.07385	3.35397
0.257	4.10749	3.29191
0.258	4.13607	3.22903
0.259	4.15936	3.16625
0.26	4.17757	3.10439
0.261	4.19101	3.04413
0.262	4.20008	2.98604
0.263	4.20525	2.93066
0.264	4.20708	2.87841
0.265	4.20624	2.82969
0.266	4.20361	2.78469
0.267	4.2001	2.74311
0.268	4.19615	2.70445
0.269	4.19197	2.66834
0.27	4.18774	2.63447
0.271	4.18355	2.60258
0.272	4.17946	2.57245
0.273	4.1755	2.54389
0.274	4.17165	2.51672
0.275	4.16787	2.49083
0.276	4.16409	2.46617
0.277	4.16032	2.44277
0.278	4.1566	2.4206
0.279	4.15298	2.39966
0.28	4.14951	2.37992
0.281	4.14624	2.36137
0.282	4.14325	2.34397
0.283	4.14061	2.3277
0.284	4.13839	2.31252
0.285	4.13671	2.29836
0.286	4.13561	2.28513
0.287	4.13515	2.27272
0.288	4.13534	2.26105
0.289	4.13618	2.25003
0.29	4.13768	2.23959
0.291	4.13985	2.22967
0.292	4.14266	2.2202
0.293	4.14611	2.21112
0.294	4.15017	2.20239
0.295	4.15479	2.19397
0.296	4.15996	2.18588
0.297	4.16567	2.17812
0.298	4.17194	2.17071
0.299	4.17882	2.16364
0.3	4.18632	2.15691
0.301	4.1945	2.15051
0.302	4.20341	2.14442
0.303	4.2131	2.13862
0.304	4.22365	2.1331
0.305	4.23514	2.1278
0.306	4.24771	2.12266
0.307	4.26144	2.11752
0.308	4.27636	2.11222
0.309	4.29245	2.10661
0.31	4.3097	2.10058
0.311	4.32807	2.09401
0.312	4.34754	2.08681
0.313	4.36805	2.07887
0.314	4.38959	2.07012
0.315	4.41212	2.06046
0.316	4.43562	2.04983
0.317	4.4601	2.03813
0.318	4.4856	2.02523
0.319	4.5121	2.01088
0.32	4.53948	1.99487
0.321	4.56759	1.97702
0.322	4.59625	1.95718
0.323	4.62528	1.9352
0.324	4.65445	1.91098
0.325	4.68355	1.8844
0.326	4.71233	1.85538
0.327	4.74052	1.82385
0.328	4.76782	1.78974
0.329	4.79388	1.75301
0.33	4.81825	1.71366
0.331	4.84033	1.67192
0.332	4.85978	1.62829
0.333	4.87648	1.58321
0.334	4.89035	1.53703
0.335	4.90136	1.49011
0.336	4.90954	1.44275
0.337	4.91492	1.39524
0.338	4.91755	1.34783
0.339	4.91751	1.30079
0.34	4.91489	1.25433
0.341	4.9098	1.2087
0.342	4.90237	1.1641
0.343	4.89278	1.12075
0.344	4.88122	1.07883
0.345	4.868	1.03843
0.346	4.85329	0.99955
0.347	4.83724	0.96218
0.348	4.81998	0.92635
0.349	4.80159	0.89208
0.35	4.7822	0.85938
0.351	4.7619	0.82829
0.352	4.74079	0.79883
0.353	4.71898	0.77105
0.354	4.69657	0.74497
0.355	4.67369	0.72064
0.356	4.65045	0.69809
0.357	4.62699	0.67735
0.358	4.6035	0.65847
0.359	4.58017	0.64148
0.36	4.5573	0.62629
0.361	4.53509	0.61275
0.362	4.51365	0.60067
0.363	4.4931	0.58989
