Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.39402
Extinction coefficient k: 0.00142973

Permittivity ε₁: 1.94328
Permittivity ε₂: 0.00398612

Absorption coefficient α: 305.76 cm⁻¹
Penetration depth δ = λ/(2πk): 65410.7 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.448403 µm⁻¹

Group index n_g: 1.6575
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: with EMA layer; n,k 0.25–1.0 µm
in2o3_sno2 = ls.fetch_refractiveindex("other", "In2O3-SnO2", "Konig-EMA", 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_54c30d062670/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-ema).

# ... 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

Optical constants of 2 nm roughness layer (effective medium approximation, EMA layer). Setup: BK7+ITO(72nm)+EMA(2nm)). ITO purchased from Delta Technology (CG-60IN-CUV), 15–25 ohms.

Conditions

film thickness: 2e-9
substrate: glass/ITO

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: with EMA layer; n,k 0.25–1.0 µm: n and k versus wavelength
λ (µm)	n	k
0.25157	1.61929943	0.26157101
0.25316	1.62580553	0.25786213
0.25475	1.63233784	0.2534692
0.25634	1.63879109	0.24837427
0.25793	1.64505646	0.24257839
0.25952	1.65102488	0.2361035
0.26112	1.65659248	0.22899166
0.26271	1.66166495	0.22130365
0.2643	1.6661614	0.21311655
0.26589	1.67001759	0.20452007
0.26748	1.67318804	0.19561209
0.26907	1.67564678	0.18649402
0.27067	1.67738674	0.1772669
0.27226	1.67841839	0.16802686
0.27385	1.67876731	0.15886256
0.27544	1.67847145	0.14985234
0.27703	1.67757803	0.14106332
0.27862	1.67614055	0.13255045
0.28022	1.67421606	0.12435663
0.28181	1.67186278	0.11651378
0.2834	1.66913816	0.10904345
0.28499	1.66609732	0.1019581
0.28658	1.66279216	0.09526284
0.28818	1.65927052	0.08895634
0.28977	1.65557575	0.08303219
0.29136	1.65174684	0.07748029
0.29295	1.6478182	0.07228758
0.29454	1.64382001	0.06743897
0.29614	1.63977838	0.06291807
0.29773	1.63571572	0.05870771
0.29932	1.6316512	0.05479057
0.30091	1.62760096	0.05114931
0.3025	1.62357851	0.04776697
0.30409	1.61959495	0.04462705
0.30569	1.6156596	0.04171388
0.30728	1.61177977	0.03901234
0.30887	1.60796146	0.03650827
0.31046	1.60420941	0.03418833
0.31205	1.60052711	0.03203988
0.31365	1.59691729	0.03005123
0.31524	1.59338187	0.02821144
0.31683	1.58992216	0.02651033
0.31842	1.58653892	0.02493845
0.32001	1.58323243	0.023487
0.32161	1.58000279	0.0221479
0.3232	1.57684966	0.02091358
0.32479	1.57377256	0.01977707
0.32638	1.57077082	0.01873191
0.32797	1.56784369	0.01777213
0.32957	1.56499037	0.0168922
0.33116	1.56220994	0.01608698
0.33275	1.5595016	0.01535174
0.33434	1.55686461	0.01468208
0.33593	1.55429823	0.01407391
0.33752	1.55180207	0.01352346
0.33912	1.5493759	0.01302721
0.34071	1.54702001	0.01258189
0.3423	1.54473557	0.01218446
0.34389	1.54252591	0.01183205
0.34548	1.54040226	0.011515
0.34708	1.5383554	0.01120924
0.34867	1.53637098	0.01091279
0.35026	1.53444205	0.01062542
0.35185	1.53256361	0.01034689
0.35344	1.53073176	0.01007693
0.35504	1.52894325	0.0098153
0.35663	1.52719532	0.00956172
