Optical constants

Refractive index of SiC (Silicon carbide)

Larruquert et al. 2011: Thin film; n,k 0.006154–131.7 µm

Data: tabulated nk
Range: 0.006154–131.7 µm
Points: 508
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 3.41268
Extinction coefficient k: 0.323858

Permittivity ε₁: 11.5415
Permittivity ε₂: 2.21045

Absorption coefficient α: 69260.1 cm⁻¹
Penetration depth δ = λ/(2πk): 288.767 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.483737 µm⁻¹

Group index n_g: 3.69692
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

# SiC (Silicon carbide): Larruquert et al. 2011: Thin film; n,k 0.006154–131.7 µm
sic = ls.fetch_refractiveindex("main", "SiC", "Larruquert", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(sic.range_nm)  # (6.15447, 131725) nm
eps = sic.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_f925acfd7a3f/lightsmith"
sic = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(sic.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (sic/larruquert-2011).

# ... load sic as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=sic)],
    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.

Comments and conditions

Density: 2.98 g/cm³. Film deposited at room temperature.

References

J. I. Larruquert, A. P. Pérez-Marín, S. García-Cortés, L. Rodríguez-de Marcos, J. A. Aznárez, J. A. Méndez. Self-consistent optical constants of SiC thin films. J. Opt. Soc. Am. A 28, 2340-2345 (2011) (Numerical data kindly provided by Juan Larruquert)

doi:10.1364/josaa.28.002340 Self-consistent optical constants of SiC thin films, Journal of the Optical Society of America A (2011)

Cite

Juan I. Larruquert et al.. Self-consistent optical constants of SiC thin films. Journal of the Optical Society of America A, 28, 2340 (2011), doi:10.1364/josaa.28.002340; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

