Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.82697
Extinction coefficient k: 0.00310078

Permittivity ε₁: 3.33782
Permittivity ε₂: 0.0113301

Absorption coefficient α: 663.131 cm⁻¹
Penetration depth δ = λ/(2πk): 30160 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.972491 µm⁻¹

Group index n_g: 2.39841
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

# In2O3-SnO2 (Indium tin oxide, ITO): König et al. 2014: n,k 0.25–1.0 µm
in2o3_sno2 = ls.fetch_refractiveindex("other", "In2O3-SnO2", "Konig", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(in2o3_sno2.range_nm)  # (251.57, 1000) nm
eps = in2o3_sno2.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_578271ac20c6/lightsmith"
in2o3_sno2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(in2o3_sno2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (in2o3-sno2/konig-2014).

# ... load in2o3_sno2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=in2o3_sno2)],
    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

72 nm ITO film on BK7 glass substrate. Purchased from Delta Technology (CG-60IN-CUV), 15–25 ohms. ITO includes a separate roughness layer (see \with EMA")"

Conditions

film thickness: 72e-9
substrate: glass

References

T. A. F. König, P. A. Ledin, J. Kerszulis, M. A. Mahmoud, M. A. El-Sayed, J. R. Reynolds, V. V. Tsukruk. Electrically tunable plasmonic behavior of nanocube-polymer nanomaterials induced by a redox-active electrochromic polymer. ACS Nano 8, 6182-6192 (2014) (Numerical data kindly provided by Tobias König)

doi:10.1021/nn501601e Electrically Tunable Plasmonic Behavior of Nanocube–Polymer Nanomaterials Induced by a Redox-Active Electrochromic Polymer, ACS Nano (2014)

Cite

Tobias A. F. König et al.. Electrically Tunable Plasmonic Behavior of Nanocube–Polymer Nanomaterials Induced by a Redox-Active Electrochromic Polymer. ACS Nano, 8, 6182-6192 (2014), doi:10.1021/nn501601e; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