0.35822	1.52548559	0.00931597
0.35981	1.52381191	0.00907779
0.3614	1.52217231	0.00884693
0.36299	1.52056512	0.00862318
0.36459	1.51898876	0.00840629
0.36618	1.51744175	0.00819606
0.36777	1.51592282	0.00799226
0.36936	1.51443067	0.00779469
0.37095	1.51296421	0.00760315
0.37254	1.51152238	0.00741744
0.37414	1.51010416	0.00723738
0.37573	1.50870861	0.00706277
0.37732	1.5073349	0.00689345
0.37891	1.50598217	0.00672924
0.3805	1.50464966	0.00656998
0.3821	1.50333664	0.00641551
0.38369	1.5020424	0.00626567
0.38528	1.5007663	0.00612032
0.38687	1.49950768	0.00597931
0.38846	1.49826598	0.00584249
0.39005	1.4970406	0.00570975
0.39164	1.49583103	0.00558094
0.39324	1.49463674	0.00545594
0.39483	1.49345722	0.00533463
0.39642	1.49229203	0.00521689
0.39801	1.4911407	0.00510261
0.3996	1.49000279	0.00499168
0.40119	1.48887789	0.004884
0.40279	1.48776562	0.00477946
0.40438	1.48666557	0.00467796
0.40597	1.48557738	0.00457941
0.40756	1.48450069	0.00448371
0.40915	1.48343517	0.00439079
0.41074	1.48238049	0.00430055
0.41233	1.48133632	0.0042129
0.41393	1.48030234	0.00412778
0.41552	1.4792783	0.00404509
0.41711	1.47826391	0.00396478
0.4187	1.47725887	0.00388676
0.42029	1.47626289	0.00381097
0.42188	1.47527578	0.00373734
0.42347	1.47429723	0.00366579
0.42506	1.47332704	0.00359628
0.42665	1.47236494	0.00352874
0.42825	1.47141072	0.00346311
0.42984	1.47046421	0.00339934
0.43143	1.46952511	0.00333737
0.43302	1.46859327	0.00327714
0.43461	1.46766849	0.00321861
0.4362	1.46675056	0.00316172
0.43779	1.46583928	0.00310643
0.43938	1.46493449	0.00305269
0.44097	1.46403603	0.00300046
0.44257	1.46314369	0.0029497
0.44416	1.46225733	0.00290035
0.44575	1.46137676	0.00285239
0.44734	1.46050185	0.00280577
0.44893	1.45963242	0.00276045
0.45052	1.45876834	0.0027164
0.45211	1.45790948	0.00267358
0.4537	1.45705565	0.00263196
0.45529	1.45620676	0.0025915
0.45688	1.45536264	0.00255217
0.45847	1.45452318	0.00251395
0.46006	1.45368824	0.00247679
0.46165	1.45285771	0.00244068
0.46324	1.45203147	0.00240558
0.46484	1.4512094	0.00237147
0.46643	1.45039137	0.00233831
0.46802	1.44957725	0.00230609
0.46961	1.448767	0.00227478
0.4712	1.44796046	0.00224435
0.47279	1.44715751	0.00221478
0.47438	1.44635811	0.00218606
0.47597	1.44556211	0.00215815
0.47756	1.44476942	0.00213103
0.47915	1.44397998	0.00210469
0.48074	1.44319365	0.00207911
0.48233	1.44241038	0.00205426
0.48392	1.44163004	0.00203013
0.48551	1.44085258	0.0020067
0.4871	1.4400779	0.00198395
0.48869	1.43930593	0.00196187
0.49028	1.43853659	0.00194043
0.49187	1.43776978	0.00191963
0.49346	1.43700543	0.00189944
0.49505	1.43624346	0.00187986
0.49664	1.43548383	0.00186086
0.49823	1.43472642	0.00184243
0.49982	1.4339712	0.00182457
0.50141	1.43321808	0.00180725
0.503	1.432467	0.00179046
0.50459	1.43171788	0.00177419
0.50618	1.43097069	0.00175843
0.50777	1.43022532	0.00174317
0.50936	1.42948174	0.0017284
0.51094	1.42873988	0.00171409
0.51253	1.42799965	0.00170025
0.51412	1.42726106	0.00168686
0.51571	1.42652399	0.00167392
0.5173	1.42578841	0.00166141
0.51889	1.42505427	0.00164932