0.364	4.47349	0.58025
0.365	4.45488	0.57158
0.366	4.43729	0.56374
0.367	4.42075	0.55657
0.368	4.40525	0.54994
0.369	4.39077	0.54369
0.37	4.3773	0.53768
0.371	4.36477	0.5318
0.372	4.35314	0.5259
0.373	4.34232	0.51986
0.374	4.33222	0.51357
0.375	4.32269	0.50691
0.376	4.31355	0.4998
0.377	4.30459	0.4923
0.378	4.29569	0.48448
0.379	4.28679	0.47641
0.38	4.27783	0.46816
0.381	4.26875	0.4598
0.382	4.25954	0.45138
0.383	4.25016	0.44296
0.384	4.24061	0.43459
0.385	4.23088	0.42634
0.386	4.22096	0.41824
0.387	4.21087	0.41035
0.388	4.20062	0.40273
0.389	4.19023	0.39541
0.39	4.17972	0.38843
0.391	4.16913	0.38186
0.392	4.15851	0.37572
0.393	4.14791	0.37005
0.394	4.13742	0.36488
0.395	4.12715	0.36018
0.396	4.11714	0.3559
0.397	4.10743	0.35198
0.398	4.09804	0.34839
0.399	4.08901	0.34509
0.4	4.08034	0.34202
0.401	4.07203	0.33915
0.402	4.0641	0.33644
0.403	4.05655	0.33385
0.404	4.04937	0.33135
0.405	4.04256	0.32889
0.406	4.0361	0.32644
0.407	4.02999	0.32397
0.408	4.02421	0.32144
0.409	4.01874	0.31882
0.41	4.01356	0.31608
0.411	4.00863	0.3132
0.412	4.00393	0.31013
0.413	3.99942	0.30686
0.414	3.99503	0.30336
0.415	3.99071	0.29967
0.416	3.98643	0.29578
0.417	3.98216	0.29174
0.418	3.97788	0.28755
0.419	3.97357	0.28323
0.42	3.96923	0.2788
0.421	3.96483	0.27429
0.422	3.96037	0.26969
0.423	3.95584	0.26504
0.424	3.95124	0.26034
0.425	3.94656	0.25561
0.426	3.9418	0.25086
0.427	3.93696	0.24611
0.428	3.93203	0.24138
0.429	3.92703	0.23666
0.43	3.92194	0.23199
0.431	3.91677	0.22736
0.432	3.91153	0.2228
0.433	3.90622	0.21831
0.434	3.90085	0.2139
0.435	3.89543	0.20959
0.436	3.88997	0.20539
0.437	3.8845	0.20128
0.438	3.87901	0.19727
0.439	3.87351	0.19336
0.44	3.86802	0.18955
0.441	3.86253	0.18582
0.442	3.85705	0.18219
0.443	3.85158	0.17864
0.444	3.84613	0.17518
0.445	3.84069	0.1718
0.446	3.83528	0.16851
0.447	3.82989	0.16529
0.448	3.82452	0.16215
0.449	3.81918	0.15909
0.45	3.81387	0.15611
0.451	3.80859	0.1532
0.452	3.80334	0.15036
0.453	3.79812	0.14759
0.454	3.79293	0.14489
0.455	3.78778	0.14226
0.456	3.78266	0.13969
0.457	3.77758	0.13719
0.458	3.77254	0.13475
0.459	3.76753	0.13237
0.46	3.76256	0.13005
0.461	3.75763	0.12779
0.462	3.75274	0.12559
0.463	3.74789	0.12344
0.464	3.74309	0.12135
0.465	3.73832	0.11931
0.466	3.73359	0.11732
0.467	3.7289	0.11538
0.468	3.72426	0.11349
0.469	3.71966	0.11165
0.47	3.7151	0.10986