474 rows as published

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

In2O3-SnO2 (Indium tin oxide, ITO), König et al. 2014: n,k 0.25–1.0 µm: n and k versus wavelength
λ (µm)	n	k
0.25157	2.31717213	0.57780161
0.25316	2.33168536	0.5697018
0.25475	2.34626565	0.56007881
0.25634	2.36067795	0.54889135
0.25793	2.37467908	0.53614073
0.25952	2.38802531	0.52187509
0.26112	2.40048438	0.5061877
0.26271	2.41184546	0.48921377
0.2643	2.42192779	0.47112495
0.26589	2.43058781	0.45212117
0.26748	2.43772396	0.43242053
0.26907	2.44327819	0.41224902
0.27067	2.44723468	0.39183166
0.27226	2.4496167	0.37138252
0.27385	2.4504812	0.35109896
0.27544	2.44991257	0.33115524
0.27703	2.44801587	0.3117007
0.27862	2.4449101	0.2928575
0.28022	2.44072204	0.27472102
0.28181	2.43558114	0.25736217
0.2834	2.42961505	0.24082882
0.28499	2.42294624	0.22514871
0.28658	2.41568999	0.21033313
0.28818	2.40795253	0.19637917
0.28977	2.3998302	0.18327257
0.29136	2.39140949	0.17099093
0.29295	2.38276689	0.15950523
0.29454	2.37396931	0.148782
0.29614	2.3650748	0.13878487
0.29773	2.35613305	0.12947571
0.29932	2.34718664	0.12081606
0.30091	2.33827137	0.11276749
0.3025	2.32941721	0.10529233
0.30409	2.32064883	0.09835399
0.30569	2.31198686	0.09191767
0.30728	2.30344754	0.08594986
0.30887	2.29504418	0.08041911
0.31046	2.28678728	0.07529582
0.31205	2.27868456	0.07055199
0.31365	2.27074208	0.06616167
0.31524	2.26296411	0.0621006
0.31683	2.25535349	0.0583462
0.31842	2.24791192	0.0548775
0.32001	2.24064001	0.05167501
0.32161	2.23353796	0.04872078
0.3232	2.22660502	0.04599807
0.32479	2.21984006	0.04349141
0.32638	2.21324163	0.04118649
0.32797	2.20680801	0.03907008
0.32957	2.20053745	0.03712992
0.33116	2.19442784	0.03535462
0.33275	2.18847739	0.0337337
0.33434	2.18268445	0.03225743
0.33593	2.17704736	0.03091675
0.33752	2.17156519	0.02970331
0.33912	2.16623741	0.02860932
0.34071	2.16106461	0.02762754
0.3423	2.1560493	0.02675124
0.34389	2.15119877	0.0259741
0.34548	2.14653759	0.02527487
0.34708	2.14204552	0.02460068
0.34867	2.13769101	0.02394716
0.35026	2.13345877	0.02331379
0.35185	2.12933779	0.02269999
0.35344	2.12531947	0.0221052
0.35504	2.12139667	0.02152882
0.35663	2.1175633	0.0209703
0.35822	2.11381409	0.02042909
0.35981	2.11014433	0.01990462
0.3614	2.10654969	0.01939637
0.36299	2.10302647	0.01890381
0.36459	2.09957119	0.01842644
0.36618	2.09618057	0.01796376
0.36777	2.09285183	0.01751532
0.36936	2.08958211	0.01708062
0.37095	2.08636899	0.01665925
0.37254	2.08321014	0.01625075
0.37414	2.08010332	0.01585471
0.37573	2.07704647	0.01547072
0.37732	2.07403771	0.01509839
0.37891	2.07107518	0.01473735
0.3805	2.06815721	0.01438722
0.3821	2.06528218	0.01404766
0.38369	2.06244853	0.01371832
0.38528	2.05965483	0.01339886
0.38687	2.05689966	0.01308897
0.38846	2.05418175	0.01278834
0.39005	2.05149982	0.01249668
0.39164	2.0488527	0.01221369
0.39324	2.04623925	0.01193909
0.39483	2.04365836	0.01167263
0.39642	2.04110902	0.01141403
0.39801	2.03859023	0.01116305
0.3996	2.03610099	0.01091945
0.40119	2.03364043	0.01068299
0.40279	2.03120768	0.01045345
0.40438	2.02880188	0.01023061
0.40597	2.02642218	0.01001426
0.40756	2.02406784	0.0098042
0.40915	2.02173811	0.00960023
0.41074	2.01943226	0.00940216
0.41233	2.01714956	0.00920981
0.41393	2.01488934	0.00902299
0.41552	2.01265101	0.00884156
0.41711	2.01043395	0.00866533
0.4187	2.00823747	0.00849415
0.42029	2.00606101	0.00832786
0.42188	2.00390405	0.00816632
0.42347	2.00176598	0.00800938
0.42506	1.99964634	0.00785691
0.42665	1.99754454	0.00770876
0.42825	1.9954601	0.00756481
0.42984	1.99339266	0.00742495
0.43143	1.99134156	0.00728903