508 rows as published

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

SiC (Silicon carbide), Larruquert et al. 2011: Thin film; n,k 0.006154–131.7 µm: n and k versus wavelength
λ (µm)	n	k
0.00615447	0.99066944	0.006999813
0.006197871	0.99057737	0.007129969
0.006241578	0.99048697	0.007262762
0.006285593	0.99039731	0.007398043
0.006329918	0.99030815	0.007535862
0.006374556	0.99021939	0.007676256
0.006419509	0.99013098	0.007819274
0.006464779	0.99004291	0.007964981
0.006510368	0.98995529	0.00811343
0.006556279	0.98986888	0.008264665
0.006602513	0.98978236	0.008415588
0.006649073	0.9896939	0.008568564
0.006695962	0.98960346	0.008723644
0.006743181	0.98950972	0.008880329
0.006790734	0.98941107	0.009039841
0.006838622	0.98930577	0.009202227
0.006886847	0.98919329	0.009367536
0.006935413	0.98902742	0.009509631
0.006984321	0.98884164	0.009773624
0.007033573	0.98868008	0.010052269
0.007083173	0.98852488	0.010402748
0.007133123	0.98846412	0.010861947
0.007183426	0.9885054	0.011269102
0.007234082	0.98863714	0.011694434
0.007285097	0.98885037	0.012004526
0.00733647	0.98908109	0.01223417
0.007388207	0.98929609	0.012367365
0.007440308	0.98943692	0.012434636
0.007492777	0.9895399	0.012561458
0.007545615	0.98968194	0.012685157
0.007598826	0.98982809	0.012723997
0.007652412	0.98992419	0.012715817
0.007706377	0.98995536	0.012686032
0.007760721	0.98991291	0.012670371
0.007815449	0.98988377	0.012751205
0.007870563	0.98980692	0.012694764
0.007926066	0.98964519	0.012777595
0.007981959	0.9894181	0.012855711
0.008038247	0.98917796	0.013201276
0.008094932	0.98920294	0.013739611
0.008152017	0.98953254	0.014070478
0.008209504	0.98973919	0.013912822
0.008267397	0.98965255	0.013903821
0.008325698	0.98959946	0.014124355
0.008384411	0.98964703	0.014268603
0.008443537	0.98969219	0.014374116
0.00850308	0.98972596	0.014456296
0.008563044	0.98972566	0.014499269
0.008623429	0.98967568	0.014547607
0.00868424	0.9895433	0.014593758
0.008745482	0.98941116	0.014816417
0.008807154	0.9893829	0.015035778
0.008869262	0.98933735	0.015140553
0.008931806	0.98922369	0.015301626
0.008994792	0.98904231	0.015475674
0.009058223	0.98884568	0.015842797
0.009122101	0.98872115	0.016300781
0.009186429	0.98875575	0.01692386
0.009251211	0.98902639	0.017508434
0.00931645	0.98948856	0.017958088
0.009382149	0.9899685	0.01810828
0.009448311	0.99036534	0.018196546
0.00951494	0.99069666	0.018181913
0.00958204	0.99091783	0.018135946
0.00964961	0.99108923	0.018163275
0.009717658	0.99123069	0.018168241
0.009786187	0.99136607	0.018265454
0.009855197	0.99153413	0.018347394
0.009924696	0.99170984	0.018442789
0.009994684	0.9919093	0.018555243
0.010065166	0.99216441	0.018686509
0.010136144	0.9924828	0.018773262
0.010207624	0.99284129	0.018800311
0.010279608	0.99318561	0.018731983
0.010352099	0.99348266	0.018664815
0.0104251	0.99388733	0.018705219
0.010498617	0.99441141	0.018516166
0.010572653	0.99489425	0.018146351
0.010647209	0.99523429	0.017595178
0.010722293	0.99537005	0.01701265
0.010797907	0.9953442	0.016495785
0.010874052	0.99518633	0.016071914
0.010950735	0.99505438	0.015910318
0.011027959	0.99507059	0.015748844
0.011105728	0.99516019	0.015508306
0.011184044	0.99521117	0.015133829
0.011262913	0.99511715	0.014733582
0.011342338	0.99494182	0.014512014
0.011422323	0.99500206	0.014536046
0.011502872	0.99520036	0.014162713
0.011583989	0.99538998	0.013809335
0.011665679	0.99564813	0.013129713
0.011747944	0.99528282	0.011766585
0.01183079	0.99414751	0.011132922
0.01191422	0.99299362	0.011363567
0.011998238	0.99232377	0.012251074
0.012082849	0.99240007	0.013402663
0.012168056	0.99282608	0.014362291
0.012253864	0.99654134	0.01758486
0.012340278	1.0013468	0.012777018
0.012427301	1.0002086	0.005377036
0.012514937	0.99618377	0.003833516
0.012603191	0.99367097	0.00387369
0.012692067	0.9920878	0.003915002
0.01278157	0.99083359	0.003966874
0.012871706	0.98976482	0.004021125
0.012962476	0.98881312	0.004078125
0.013053886	0.98794247	0.004137378
0.013145941	0.98713035	0.00419786
0.013238644	0.98636165	0.004259595
0.013332003	0.98562597	0.004322616
0.013426018	0.98491555	0.004386949
0.013520698	0.98422376	0.004452623
0.013616045	0.98354738	0.004523191
0.013712064	0.98288476	0.004596364
0.01380876	0.98223269	0.004672089
0.013906139	0.98158939	0.004750569
0.014004203	0.98095312	0.004830612
0.01410296	0.98032141	0.004912257
0.014202413	0.97969267	0.004995532