0.471	3.71058	0.10811
0.472	3.70611	0.10641
0.473	3.70168	0.10475
0.474	3.69729	0.10314
0.475	3.69294	0.10156
0.476	3.68864	0.10003
0.477	3.68438	0.09853
0.478	3.68016	0.09707
0.479	3.67599	0.09565
0.48	3.67186	0.09427
0.481	3.66777	0.09292
0.482	3.66372	0.0916
0.483	3.65972	0.09032
0.484	3.65576	0.08907
0.485	3.65185	0.08785
0.486	3.64797	0.08666
0.487	3.64415	0.0855
0.488	3.64036	0.08436
0.489	3.63662	0.08326
0.49	3.63292	0.08218
0.491	3.62927	0.08112
0.492	3.62565	0.08009
0.493	3.62209	0.07908
0.494	3.61856	0.07809
0.495	3.61508	0.07711
0.496	3.61164	0.07616
0.497	3.60824	0.07523
0.498	3.60488	0.07431
0.499	3.60156	0.0734
0.5	3.59828	0.07251
0.501	3.59504	0.07163
0.502	3.59184	0.07076
0.503	3.58868	0.06991
0.504	3.58555	0.06906
0.505	3.58246	0.06822
0.506	3.57941	0.06739
0.507	3.5764	0.06657
0.508	3.57341	0.06575
0.509	3.57046	0.06494
0.51	3.56755	0.06413
0.511	3.56466	0.06333
0.512	3.56181	0.06253
0.513	3.55898	0.06173
0.514	3.55619	0.06093
0.515	3.55342	0.06013
0.516	3.55068	0.05933
0.517	3.54796	0.05852
0.518	3.54526	0.05772
0.519	3.54258	0.05691
0.52	3.53993	0.05611
0.521	3.53728	0.0553
0.522	3.53466	0.05449
0.523	3.53204	0.05369
0.524	3.52945	0.05288
0.525	3.52686	0.05208
0.526	3.52429	0.05128
0.527	3.52173	0.05049
0.528	3.51918	0.0497
0.529	3.51664	0.04892
0.53	3.51411	0.04815
0.531	3.51159	0.04738
0.532	3.50908	0.04662
0.533	3.50659	0.04586
0.534	3.5041	0.04512
0.535	3.50162	0.04439
0.536	3.49915	0.04366
0.537	3.49669	0.04295
0.538	3.49425	0.04225
0.539	3.49181	0.04155
0.54	3.48938	0.04088
0.541	3.48696	0.04021
0.542	3.48455	0.03956
0.543	3.48215	0.03892
0.544	3.47976	0.0383
0.545	3.47739	0.03769
0.546	3.47502	0.0371
0.547	3.47267	0.03652
0.548	3.47033	0.03596
0.549	3.468	0.03541
0.55	3.46569	0.03489
0.551	3.46339	0.03438
0.552	3.4611	0.03389
0.553	3.45884	0.03341
0.554	3.45659	0.03296
0.555	3.45436	0.03252
0.556	3.45215	0.0321
0.557	3.44997	0.03169
0.558	3.4478	0.03129
0.559	3.44566	0.03091
0.56	3.44354	0.03055
0.561	3.44145	0.03019
0.562	3.43937	0.02985
0.563	3.43732	0.02951
0.564	3.43529	0.02918
0.565	3.43329	0.02887
0.566	3.4313	0.02856
0.567	3.42935	0.02825
0.568	3.42741	0.02796
0.569	3.4255	0.02766
0.57	3.4236	0.02738
0.571	3.42174	0.0271
0.572	3.41989	0.02682
0.573	3.41807	0.02654
0.574	3.41626	0.02626
0.575	3.41448	0.02599
0.576	3.41272	0.02572
0.577	3.41098	0.02545