0.43302	1.98930647	0.00715695
0.43461	1.98728696	0.00702859
0.4362	1.98528254	0.00690385
0.43779	1.98329279	0.00678262
0.43938	1.98131737	0.0066648
0.44097	1.9793559	0.00655029
0.44257	1.97740793	0.00643898
0.44416	1.97547316	0.0063308
0.44575	1.97355117	0.00622565
0.44734	1.97164168	0.00612345
0.44893	1.96974428	0.00602411
0.45052	1.9678587	0.00592755
0.45211	1.96598463	0.00583369
0.4537	1.96412169	0.00574246
0.45529	1.96226965	0.00565378
0.45688	1.96042814	0.00556759
0.45847	1.95859694	0.00548381
0.46006	1.95677571	0.00540237
0.46165	1.95496423	0.00532322
0.46324	1.95316225	0.0052463
0.46484	1.95136949	0.00517153
0.46643	1.94958565	0.00509887
0.46802	1.94781049	0.00502825
0.46961	1.94604388	0.00495963
0.4712	1.94428546	0.00489295
0.47279	1.94253502	0.00482815
0.47438	1.94079243	0.00476519
0.47597	1.93905737	0.00470403
0.47756	1.93732964	0.0046446
0.47915	1.93560912	0.00458687
0.48074	1.93389551	0.0045308
0.48233	1.93218866	0.00447634
0.48392	1.93048833	0.00442345
0.48551	1.92879438	0.0043721
0.4871	1.92710663	0.00432223
0.48869	1.92542489	0.00427382
0.49028	1.92374899	0.00422683
0.49187	1.9220787	0.00418123
0.49346	1.92041391	0.00413697
0.49505	1.91875441	0.00409403
0.49664	1.91710012	0.00405237
0.49823	1.91545079	0.00401197
0.49982	1.91380632	0.00397279
0.50141	1.91216656	0.0039348
0.503	1.91053135	0.00389798
0.50459	1.90890051	0.0038623
0.50618	1.90727398	0.00382773
0.50777	1.90565154	0.00379424
0.50936	1.9040331	0.00376182
0.51094	1.90241851	0.00373043
0.51253	1.90080761	0.00370005
0.51412	1.89920036	0.00367066
0.51571	1.89759653	0.00364224
0.5173	1.89599606	0.00361476
0.51889	1.89439883	0.00358821
0.52048	1.89280471	0.00356256
0.52207	1.89121359	0.00353779
0.52366	1.88962536	0.00351389
0.52525	1.88803986	0.00349084
0.52684	1.88645706	0.00346861
0.52843	1.88487678	0.00344719
0.53002	1.883299	0.00342657
0.5316	1.88172353	0.00340672
0.53319	1.8801503	0.00338763
0.53478	1.87857922	0.00336929
0.53637	1.87701019	0.00335167
0.53796	1.87544312	0.00333477
0.53955	1.87387791	0.00331857
0.54114	1.87231447	0.00330305
0.54273	1.87075271	0.00328821
0.54431	1.86919254	0.00327403
0.5459	1.86763388	0.00326049
0.54749	1.86607663	0.00324759
0.54908	1.86452071	0.0032353
0.55067	1.86296604	0.00322363
0.55226	1.86141254	0.00321256
0.55384	1.85986012	0.00320207
0.55543	1.85830872	0.00319216
0.55702	1.85675824	0.00318282
0.55861	1.85520862	0.00317403
0.5602	1.85365978	0.00316579
0.56178	1.8521117	0.00315808
0.56337	1.8505642	0.0031509
0.56496	1.84901726	0.00314424
0.56655	1.84747086	0.00313808
0.56814	1.84592483	0.00313243
0.56972	1.84437921	0.00312727
0.57131	1.84283388	0.00312259
0.5729	1.84128872	0.00311838
0.57449	1.83974377	0.00311465
0.57607	1.8381989	0.00311137
0.57766	1.83665412	0.00310855
0.57925	1.83510926	0.00310617
0.58084	1.8335643	0.00310424
0.58242	1.83201924	0.00310273
0.58401	1.83047397	0.00310165
0.5856	1.82892843	0.00310099
0.58718	1.82738256	0.00310074
0.58877	1.8258363	0.0031009
0.59036	1.82428966	0.00310146
0.59195	1.82274246	0.00310242
0.59353	1.82119477	0.00310377
0.59512	1.81964647	0.0031055
0.59671	1.81809757	0.00310761
0.59829	1.81654791	0.0031101
0.59988	1.81499753	0.00311295
0.60147	1.81344635	0.00311617
0.60305	1.8118943	0.00311975
0.60464	1.81034139	0.00312369
0.60623	1.80878748	0.00312797
0.60781	1.80723261	0.0031326
0.6094	1.80567673	0.00313758
0.61098	1.8041197	0.00314289
0.61257	1.80256157	0.00314854
0.61416	1.80100225	0.00315452
0.61574	1.79944173	0.00316083
0.61733	1.79787989	0.00316746
0.61891	1.79631676	0.00317441
0.6205	1.79475232	0.00318168
0.62209	1.79318641	0.00318926
0.62367	1.79161909	0.00319715