0.014302568	0.97906532	0.005080472
0.014403427	0.97843783	0.005167109
0.014504999	0.97780836	0.005255491
0.014607287	0.97717328	0.00534565
0.014710296	0.97653084	0.005444316
0.014814033	0.97588881	0.005558488
0.0149185	0.97525029	0.005675133
0.015023704	0.97461099	0.005795411
0.01512965	0.97396924	0.00591825
0.015236343	0.97332265	0.006043703
0.015343789	0.97266511	0.006171827
0.015451992	0.97200358	0.006321109
0.015560957	0.97134534	0.006473311
0.015670692	0.97067693	0.006624836
0.015781202	0.97000109	0.006799735
0.015892489	0.96932903	0.006988098
0.016004561	0.9686659	0.007190591
0.016117424	0.96800901	0.007390552
0.016231083	0.96735281	0.007596639
0.016345544	0.96670075	0.007807605
0.01646081	0.9660525	0.008018971
0.016576891	0.9654077	0.008231141
0.01669379	0.96476436	0.008437887
0.016811514	0.96411605	0.008638679
0.016930068	0.9634591	0.008839057
0.017049457	0.96279487	0.009043717
0.017169688	0.96212629	0.009253821
0.017290767	0.96145607	0.009468954
0.0174127	0.96078766	0.009687986
0.017535493	0.96012235	0.009904084
0.017659151	0.95945418	0.010110543
0.017783683	0.95877935	0.010313222
0.017909092	0.95809599	0.010507727
0.018035387	0.95739614	0.010695491
0.018162569	0.95668098	0.010890902
0.018290651	0.9559565	0.011090261
0.018419635	0.9552241	0.011293607
0.018549528	0.95448122	0.01149628
0.018680338	0.95372878	0.011707797
0.01881207	0.95297305	0.011923809
0.018944732	0.95221607	0.01213899
0.019078326	0.95144874	0.01234091
0.019212866	0.95066396	0.012544226
0.019348355	0.94986519	0.012749935
0.019484797	0.94905454	0.012959245
0.019622203	0.94822918	0.013167242
0.019760576	0.94739026	0.013385087
0.019899927	0.94654563	0.013607529
0.02004026	0.94568616	0.013820564
0.020181583	0.94481331	0.014048632
0.020323899	0.94393367	0.014271155
0.020467223	0.94303767	0.014489305
0.020611556	0.94212183	0.014707213
0.020756907	0.94118314	0.014926632
0.020903282	0.94022095	0.015155989
0.021050692	0.93924287	0.015402066
0.02119914	0.93825582	0.015658127
0.021348634	0.93725895	0.015918341
0.021499182	0.93625348	0.016183067
0.021650794	0.93522558	0.016434187
0.021803473	0.93417435	0.016708072
0.02195723	0.93311222	0.016986758
0.022112071	0.93203467	0.017270319
0.022268003	0.93094051	0.017558829
0.022425035	0.92982871	0.017852376
0.022583174	0.92869819	0.01815104
0.022742428	0.9275471	0.018454825
0.022902806	0.92637294	0.0187654
0.023064316	0.92517519	0.019087178
0.023226964	0.92395467	0.01942202
0.023390758	0.92271315	0.019774146
0.023555708	0.92146063	0.020148021
0.02372182	0.92019115	0.020520582
0.023889104	0.91890317	0.020918718
0.024057569	0.91760601	0.021326035
0.024227221	0.916295	0.021741645
0.024398068	0.91496839	0.022165583
0.024570122	0.91362513	0.022598029
0.024743389	0.91226446	0.023039158
0.024917878	0.91088575	0.023489153
0.025093597	0.90948845	0.023948209
0.025270554	0.90807204	0.024416498
0.02544876	0.90663604	0.024894196
0.025628224	0.90517999	0.025381512
0.025808949	0.90370378	0.025878633
0.025990951	0.90220966	0.026385782
0.02617424	0.90068736	0.026889661
0.026358819	0.89913613	0.027417375
0.026544698	0.8975648	0.027955385
0.026731889	0.895969	0.028503451
0.026920399	0.89434621	0.029061496
0.027110241	0.89269146	0.029628878
0.027301418	0.89099647	0.03021047
0.027493947	0.88926235	0.030825811
0.027687832	0.88750657	0.031484552
0.027883085	0.88574141	0.03217181
0.028079712	0.88396473	0.032877888
0.028277731	0.88217311	0.033601979
0.028477142	0.88036705	0.03434272
0.028677961	0.87853705	0.035089647
0.028880195	0.8766822	0.035864933
0.029083857	0.87480977	0.036658144
0.029288953	0.87291711	0.037469679
0.029495495	0.87100364	0.03829997
0.029703496	0.86906913	0.039149503
0.029912962	0.86711373	0.040018763
0.030123905	0.86513773	0.040908209
0.030336339	0.86314167	0.041818308
0.030550267	0.86112673	0.042749529
0.030765704	0.85909496	0.043702465
0.030982665	0.85705307	0.044677945
0.031201147	0.85500555	0.045662516
0.031421177	0.8529447	0.046642797
0.031642758	0.85085362	0.047613602
0.031865897	0.84872458	0.048591337
0.032090614	0.84655412	0.049573044
0.032316916	0.84433901	0.050572594
0.032544813	0.84208383	0.051593589
0.032774317	0.83979089	0.052636388
0.033005437	0.83746093	0.053701463
0.03323819	0.83509407	0.054789239
0.033472583	0.83269018	0.055900142
0.033708628	0.83024892	0.057034683
0.033946337	0.82776983	0.058193397
0.034185724	0.82525228	0.0593768
0.034426799	0.82269557	0.060585388