0.578	3.40926	0.02517
0.579	3.40756	0.0249
0.58	3.40588	0.02462
0.581	3.40422	0.02434
0.582	3.40258	0.02406
0.583	3.40095	0.02378
0.584	3.39935	0.02349
0.585	3.39775	0.0232
0.586	3.39618	0.0229
0.587	3.39462	0.0226
0.588	3.39308	0.02229
0.589	3.39155	0.02197
0.59	3.39003	0.02165
0.591	3.38853	0.02132
0.592	3.38703	0.02098
0.593	3.38555	0.02064
0.594	3.38408	0.02028
0.595	3.38261	0.01992
0.596	3.38115	0.01955
0.597	3.37969	0.01918
0.598	3.37824	0.0188
0.599	3.37679	0.01841
0.6	3.37535	0.01802
0.601	3.3739	0.01762
0.602	3.37247	0.01723
0.603	3.37103	0.01682
0.604	3.3696	0.01642
0.605	3.36816	0.01601
0.606	3.36673	0.01561
0.607	3.3653	0.0152
0.608	3.36388	0.01479
0.609	3.36245	0.01438
0.61	3.36102	0.01397
0.611	3.3596	0.01356
0.612	3.35817	0.01315
0.613	3.35674	0.01274
0.614	3.35532	0.01234
0.615	3.3539	0.01194
0.616	3.35247	0.01154
0.617	3.35105	0.01114
0.618	3.34962	0.01075
0.619	3.3482	0.01036
0.62	3.34677	0.00997
0.621	3.34535	0.00959
0.622	3.34393	0.00922
0.623	3.34251	0.00885
0.624	3.34108	0.00848
0.625	3.33966	0.00813
0.626	3.33824	0.00777
0.627	3.33682	0.00743
0.628	3.33541	0.00709
0.629	3.33399	0.00676
0.63	3.33257	0.00644
0.631	3.33116	0.00612
0.632	3.32975	0.00581
0.633	3.32834	0.00552
0.634	3.32693	0.00523
0.635	3.32553	0.00495
0.636	3.32413	0.00467
0.637	3.32273	0.00441
0.638	3.32134	0.00416
0.639	3.31995	0.00392
0.64	3.31857	0.00369
0.641	3.31719	0.00347
0.642	3.31582	0.00326
0.643	3.31446	0.00305
0.644	3.3131	0.00286
0.645	3.31176	0.00268
0.646	3.31042	0.0025
0.647	3.30908	0.00233
0.648	3.30776	0.00217
0.649	3.30644	0.00202
0.65	3.30514	0.00188
0.651	3.30384	0.00174
0.652	3.30255	0.00161
0.653	3.30127	0.00149
0.654	3.29999	0.00137
0.655	3.29873	0.00126
0.656	3.29747	0.00116
0.657	3.29623	0.00106
0.658	3.29499	0.00097
0.659	3.29377	0.00089
0.66	3.29255	0.00081
0.661	3.29134	0.00073
0.662	3.29014	0.00066
0.663	3.28895	0.0006
0.664	3.28777	0.00054
0.665	3.2866	0.00048
0.666	3.28544	0.00043
0.667	3.28429	0.00038
0.668	3.28315	0.00033
0.669	3.28201	0.00029
0.67	3.28089	0.00026
0.671	3.27977	0.00022
0.672	3.27867	0.00019
0.673	3.27757	0.00017
0.674	3.27648	0.00014
0.675	3.27541	0.00012
0.676	3.27434	0.0001
0.677	3.27328	8e-05
0.678	3.27222	7e-05
0.679	3.27118	5e-05
0.68	3.27015	4e-05
0.681	3.26912	3e-05
0.682	3.26811	3e-05
0.683	3.2671	2e-05
0.684	3.2661	1e-05