0.62526	1.79005032	0.00320535
0.62684	1.78847996	0.00321385
0.62843	1.78690807	0.00322265
0.63001	1.78533461	0.00323175
0.6316	1.78375948	0.00324114
0.63318	1.78218266	0.00325083
0.63477	1.78060409	0.00326081
0.63635	1.77902379	0.00327107
0.63794	1.77744167	0.00328163
0.63952	1.77585774	0.00329246
0.64111	1.77427191	0.00330357
0.64269	1.77268421	0.00331496
0.64428	1.77109453	0.00332663
0.64586	1.76950285	0.00333857
0.64745	1.76790917	0.00335078
0.64903	1.76631342	0.00336327
0.65062	1.76471561	0.00337602
0.6522	1.76311564	0.00338903
0.65379	1.76151354	0.00340231
0.65537	1.75990922	0.00341586
0.65696	1.7583027	0.00342966
0.65854	1.75669389	0.00344372
0.66012	1.75508276	0.00345805
0.66171	1.75346933	0.00347262
0.66329	1.75185356	0.00348745
0.66488	1.75023537	0.00350254
0.66646	1.74861478	0.00351788
0.66804	1.74699171	0.00353346
0.66963	1.74536611	0.0035493
0.67121	1.74373807	0.00356539
0.67279	1.7421074	0.00358172
0.67438	1.74047422	0.0035983
0.67596	1.7388384	0.00361512
0.67754	1.7371999	0.00363219
0.67913	1.73555875	0.0036495
0.68071	1.73391492	0.00366705
0.68229	1.73226832	0.00368485
0.68388	1.73061898	0.00370288
0.68546	1.72896681	0.00372115
0.68704	1.72731184	0.00373966
0.68862	1.72565404	0.00375841
0.69021	1.72399333	0.0037774
0.69179	1.72232972	0.00379662
0.69337	1.7206632	0.00381608
0.69495	1.71899368	0.00383578
0.69654	1.71732118	0.00385571
0.69812	1.71564562	0.00387587
0.6997	1.71396708	0.00389627
0.70128	1.71228538	0.0039169
0.70287	1.71060065	0.00393776
0.70445	1.70891274	0.00395886
0.70603	1.70722169	0.00398019
0.70761	1.70552747	0.00400175
0.70919	1.70383	0.00402354
0.71077	1.7021293	0.00404557
0.71236	1.70042535	0.00406782
0.71394	1.69871811	0.0040903
0.71552	1.69700752	0.00411302
0.7171	1.6952936	0.00413597
0.71868	1.69357632	0.00415914
0.72026	1.69185559	0.00418255
0.72184	1.69013145	0.00420619
0.72342	1.68840388	0.00423006
0.725	1.68667284	0.00425416
0.72659	1.6849383	0.00427848
0.72817	1.6832002	0.00430304
0.72975	1.68145861	0.00432783
0.73133	1.67971339	0.00435285
0.73291	1.67796452	0.0043781
0.73449	1.67621209	0.00440358
0.73607	1.67445601	0.00442929
0.73765	1.6726962	0.00445524
0.73923	1.67093269	0.00448141
0.74081	1.66916546	0.00450782
0.74239	1.66739449	0.00453445
0.74397	1.66561973	0.00456132
0.74555	1.66384113	0.00458843
0.74713	1.66205875	0.00461576
0.74871	1.66027247	0.00464333
0.75029	1.65848237	0.00467113
0.75186	1.65668831	0.00469916
0.75344	1.65489032	0.00472743
0.75502	1.65308839	0.00475594
0.7566	1.65128248	0.00478468
0.75818	1.64947257	0.00481365
0.75976	1.64765857	0.00484287
0.76134	1.64584058	0.00487231
0.76292	1.64401852	0.004902
0.7645	1.64219229	0.00493192
0.76607	1.640362	0.00496209
0.76765	1.6385275	0.00499249
0.76923	1.63668888	0.00502313
0.77081	1.634846	0.00505401
0.77239	1.63299896	0.00508513
0.77396	1.6311476	0.0051165
0.77554	1.62929203	0.0051481
0.77712	1.62743215	0.00517995
0.7787	1.62556789	0.00521204
0.78028	1.62369934	0.00524438
0.78185	1.62182635	0.00527697
0.78343	1.61994902	0.0053098
0.78501	1.61806727	0.00534287
0.78659	1.616181	0.0053762
0.78816	1.61429032	0.00540978
0.78974	1.61239513	0.0054436
0.79132	1.61049542	0.00547768
0.79289	1.60859115	0.005512
0.79447	1.60668231	0.00554658
0.79605	1.60476887	0.00558142
0.79762	1.60285079	0.00561651
0.7992	1.60092812	0.00565185
0.80077	1.59900072	0.00568745
0.80235	1.59706866	0.00572331
0.80393	1.59513188	0.00575942
0.8055	1.59319034	0.0057958
0.80708	1.59124402	0.00583244
0.80865	1.5892929	0.00586934
0.81023	1.58733694	0.00590651
0.81181	1.58537618	0.00594393
0.81338	1.58341053	0.00598163
0.81496	1.58143992	0.00601959