0.034669571	0.82009965	0.061819656
0.034914063	0.81745758	0.063074411
0.03516027	0.81476728	0.064365738
0.035408219	0.81203228	0.065692126
0.035657918	0.80925639	0.06706204
0.035909374	0.80644746	0.068472216
0.036162603	0.80360596	0.06991495
0.036417617	0.80072841	0.071389078
0.036674433	0.79781264	0.072895314
0.036933057	0.79485754	0.07443418
0.037193508	0.79186204	0.076006369
0.037455789	0.78882547	0.077612459
0.037719926	0.785747	0.079253095
0.037985925	0.78262709	0.080928718
0.038253796	0.77946052	0.08263394
0.038523564	0.77624562	0.084380881
0.038795226	0.77298332	0.086164006
0.039068808	0.76967063	0.087990453
0.039344314	0.76631349	0.089866427
0.039621771	0.76291772	0.091786655
0.039901182	0.75948444	0.093746348
0.040182558	0.75601435	0.095741427
0.040465923	0.75250731	0.097763643
0.040751285	0.74896221	0.099801267
0.041038659	0.74539018	0.101827646
0.041328062	0.74150533	0.10362825
0.042460338	0.72661559	0.113
0.043656404	0.71055038	0.122
0.044782512	0.69404695	0.131299502
0.046074556	0.67415448	0.14330166
0.04750352	0.65139108	0.158
0.048951653	0.62483006	0.172766634
0.050400076	0.59847603	0.197
0.052094196	0.57296097	0.224
0.053910821	0.53552479	0.243802601
0.055350084	0.50100953	0.28
0.05687348	0.47194511	0.32
0.058333748	0.44056609	0.359345938
0.059895743	0.42089596	0.43
0.061992094	0.42056808	0.5
0.064575098	0.42245526	0.57
0.067382711	0.42384595	0.64
0.070445561	0.42168082	0.71
0.073416619	0.42042534	0.786108209
0.077008812	0.41730209	0.87
0.079989798	0.4184842	0.96
0.083210864	0.4327285	1.05
0.086501757	0.45223234	1.143103312
0.089197257	0.47263116	1.22
0.09189563	0.50043575	1.301024583
0.094644418	0.53841536	1.38
0.097625344	0.58714863	1.46
0.100800152	0.64963031	1.54
0.104681107	0.7233664	1.609466637
0.108758059	0.79543533	1.69
0.113371244	0.88839747	1.775842976
0.119863867	1.0268995	1.869965157
0.12781875	1.1858477	1.95
0.137760208	1.3677286	2.04
0.149030741	1.564155	2.128020138
0.154824162	1.6717922	2.185783427
0.159818489	1.7774839	2.223927998
0.164812817	1.8868331	2.251654063
0.169807145	1.997798	2.269715437
0.174801474	2.1094467	2.277826798
0.179795801	2.2166503	2.272524898
0.184790127	2.3130627	2.26216472
0.19034382	2.4275135	2.266644771
0.195737693	2.5546254	2.246368988
0.201890706	2.6792912	2.181084077
0.20804372	2.7743042	2.11993073
0.214206718	2.8564306	2.063767197
0.220359729	2.9299705	2.010589999
0.226512744	2.9986569	1.962455817
0.232675743	3.0656025	1.915363583
0.238828757	3.1308859	1.868300053
0.244981768	3.1953921	1.820116136
0.251134778	3.2592396	1.768408073
0.257297781	3.3212387	1.710910526
0.263450793	3.3773939	1.645406681
0.269603805	3.4231566	1.574724484
0.275766805	3.458462	1.505003297
0.281919815	3.4851767	1.437388964
0.288072825	3.5039752	1.373241195
0.294225837	3.5171971	1.315458562
0.300388841	3.5280436	1.262939901
0.306541853	3.5370883	1.213536537
0.31269486	3.544201	1.167685697
0.318857862	3.5510013	1.125813326
0.325020863	3.5581008	1.085244498
0.331173878	3.5642136	1.045569768
0.337326888	3.5695972	1.008307278
0.343479899	3.5762999	0.973062249
0.349632913	3.5856439	0.936567855
0.355795913	3.5936786	0.892652532
0.36194892	3.5919315	0.843207961
0.36810194	3.5791865	0.80060587
0.37426494	3.5636482	0.769747057
0.380417954	3.5510396	0.745028354
0.386580948	3.5410021	0.722577675
0.392733962	3.532574	0.701999197
0.398876978	3.5254215	0.68256958
0.405039978	3.5189385	0.663751268
0.411192998	3.5127088	0.645834016
0.417346006	3.5066925	0.629067772
0.423518999	3.5013541	0.613633422
0.42967201	3.4969124	0.59869744
0.435825025	3.4928288	0.583891851
0.441988027	3.4888334	0.569542066
0.448131044	3.4849406	0.555725725
0.454294049	3.4812111	0.542556889
0.46043707	3.4780215	0.530097196
0.466600073	3.4754387	0.517591068
0.472763076	3.4728205	0.50456775
0.478926062	3.4696288	0.491721633
0.485079089	3.4662185	0.479719053
0.491232102	3.4629485	0.468150355
0.497385095	3.4597277	0.456854865
0.503538121	3.4565516	0.445935685
0.509691132	3.4533993	0.435204451
0.515844145	3.450185	0.424759625
0.521997144	3.4469546	0.414641827
0.52817015	3.4436978	0.404736789
0.534323144	3.4403908	0.395144088
0.540476158	3.437019	0.385874485
0.546629171	3.4336912	0.377029425
0.552782195	3.4304673	0.368412981
0.558945187	3.4272675	0.359993467
0.565108184	3.4241282	0.351845968
0.571261194	3.4210106	0.343808609
0.577414214	3.4178021	0.335996242
0.583567237	3.4146264	0.328573505
0.589740215	3.4116403	0.32135559