0.685	3.26511	1e-05
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1.259	3.07613	0.0
1.26	3.07602	0.0
1.261	3.07592	0.0
1.262	3.07581	0.0
1.263	3.07571	0.0
1.264	3.0756	0.0
1.265	3.0755	0.0
1.266	3.07539	0.0
1.267	3.07529	0.0
1.268	3.07518	0.0
1.269	3.07508	0.0
1.27	3.07498	0.0
1.271	3.07488	0.0
1.272	3.07477	0.0
1.273	3.07467	0.0
1.274	3.07457	0.0
1.275	3.07447	0.0
1.276	3.07436	0.0
1.277	3.07426	0.0
1.278	3.07416	0.0
1.279	3.07406	0.0
1.28	3.07396	0.0
1.281	3.07386	0.0
1.282	3.07376	0.0
1.283	3.07366	0.0
1.284	3.07356	0.0
1.285	3.07346	0.0
1.286	3.07336	0.0
1.287	3.07326	0.0
1.288	3.07317	0.0
1.289	3.07307	0.0
1.29	3.07297	0.0
1.291	3.07287	0.0
1.292	3.07277	0.0
1.293	3.07268	0.0
1.294	3.07258	0.0
1.295	3.07248	0.0
1.296	3.07239	0.0
1.297	3.07229	0.0
1.298	3.07219	0.0
1.299	3.0721	0.0
1.3	3.072	0.0
1.301	3.07191	0.0
1.302	3.07181	0.0
1.303	3.07172	0.0
1.304	3.07162	0.0
1.305	3.07153	0.0
1.306	3.07143	0.0
1.307	3.07134	0.0
1.308	3.07124	0.0
1.309	3.07115	0.0
1.31	3.07106	0.0
1.311	3.07096	0.0
1.312	3.07087	0.0
1.313	3.07078	0.0
1.314	3.07069	0.0
1.315	3.07059	0.0
1.316	3.0705	0.0
1.317	3.07041	0.0
1.318	3.07032	0.0
1.319	3.07023	0.0
1.32	3.07014	0.0
1.321	3.07005	0.0
1.322	3.06996	0.0
1.323	3.06987	0.0
1.324	3.06977	0.0
1.325	3.06968	0.0
1.326	3.0696	0.0
1.327	3.06951	0.0
1.328	3.06942	0.0
1.329	3.06933	0.0
1.33	3.06924	0.0
1.331	3.06915	0.0
1.332	3.06906	0.0
1.333	3.06897	0.0
1.334	3.06888	0.0
1.335	3.0688	0.0
1.336	3.06871	0.0
1.337	3.06862	0.0
1.338	3.06853	0.0
1.339	3.06845	0.0
1.34	3.06836	0.0
1.341	3.06827	0.0
1.342	3.06819	0.0
1.343	3.0681	0.0
1.344	3.06802	0.0
1.345	3.06793	0.0
1.346	3.06784	0.0
1.347	3.06776	0.0
1.348	3.06767	0.0
1.349	3.06759	0.0
1.35	3.06751	0.0
1.351	3.06743	0.0
1.352	3.06736	0.0
1.353	3.06728	0.0
1.354	3.0672	0.0
1.355	3.06712	0.0
1.356	3.06705	0.0
1.357	3.06697	0.0
1.358	3.06689	0.0
1.359	3.06681	0.0
1.36	3.06673	0.0
1.361	3.06666	0.0
1.362	3.06658	0.0
1.363	3.0665	0.0
1.364	3.06642	0.0
1.365	3.06635	0.0
1.366	3.06627	0.0
1.367	3.06619	0.0
1.368	3.06611	0.0
1.369	3.06604	0.0
1.37	3.06596	0.0
1.371	3.06588	0.0
1.372	3.0658	0.0
1.373	3.06573	0.0
1.374	3.06565	0.0
1.375	3.06557	0.0
1.376	3.06549	0.0
1.377	3.06541	0.0
1.378	3.06534	0.0
1.379	3.06526	0.0
1.38	3.06518	0.0
1.381	3.0651	0.0
1.382	3.06503	0.0
1.383	3.06495	0.0
1.384	3.06487	0.0
1.385	3.06479	0.0