0.81653	1.57946449	0.00605782
0.81811	1.57748403	0.00609632
0.81968	1.57549865	0.00613509
0.82126	1.57350819	0.00617413
0.82283	1.57151268	0.00621345
0.82441	1.56951223	0.00625304
0.82598	1.56750669	0.00629291
0.82755	1.5654959	0.00633305
0.82913	1.56348008	0.00637348
0.8307	1.56145909	0.00641418
0.83228	1.55943302	0.00645516
0.83385	1.5574016	0.00649643
0.83543	1.55536492	0.00653799
0.837	1.55332308	0.00657983
0.83857	1.55127592	0.00662196
0.84015	1.54922331	0.00666438
0.84172	1.54716545	0.00670709
0.84329	1.54510232	0.00675009
0.84487	1.54303365	0.00679338
0.84644	1.54095952	0.00683698
0.84801	1.53888004	0.00688087
0.84959	1.53679506	0.00692506
0.85116	1.53470454	0.00696955
0.85273	1.53260845	0.00701434
0.8543	1.53050677	0.00705944
0.85588	1.5283996	0.00710485
0.85745	1.52628665	0.00715056
0.85902	1.52416815	0.00719659
0.86059	1.52204394	0.00724292
0.86216	1.51991412	0.00728957
0.86374	1.51777841	0.00733654
0.86531	1.51563702	0.00738382
0.86688	1.51348981	0.00743143
0.86845	1.51133674	0.00747936
0.87002	1.50917778	0.00752761
0.87159	1.50701291	0.00757619
0.87316	1.50484221	0.00762509
0.87474	1.50266554	0.00767433
0.87631	1.50048286	0.00772389
0.87788	1.49829426	0.0077738
0.87945	1.49609946	0.00782404
0.88102	1.49389869	0.00787462
0.88259	1.49169178	0.00792554
0.88416	1.48947884	0.0079768
0.88573	1.48725957	0.00802841
0.8873	1.48503419	0.00808037
0.88887	1.48280255	0.00813268
0.89044	1.48056461	0.00818534
0.89201	1.47832047	0.00823836
0.89358	1.47606997	0.00829174
0.89515	1.47381308	0.00834548
0.89672	1.47154989	0.00839958
0.89829	1.46928009	0.00845404
0.89986	1.46700393	0.00850888
0.90142	1.46472124	0.00856409
0.90299	1.46243212	0.00861967
0.90456	1.46013639	0.00867563
0.90613	1.45783403	0.00873196
0.9077	1.45552498	0.00878868
0.90927	1.45320938	0.00884579
0.91083	1.45088702	0.00890328
0.9124	1.44855788	0.00896117
0.91397	1.44622207	0.00901944
0.91554	1.4438794	0.00907812
0.91711	1.44152984	0.00913719
0.91867	1.43917349	0.00919667
0.92024	1.43681018	0.00925655
0.92181	1.43443985	0.00931685
0.92338	1.43206263	0.00937755
0.92494	1.42967833	0.00943867
0.92651	1.42728691	0.00950022
0.92808	1.42488832	0.00956218
0.92964	1.42248269	0.00962457
0.93121	1.42006996	0.00968739
0.93278	1.4176498	0.00975064
0.93434	1.41522247	0.00981433
0.93591	1.41278793	0.00987846
0.93747	1.41034584	0.00994303
0.93904	1.40789645	0.01000805
0.94061	1.40543973	0.01007352
0.94217	1.40297548	0.01013945
0.94374	1.40050366	0.01020583
0.9453	1.39802422	0.01027268
0.94687	1.39553728	0.01033999
0.94843	1.39304279	0.01040777
0.95	1.39054056	0.01047603
0.95156	1.38803054	0.01054477
0.95313	1.38551268	0.01061399
0.95469	1.3829871	0.0106837
0.95625	1.38045359	0.0107539
0.95782	1.37791226	0.0108246
0.95938	1.37536292	0.01089579
0.96095	1.37280567	0.01096749
0.96251	1.3702403	0.0110397
0.96407	1.36766677	0.01111243
0.96564	1.36508519	0.01118567
0.9672	1.36249535	0.01125944
0.96876	1.35989737	0.01133373
0.97033	1.35729102	0.01140856
0.97189	1.35467642	0.01148392
0.97345	1.35205337	0.01155983
0.97502	1.3494218	0.01163629
0.97658	1.34678183	0.01171331
0.97814	1.34413341	0.01179087
0.9797	1.34147616	0.01186901
0.98126	1.33881051	0.01194771
0.98283	1.33613592	0.012027
0.98439	1.33345283	0.01210686
0.98595	1.33076069	0.01218731
0.98751	1.32805977	0.01226835
0.98907	1.32535001	0.01234999
0.99063	1.32263121	0.01243223
0.9922	1.31990345	0.01251508
0.99376	1.31716652	0.01259855
0.99532	1.31442054	0.01268264
0.99688	1.31166526	0.01276737
0.99844	1.30890062	0.01285273
1.0	1.30612675	0.01293873

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: —

Plot