0.595893212	3.4087608	0.31411012
0.602036246	3.4056437	0.306829415
0.608179276	3.4024221	0.30014661
0.614342279	3.3995084	0.293713987
0.620495299	3.3966721	0.287007805
0.626648289	3.3935931	0.28036713
0.632831265	3.3901042	0.273804061
0.63896431	3.3864576	0.268112464
0.64512732	3.3833437	0.26308046
0.651300292	3.3806194	0.257573122
0.657453303	3.3776438	0.251967266
0.663586345	3.3745261	0.246817482
0.669759337	3.3714774	0.241879902
0.675892361	3.3685981	0.237231098
0.682075361	3.3659485	0.232655162
0.688218388	3.3633597	0.227880847
0.694391355	3.3605071	0.223130589
0.700514421	3.3575725	0.218871533
0.706677388	3.3549639	0.215026567
0.712860397	3.3526664	0.210903271
0.719023392	3.35022	0.206584233
0.725166404	3.3478155	0.202692558
0.731339397	3.3454166	0.198404345
0.737472418	3.3426017	0.194260025
0.743635438	3.3398461	0.190920981
0.749798435	3.3375157	0.187554023
0.75593145	3.3354128	0.184130705
0.762124441	3.3332146	0.180340223
0.76826747	3.3308213	0.17675439
0.77442045	3.3285119	0.173390766
0.780563476	3.3261336	0.169761101
0.786716523	3.3235731	0.166420478
0.792859539	3.3208871	0.163109514
0.799052483	3.3181924	0.160261318
0.805175519	3.3154559	0.157304793
0.811348519	3.312627	0.155055655
0.817511506	3.3106483	0.153436394
0.823654573	3.3088085	0.150532466
0.829837503	3.3067164	0.148440772
0.836000532	3.3054404	0.146356437
0.842133591	3.3036976	0.142534797
0.848306571	3.3006158	0.139569087
0.854449572	3.2977639	0.138212489
0.860572629	3.2960116	0.137102545
0.866775592	3.2949597	0.135344173
0.872878634	3.2939944	0.132734367
0.87908163	3.2915573	0.128896397
0.885234599	3.2883094	0.127586051
0.891357663	3.2867029	0.12741049
0.897550623	3.2854071	0.125293808
0.903713632	3.2845351	0.124954776
0.909816695	3.284888	0.122765757
0.916009653	3.2838174	0.118537036
0.922152706	3.2813677	0.115964092
0.928295714	3.2793021	0.114307121
0.934468713	3.2776645	0.112573589
0.940641712	3.2769431	0.111264017
0.946754729	3.2759563	0.107485833
0.95294772	3.2729617	0.104046159
1.04909367	3.2471036	0.086479163
1.165526725	3.2279197	0.070064855
1.311030739	3.2091931	0.051542848
1.498778544	3.1887812	0.036035702
1.748290137	3.1688938	0.023596411
1.896942515	3.1585844	0.017489099
2.091965336	3.1462222	0.012649009
2.318585853	3.1341906	0.010069443
2.620940933	3.1214891	0.008760318
2.976064527	3.1089715	0.008258406
3.496580273	3.092332	0.009033507
3.783916877	3.0828621	0.009777273
4.031624304	3.0742951	0.011163108
4.295547504	3.0649262	0.013196731
4.692441882	3.0505027	0.017375613
5.100478351	3.0345694	0.022382774
5.596839199	3.0129066	0.030369106
6.262265374	2.9802779	0.045736409
6.985195831	2.9390925	0.068853617
7.468926954	2.9051132	0.089396222
8.000270201	2.8636822	0.123167539
8.377309962	2.831801	0.154550465
8.731280805	2.8011358	0.191456967
9.049940689	2.7736254	0.23198558
9.392741472	2.7461517	0.284474546
9.686264643	2.7251472	0.337831219
10.00033775	2.7090113	0.40481724
10.41883928	2.7030056	0.506068932
10.73456168	2.7118315	0.592000667
11.00037161	2.7332841	0.66910476
11.37469609	2.7861427	0.774110294
11.69662146	2.8530882	0.859208578
12.00040491	2.9353617	0.926828441
12.5236553	3.0916214	1.001193534
12.78187499	3.1795631	1.021650075
13.00043904	3.2551831	1.024632236
13.33163306	3.3606458	1.011256239
13.62463598	3.4465978	0.98403396
14.00047283	3.5369359	0.931143821
15.00050669	3.6946039	0.780187623
15.49802343	3.7409355	0.697498408
16.0005404	3.7662598	0.623497287
16.53122499	3.7798015	0.55552107
17.00057412	3.7835975	0.503456512
17.58640956	3.7829862	0.448502339
18.00060789	3.7790996	0.414808593
18.5051026	3.7729841	0.379553774
19.0006416	3.7658243	0.349568372
19.52506889	3.7574033	0.322108424
20.0006755	3.7489348	0.30097241
21.53810572	3.7285879	0.248078477
23.69191662	3.7045798	0.197319409
26.06110824	3.6826639	0.160742988
28.66721876	3.6642137	0.133843086
31.533941	3.6491383	0.113367309
34.68733519	3.6369015	0.097332108
38.15606839	3.6269792	0.084469158
41.97167574	3.6189243	0.073939468
46.16884253	3.6123724	0.065170975
50.78572773	3.6070311	0.057762945
55.86429959	3.6026669	0.05142775
61.45072816	3.5990932	0.045954286
67.59580266	3.5961602	0.041184479
74.35538252	3.593747	0.036997732
81.79091881	3.5917547	0.033300322
89.97001543	3.5901008	0.030018371
98.9670177	3.5887093	0.027092637
108.8637143	3.5874411	0.024474921
119.7500878	3.5865417	0.022540169
131.7250957	3.5859895	0.02041864