1.386	3.06472	0.0
1.387	3.06464	0.0
1.388	3.06456	0.0
1.389	3.06448	0.0
1.39	3.0644	0.0
1.391	3.06433	0.0
1.392	3.06425	0.0
1.393	3.06417	0.0
1.394	3.06409	0.0
1.395	3.06402	0.0
1.396	3.06394	0.0
1.397	3.06386	0.0
1.398	3.06378	0.0
1.399	3.06371	0.0
1.4	3.06363	0.0
1.401	3.06355	0.0
1.402	3.06347	0.0
1.403	3.06339	0.0
1.404	3.06332	0.0
1.405	3.06324	0.0
1.406	3.06316	0.0
1.407	3.06308	0.0
1.408	3.06301	0.0
1.409	3.06293	0.0
1.41	3.06285	0.0
1.411	3.06277	0.0
1.412	3.0627	0.0
1.413	3.06262	0.0
1.414	3.06254	0.0
1.415	3.06246	0.0
1.416	3.06238	0.0
1.417	3.06231	0.0
1.418	3.06223	0.0
1.419	3.06215	0.0
1.42	3.06207	0.0
1.421	3.062	0.0
1.422	3.06192	0.0
1.423	3.06184	0.0
1.424	3.06176	0.0
1.425	3.06169	0.0
1.426	3.06161	0.0
1.427	3.06154	0.0
1.428	3.06147	0.0
1.429	3.0614	0.0
1.43	3.06133	0.0
1.431	3.06125	0.0
1.432	3.06118	0.0
1.433	3.06111	0.0
1.434	3.06104	0.0
1.435	3.06097	0.0
1.436	3.06091	0.0
1.437	3.06084	0.0
1.438	3.06077	0.0
1.439	3.0607	0.0
1.44	3.06063	0.0
1.441	3.06056	0.0
1.442	3.06049	0.0
1.443	3.06042	0.0
1.444	3.06035	0.0
1.445	3.06029	0.0
1.446	3.06022	0.0
1.447	3.06015	0.0
1.448	3.06008	0.0
1.449	3.06001	0.0
1.45	3.05995	0.0
1.451	3.05988	0.0
1.452	3.05981	0.0
1.453	3.05975	0.0
1.454	3.05968	0.0
1.455	3.05961	0.0
1.456	3.05955	0.0
1.457	3.05948	0.0
1.458	3.05941	0.0
1.459	3.05935	0.0
1.46	3.05928	0.0
1.461	3.05921	0.0
1.462	3.05915	0.0
1.463	3.05908	0.0
1.464	3.05902	0.0
1.465	3.05895	0.0
1.466	3.05889	0.0
1.467	3.05882	0.0
1.468	3.05876	0.0
1.469	3.05869	0.0
1.47	3.05863	0.0
1.471	3.05856	0.0
1.472	3.0585	0.0
1.473	3.05844	0.0
1.474	3.05837	0.0
1.475	3.05831	0.0
1.476	3.05824	0.0
1.477	3.05818	0.0
1.478	3.05812	0.0
1.479	3.05805	0.0
1.48	3.05799	0.0
1.481	3.05793	0.0
1.482	3.05786	0.0
1.483	3.0578	0.0
1.484	3.05774	0.0
1.485	3.05768	0.0
1.486	3.05761	0.0
1.487	3.05755	0.0
1.488	3.05749	0.0
1.489	3.05743	0.0
1.49	3.05736	0.0
1.491	3.0573	0.0
1.492	3.05724	0.0
1.493	3.05718	0.0
1.494	3.05712	0.0
1.495	3.05706	0.0
1.496	3.057	0.0
1.497	3.05694	0.0
1.498	3.05687	0.0
1.499	3.05681	0.0
1.5	3.05675	0.0
1.501	3.05669	0.0
1.502	3.05663	0.0
1.503	3.05657	0.0
1.504	3.05651	0.0
1.505	3.05645	0.0
1.506	3.05639	0.0
1.507	3.05633	0.0
1.508	3.05627	0.0
1.509	3.05621	0.0
1.51	3.05615	0.0
1.511	3.05609	0.0
1.512	3.05604	0.0
1.513	3.05598	0.0
1.514	3.05592	0.0
1.515	3.05586	0.0