0.52048	1.42432151	0.00163764
0.52207	1.42359007	0.00162637
0.52366	1.42285991	0.0016155
0.52525	1.42213096	0.00160501
0.52684	1.4214032	0.0015949
0.52843	1.42067654	0.00158516
0.53002	1.41995099	0.00157579
0.5316	1.41922644	0.00156677
0.53319	1.41850287	0.0015581
0.53478	1.41778024	0.00154978
0.53637	1.41705851	0.00154178
0.53796	1.41633763	0.00153412
0.53955	1.41561755	0.00152677
0.54114	1.41489823	0.00151974
0.54273	1.41417964	0.00151302
0.54431	1.41346172	0.0015066
0.5459	1.41274445	0.00150048
0.54749	1.41202778	0.00149464
0.54908	1.41131167	0.0014891
0.55067	1.41059608	0.00148383
0.55226	1.40988098	0.00147884
0.55384	1.40916633	0.00147412
0.55543	1.40845209	0.00146966
0.55702	1.40773823	0.00146547
0.55861	1.40702471	0.00146152
0.5602	1.4063115	0.00145783
0.56178	1.40559859	0.00145439
0.56337	1.40488589	0.00145119
0.56496	1.4041734	0.00144823
0.56655	1.40346111	0.0014455
0.56814	1.40274893	0.001443
0.56972	1.40203689	0.00144073
0.57131	1.40132493	0.00143868
0.5729	1.400613	0.00143685
0.57449	1.39990111	0.00143523
0.57607	1.39918921	0.00143383
0.57766	1.3984773	0.00143263
0.57925	1.39776529	0.00143165
0.58084	1.39705319	0.00143086
0.58242	1.39634099	0.00143027
0.58401	1.39562863	0.00142988
0.5856	1.3949161	0.00142969
0.58718	1.39420336	0.00142968
0.58877	1.3934904	0.00142986
0.59036	1.39277719	0.00143023
0.59195	1.39206368	0.00143078
0.59353	1.39134989	0.00143151
0.59512	1.39063576	0.00143242
0.59671	1.3899213	0.0014335
0.59829	1.38920643	0.00143476
0.59988	1.38849118	0.00143619
0.60147	1.3877755	0.00143778
0.60305	1.38705937	0.00143955
0.60464	1.38634278	0.00144148
0.60623	1.38562568	0.00144357
0.60781	1.38490807	0.00144582
0.6094	1.38418994	0.00144823
0.61098	1.38347123	0.0014508
0.61257	1.38275195	0.00145352
0.61416	1.38203207	0.0014564
0.61574	1.38131157	0.00145942
0.61733	1.38059041	0.0014626
0.61891	1.37986859	0.00146593
0.6205	1.37914611	0.0014694
0.62209	1.37842289	0.00147302
0.62367	1.37769896	0.00147679
0.62526	1.37697431	0.0014807
0.62684	1.37624886	0.00148474
0.62843	1.37552265	0.00148893
0.63001	1.37479564	0.00149326
0.6316	1.37406781	0.00149772
0.63318	1.37333913	0.00150233
0.63477	1.37260959	0.00150706
0.63635	1.37187919	0.00151193
0.63794	1.37114788	0.00151694
0.63952	1.37041568	0.00152207
0.64111	1.36968254	0.00152734
0.64269	1.36894846	0.00153274
0.64428	1.36821342	0.00153826
0.64586	1.36747738	0.00154392
0.64745	1.36674036	0.0015497
0.64903	1.36600231	0.0015556
0.65062	1.36526325	0.00156164
0.6522	1.36452312	0.00156779
0.65379	1.36378195	0.00157407
0.65537	1.36303968	0.00158048
0.65696	1.36229633	0.001587
0.65854	1.36155186	0.00159365
0.66012	1.36080624	0.00160042
0.66171	1.3600595	0.00160731
0.66329	1.3593116	0.00161432
0.66488	1.35856252	0.00162145
0.66646	1.35781226	0.00162869
0.66804	1.35706078	0.00163606
0.66963	1.35630807	0.00164354
0.67121	1.35555416	0.00165114
0.67279	1.35479896	0.00165886
0.67438	1.35404253	0.00166669
0.67596	1.3532848	0.00167464
0.67754	1.35252576	0.0016827
0.67913	1.35176543	0.00169087
0.68071	1.35100378	0.00169917