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: —

SiC (Silicon carbide): all datasets

6H-SiC (α-SiC) crystal

4H-SiC crystal

3C-SiC (β-SiC) crystal

Shaffer 1971: β-SiC; n 0.467–0.691 µm n 0.467–0.691 µm

Thin film

Larruquert et al. 2011: Thin film; n,k 0.006154–131.7 µm n,k 0.006154–131.7 µm

About SiC (Silicon carbide)

Silicon carbide (SiC) is a robust and hard compound characterized by its high thermal conductivity, high electric field breakdown strength, and high power frequency. Its hardness is second only to diamond, which makes it an ideal material for abrasive applications. SiC possesses excellent thermal stability, allowing it to maintain its structural integrity in high-temperature environments. As a result, it is commonly used in power electronics, especially in high voltage devices, due to its ability to operate at high temperatures. In the realm of optoelectronics, SiC serves as a substrate for LED production, given its beneficial bandgap properties. Furthermore, its thermal and chemical resistance has made it a favored material in automotive applications, specifically for brake discs. In recent years, its transparent nature in some infrared spectra has led to research into its use for transparent armor and windows. Its unique combination of electrical, thermal, and mechanical properties position SiC as a pivotal material for various high-performance applications.

More about SiC (Silicon carbide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/SiC/nk/Larruquert.yml
ID: ds_f925acfd7a3f
API: /v1/datasets/ds_f925acfd7a3f

Plot