1.516	3.0558	0.0
1.517	3.05574	0.0
1.518	3.05568	0.0
1.519	3.05563	0.0
1.52	3.05557	0.0
1.521	3.05551	0.0
1.522	3.05545	0.0
1.523	3.05539	0.0
1.524	3.05534	0.0
1.525	3.05528	0.0
1.526	3.05522	0.0
1.527	3.05516	0.0
1.528	3.05511	0.0
1.529	3.05505	0.0
1.53	3.05499	0.0
1.531	3.05494	0.0
1.532	3.05488	0.0
1.533	3.05482	0.0
1.534	3.05477	0.0
1.535	3.05471	0.0
1.536	3.05465	0.0
1.537	3.0546	0.0
1.538	3.05454	0.0
1.539	3.05449	0.0
1.54	3.05443	0.0
1.541	3.05437	0.0
1.542	3.05432	0.0
1.543	3.05426	0.0
1.544	3.05421	0.0
1.545	3.05415	0.0
1.546	3.0541	0.0
1.547	3.05404	0.0
1.548	3.05399	0.0
1.549	3.05393	0.0
1.55	3.05388	0.0
1.551	3.05382	0.0
1.552	3.05377	0.0
1.553	3.05371	0.0
1.554	3.05366	0.0
1.555	3.05361	0.0
1.556	3.05355	0.0
1.557	3.0535	0.0
1.558	3.05345	0.0
1.559	3.05339	0.0
1.56	3.05334	0.0
1.561	3.05328	0.0
1.562	3.05323	0.0
1.563	3.05318	0.0
1.564	3.05312	0.0
1.565	3.05307	0.0
1.566	3.05302	0.0
1.567	3.05297	0.0
1.568	3.05291	0.0
1.569	3.05286	0.0
1.57	3.05281	0.0
1.571	3.05276	0.0
1.572	3.0527	0.0
1.573	3.05265	0.0
1.574	3.0526	0.0
1.575	3.05255	0.0
1.576	3.0525	0.0
1.577	3.05244	0.0
1.578	3.05239	0.0
1.579	3.05234	0.0
1.58	3.05229	0.0
1.581	3.05224	0.0
1.582	3.05219	0.0
1.583	3.05214	0.0
1.584	3.05208	0.0
1.585	3.05203	0.0
1.586	3.05198	0.0
1.587	3.05193	0.0
1.588	3.05188	0.0
1.589	3.05183	0.0
1.59	3.05178	0.0
1.591	3.05173	0.0
1.592	3.05168	0.0
1.593	3.05163	0.0
1.594	3.05158	0.0
1.595	3.05153	0.0
1.596	3.05148	0.0
1.597	3.05143	0.0
1.598	3.05138	0.0
1.599	3.05133	0.0
1.6	3.05128	0.0
1.601	3.05123	0.0
1.602	3.05118	0.0
1.603	3.05113	0.0
1.604	3.05108	0.0
1.605	3.05104	0.0
1.606	3.05099	0.0
1.607	3.05094	0.0
1.608	3.05089	0.0
1.609	3.05084	0.0
1.61	3.05079	0.0
1.611	3.05074	0.0
1.612	3.0507	0.0
1.613	3.05065	0.0
1.614	3.0506	0.0
1.615	3.05055	0.0
1.616	3.0505	0.0
1.617	3.05046	0.0
1.618	3.05041	0.0
1.619	3.05036	0.0
1.62	3.05031	0.0
1.621	3.05027	0.0
1.622	3.05022	0.0
1.623	3.05017	0.0
1.624	3.05012	0.0
1.625	3.05008	0.0
1.626	3.05003	0.0
1.627	3.04998	0.0
1.628	3.04994	0.0
1.629	3.04989	0.0
1.63	3.04984	0.0
1.631	3.0498	0.0
1.632	3.04975	0.0
1.633	3.0497	0.0
1.634	3.04966	0.0
1.635	3.04961	0.0
1.636	3.04956	0.0
1.637	3.04952	0.0
1.638	3.04947	0.0
1.639	3.04943	0.0
1.64	3.04938	0.0
1.641	3.04933	0.0
1.642	3.04929	0.0
1.643	3.04924	0.0
1.644	3.0492	0.0
1.645	3.04915	0.0
1.646	3.04911	0.0