0.68229	1.35024078	0.00170757
0.68388	1.34947643	0.00171609
0.68546	1.34871071	0.00172472
0.68704	1.34794361	0.00173347
0.68862	1.34717513	0.00174232
0.69021	1.34640522	0.00175129
0.69179	1.3456339	0.00176038
0.69337	1.34486115	0.00176957
0.69495	1.34408693	0.00177888
0.69654	1.34331126	0.00178829
0.69812	1.34253409	0.00179782
0.6997	1.34175547	0.00180746
0.70128	1.3409753	0.00181721
0.70287	1.34019364	0.00182707
0.70445	1.33941044	0.00183705
0.70603	1.3386257	0.00184713
0.70761	1.33783941	0.00185732
0.70919	1.33705153	0.00186762
0.71077	1.33626207	0.00187804
0.71236	1.33547102	0.00188856
0.71394	1.33467837	0.0018992
0.71552	1.33388408	0.00190994
0.7171	1.33308815	0.0019208
0.71868	1.33229059	0.00193176
0.72026	1.33149134	0.00194284
0.72184	1.33069042	0.00195402
0.72342	1.32988782	0.00196532
0.725	1.32908353	0.00197672
0.72659	1.32827752	0.00198824
0.72817	1.32746978	0.00199987
0.72975	1.32666032	0.0020116
0.73133	1.32584909	0.00202345
0.73291	1.32503608	0.00203541
0.73449	1.32422132	0.00204748
0.73607	1.32340477	0.00205966
0.73765	1.3225864	0.00207195
0.73923	1.32176623	0.00208436
0.74081	1.32094422	0.00209687
0.74239	1.32012039	0.0021095
0.74397	1.3192947	0.00212224
0.74555	1.31846713	0.00213509
0.74713	1.31763771	0.00214805
0.74871	1.31680638	0.00216113
0.75029	1.31597317	0.00217432
0.75186	1.31513803	0.00218762
0.75344	1.31430097	0.00220104
0.75502	1.31346196	0.00221457
0.7566	1.31262101	0.00222821
0.75818	1.31177809	0.00224197
0.75976	1.31093318	0.00225584
0.76134	1.3100863	0.00226983
0.76292	1.30923743	0.00228393
0.7645	1.30838651	0.00229815
0.76607	1.3075336	0.00231248
0.76765	1.30667862	0.00232693
0.76923	1.30582162	0.0023415
0.77081	1.30496252	0.00235618
0.77239	1.30410138	0.00237098
0.77396	1.30323813	0.0023859
0.77554	1.3023728	0.00240094
0.77712	1.30150535	0.00241609
0.7787	1.30063575	0.00243137
0.78028	1.29976404	0.00244676
0.78185	1.29889015	0.00246228
0.78343	1.29801412	0.00247792
0.78501	1.29713592	0.00249367
0.78659	1.29625549	0.00250955
0.78816	1.29537289	0.00252555
0.78974	1.29448808	0.00254167
0.79132	1.29360103	0.00255792
0.79289	1.29271174	0.00257429
0.79447	1.29182019	0.00259078
0.79605	1.29092638	0.0026074
0.79762	1.29003029	0.00262414
0.7992	1.28913192	0.00264101
0.80077	1.28823123	0.00265801
0.80235	1.28732824	0.00267513
0.80393	1.28642291	0.00269238
0.8055	1.28551524	0.00270976
0.80708	1.2846052	0.00272727
0.80865	1.2836928	0.0027449
0.81023	1.282778	0.00276267
0.81181	1.28186083	0.00278057
0.81338	1.28094125	0.0027986
0.81496	1.28001921	0.00281676
0.81653	1.27909478	0.00283505
0.81811	1.27816787	0.00285348
0.81968	1.27723852	0.00287205
0.82126	1.27630666	0.00289074
0.82283	1.27537231	0.00290958
0.82441	1.27443549	0.00292855
0.82598	1.27349616	0.00294765
0.82755	1.27255423	0.0029669
0.82913	1.2716098	0.00298628
0.8307	1.27066281	0.00300581
0.83228	1.26971329	0.00302547
0.83385	1.26876112	0.00304528
0.83543	1.26780634	0.00306523
0.837	1.266849	0.00308532
0.83857	1.26588901	0.00310555
0.84015	1.26492632	0.00312593
0.84172	1.26396101	0.00314646
0.84329	1.26299308	0.00316713