1.647	3.04906	0.0
1.648	3.04902	0.0
1.649	3.04897	0.0
1.65	3.04893	0.0
1.651	3.04888	0.0
1.652	3.04884	0.0
1.653	3.04879	0.0
1.654	3.04875	0.0
1.655	3.0487	0.0
1.656	3.04866	0.0
1.657	3.04862	0.0
1.658	3.04857	0.0
1.659	3.04853	0.0
1.66	3.04848	0.0
1.661	3.04844	0.0
1.662	3.0484	0.0
1.663	3.04835	0.0
1.664	3.04831	0.0
1.665	3.04826	0.0
1.666	3.04822	0.0
1.667	3.04818	0.0
1.668	3.04813	0.0
1.669	3.04809	0.0
1.67	3.04805	0.0
1.671	3.048	0.0
1.672	3.04796	0.0
1.673	3.04792	0.0
1.674	3.04787	0.0
1.675	3.04783	0.0
1.676	3.04779	0.0
1.677	3.04775	0.0
1.678	3.0477	0.0
1.679	3.04766	0.0
1.68	3.04762	0.0
1.681	3.04758	0.0
1.682	3.04753	0.0
1.683	3.04749	0.0
1.684	3.04745	0.0
1.685	3.04741	0.0
1.686	3.04737	0.0
1.687	3.04732	0.0
1.688	3.04728	0.0
1.689	3.04724	0.0
1.69	3.0472	0.0
1.691	3.04716	0.0
1.692	3.04712	0.0
1.693	3.04707	0.0
1.694	3.04703	0.0
1.695	3.04699	0.0
1.696	3.04695	0.0
1.697	3.04691	0.0
1.698	3.04687	0.0
1.699	3.04683	0.0
1.7	3.04679	0.0

Optical transmission calculator

Free-standing sample in vacuum, normal incidence

Transmittance T: —
Reflectance R: —

Fresnel reflection calculator

R_p: —
R_s: —
R = (R_p+R_s)/2: —
Phase φ_p: —
Phase φ_s: —
Brewster angle θ_B: —
Critical angle θ_C: —

GaP (Gallium phosphide): all datasets

Experimental data

Models and simulations

Adachi 1989: n,k 0.207–12.4 µm n,k 0.2066–12.4 µm

About GaP (Gallium phosphide)

Gallium phosphide (GaP) is a binary III-V semiconductor with a direct bandgap of 2.26 eV, making it useful in specific optoelectronic applications. It is commonly employed in red, orange, and green light-emitting diodes (LEDs). One of the notable advantages of GaP is its high thermal conductivity, which allows for better heat dissipation in electronic devices. While it does not exhibit the same level of efficiency as materials like GaAs in high-frequency applications, GaP is used as a substrate material for other III-V semiconductors, such as GaAs and InP, to form heterostructure devices. It also finds applications in photonic integrated circuits and is sometimes used in combination with other semiconductors to engineer desired electronic or optical properties.

More about GaP (Gallium phosphide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/GaP/nk/Khmelevskaia.yml
ID: ds_bc7df8199e8c
API: /v1/datasets/ds_bc7df8199e8c

Plot