0.84487	1.2620224	0.00318795
0.84644	1.261049	0.00320892
0.84801	1.26007294	0.00323004
0.84959	1.25909414	0.0032513
0.85116	1.25811257	0.00327272
0.85273	1.25712824	0.00329429
0.8543	1.25614112	0.00331602
0.85588	1.25515125	0.0033379
0.85745	1.25415851	0.00335993
0.85902	1.25316299	0.00338212
0.86059	1.25216462	0.00340447
0.86216	1.25116345	0.00342697
0.86374	1.25015934	0.00344964
0.86531	1.24915239	0.00347247
0.86688	1.24814253	0.00349546
0.86845	1.24712974	0.00351861
0.87002	1.246114	0.00354192
0.87159	1.2450953	0.0035654
0.87316	1.24407368	0.00358905
0.87474	1.24304907	0.00361286
0.87631	1.24202145	0.00363685
0.87788	1.24099086	0.003661
0.87945	1.23995717	0.00368533
0.88102	1.23892047	0.00370982
0.88259	1.23788069	0.00373449
0.88416	1.23683788	0.00375934
0.88573	1.2357919	0.00378436
0.8873	1.23474284	0.00380956
0.88887	1.23369064	0.00383494
0.89044	1.23263526	0.0038605
0.89201	1.23157677	0.00388624
0.89358	1.23051507	0.00391216
0.89515	1.22945015	0.00393827
0.89672	1.22838206	0.00396457
0.89829	1.22731064	0.00399105
0.89986	1.22623601	0.00401772
0.90142	1.22515809	0.00404459
0.90299	1.22407691	0.00407164
0.90456	1.22299241	0.00409889
0.90613	1.22190454	0.00412633
0.9077	1.22081331	0.00415397
0.90927	1.21971875	0.00418181
0.91083	1.21862078	0.00420985
0.9124	1.21751938	0.00423809
0.91397	1.21641459	0.00426653
0.91554	1.21530633	0.00429518
0.91711	1.21419458	0.00432404
0.91867	1.21307938	0.0043531
0.92024	1.21196065	0.00438238
0.92181	1.21083837	0.00441186
0.92338	1.20971258	0.00444156
0.92494	1.20858319	0.00447148
0.92651	1.20745018	0.00450161
0.92808	1.20631354	0.00453197
0.92964	1.2051733	0.00456254
0.93121	1.20402944	0.00459334
0.93278	1.20288181	0.00462437
0.93434	1.20173052	0.00465562
0.93591	1.20057556	0.0046871
0.93747	1.19941674	0.00471881
0.93904	1.1982542	0.00475076
0.94061	1.19708791	0.00478294
0.94217	1.19591778	0.00481536
0.94374	1.19474377	0.00484802
0.9453	1.19356588	0.00488093
0.94687	1.19238414	0.00491408
0.94843	1.19119853	0.00494747
0.95	1.19000896	0.00498111
0.95156	1.1888154	0.00501501
0.95313	1.18761782	0.00504916
0.95469	1.18641627	0.00508357
0.95625	1.18521066	0.00511824
0.95782	1.18400103	0.00515316
0.95938	1.18278728	0.00518836
0.96095	1.18156946	0.00522381
0.96251	1.18034746	0.00525954
0.96407	1.17912127	0.00529554
0.96564	1.17789093	0.00533182
0.9672	1.17665633	0.00536837
0.96876	1.17541752	0.0054052
0.97033	1.17417441	0.00544232
0.97189	1.17292703	0.00547972
0.97345	1.17167529	0.00551741
0.97502	1.17041915	0.0055554
0.97658	1.16915866	0.00559367
0.97814	1.16789379	0.00563225
0.9797	1.16662436	0.00567113
0.98126	1.16535057	0.00571031
0.98283	1.16407215	0.0057498
0.98439	1.16278931	0.0057896
0.98595	1.16150178	0.00582972
0.98751	1.16020969	0.00587015
0.98907	1.15891301	0.0059109
0.99063	1.15761162	0.00595198
0.9922	1.15630557	0.00599338
0.99376	1.15499475	0.00603512
0.99532	1.1536792	0.00607719
0.99688	1.15235881	0.00611961
0.99844	1.15103355	0.00616236
1.0	1.14970346	0.00620547

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