Optical constants

Refractive index of In2O3-SnO2 (Indium tin oxide, ITO)

Minenkov et al. 2024: on glass; n,k 0.191–1.69 µm

Data
tabulated nk
Range
0.1915–1.689 µm
Points
706
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.1915–1.689 µm
Refractive index n
1.80906
Extinction coefficient k
0.0102575
Permittivity ε1
3.27257
Permittivity ε2
0.0371128
Absorption coefficient α
2193.66 cm⁻¹
Penetration depth δ = λ/(2πk)
9117.18 nm
Abbe number Vd
—
Chromatic dispersion dn/dλ
-1.1 µm⁻¹
Group index ng
2.45541
Group velocity dispersion
— fs²/mm
Dispersion parameter D
— ps/(nm·km)
Photon energy
2.11001 eV

ε = (n + ik)², α = 4πk/λ, ng = 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): Minenkov et al. 2024: on glass; n,k 0.191–1.69 µm
in2o3_sno2 = ls.fetch_refractiveindex("other", "In2O3-SnO2", "Minenkov-glass", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(in2o3_sno2.range_nm)  # (191.46, 1688.69) nm
eps = in2o3_sno2.eps([633])  # complex permittivity

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

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

110 nm thick ITO layer on glass type XY15S purchased from Xinyan Technology LTD.

Conditions

film thickness
110e-9
substrate
glass

References

A. Minenkov, S. Hollweger, J. Duchoslav, O. Erdene-Ochir, M. Weise, E. Ermilova, A. Hertwig, M. Schiek. Monitoring the electrochemical failure of indium tin oxide electrodes via operando ellipsometry. ACS Appl Mater Interfaces 16, 9517-9531 (2024) (Numerical data kindly provided by Manuela Schiek)
  • doi:10.1021/acsami.3c17923 Monitoring the Electrochemical Failure of Indium Tin Oxide Electrodes via Operando Ellipsometry Complemented by Electron Microscopy and Spectroscopy, ACS Applied Materials & Interfaces (2024)

Cite

Alexey Minenkov et al.. Monitoring the Electrochemical Failure of Indium Tin Oxide Electrodes via Operando Ellipsometry Complemented by Electron Microscopy and Spectroscopy. ACS Applied Materials & Interfaces, 16, 9517-9531 (2024), doi:10.1021/acsami.3c17923; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

706 rows as published
In2O3-SnO2 (Indium tin oxide, ITO), Minenkov et al. 2024: on glass; n,k 0.191–1.69 µm: n and k versus wavelength
λ (µm)nk
0.191462.042320.59569
0.193052.051610.60194
0.194652.061050.6071
0.196252.070550.61126
0.197842.080030.61447
0.199442.089420.61682
0.201042.098670.61839
0.202632.107730.61925
0.204232.116560.61948
0.205832.125150.61915
0.207422.133460.61834
0.209022.14150.6171
0.210622.149250.61551
0.212222.156720.61363
0.213812.163920.61152
0.215412.170860.60923
0.217012.177560.60682
0.21862.184050.60433
0.22022.190360.6018
0.22182.196520.59928
0.22342.202580.59679
0.224992.208570.59437
0.226592.214540.59203
0.228192.220550.5898
0.229792.226640.58767
0.231392.232880.58566
0.232982.239330.58374
0.234582.246050.58192
0.236182.253110.58015
0.237782.260570.5784
0.239382.268480.57661
0.240972.276920.57473
0.242572.285930.57267
0.244172.295560.57033
0.245772.305840.5676
0.247372.316780.56436
0.248972.328390.56046
0.250572.340640.55577
0.252162.353460.55012
0.253762.366780.54335
0.255362.380450.53532
0.256962.394320.5259
0.258562.408180.51496
0.260162.421820.50245
0.261762.434960.48832
0.263362.447350.47261
0.264962.458720.45539
0.266562.468810.4368
0.268152.477390.41703
0.269752.484290.39631
0.271352.489370.37491
0.272952.492560.35312
0.274552.493850.33122
0.276152.493280.3095
0.277752.490940.2882
0.279352.486960.26754
0.280952.481520.2477
0.282552.474780.22882
0.284152.466930.211
0.285752.458160.19431
0.287352.448640.17876
0.288952.438530.16437
0.290552.4280.15112
0.292152.417170.13897
0.293752.406150.12787
0.295352.395050.11776
0.296952.383950.10859
0.298552.372920.1003
0.300152.362010.09282
0.301752.351270.08609
0.303352.340750.08005
0.304952.330460.07464
0.306552.320440.06982
0.308152.310690.06553
0.309752.301240.06173
0.311352.292090.05837
0.312952.283260.05542
0.314552.274750.05284
0.316152.266580.0506
0.317752.258750.04868
0.319352.251330.04703
0.320952.244350.0455
0.322552.237690.04403
0.324162.231290.0426
0.325762.225120.04122
0.327362.219140.03989
0.328962.213350.03861
0.330562.207730.03737
0.332162.202260.03617
0.333762.196920.03502
0.335362.191730.03391
0.336962.186650.03284
0.338562.18170.0318
0.340162.176850.03081
0.341762.172110.02985
0.343362.167460.02893
0.344972.162910.02804
0.346572.158460.02718
0.348172.154080.02635
0.349772.149790.02556
0.351372.145580.02479
0.352972.141440.02406
0.354572.137380.02335
0.356172.133380.02266
0.357772.129450.022
0.359382.125590.02137
0.360982.121790.02076
0.362582.118040.02017
0.364182.114360.01961
0.365782.110730.01907
0.367382.107160.01854
0.368982.103640.01804
0.370582.100170.01756
0.372192.096750.01709
0.373792.093370.01664
0.375392.090050.01621
0.376992.086760.0158
0.378592.083520.0154
0.380192.080330.01502
0.381792.077170.01465
0.383392.074060.0143
0.3852.070980.01396
0.38662.067940.01363
0.38822.064940.01332
0.38982.061970.01301
0.39142.059030.01272
0.3932.056130.01244
0.39462.053270.01218
0.396212.050430.01192
0.397812.047620.01167
0.399412.044850.01144
0.401012.04210.01121
0.402612.039380.01099
0.404212.036690.01078
0.405812.034030.01058
0.407422.031390.01039
0.409022.028780.01021
0.410622.02620.01003
0.412222.023640.00986
0.413822.02110.0097
0.415422.018580.00955
0.417022.016090.0094
0.418632.013620.00926
0.420232.011160.00912
0.421832.008730.00899
0.423432.006320.00887
0.425032.003930.00875
0.426632.001560.00864
0.428231.999210.00853
0.429841.996880.00843
0.431441.994560.00834
0.433041.992260.00824
0.434641.989980.00816
0.436241.987710.00807
0.437841.985460.008
0.439441.983230.00792
0.441051.9810.00785
0.442651.97880.00779
0.444251.976610.00773
0.445851.974430.00767
0.447451.972270.00761
0.449051.970120.00756
0.450651.967980.00751
0.452251.965860.00747
0.453861.963750.00743
0.455461.961640.00739
0.457061.959560.00735
0.458661.957480.00732
0.460261.955410.00729
0.461861.953360.00727
0.463461.951310.00724
0.465061.949280.00722
0.466671.947250.0072
0.468271.945240.00719
0.469871.943230.00717
0.471471.941230.00716
0.473071.939250.00715
0.474671.937270.00715
0.476271.93530.00714
0.477871.933330.00714
0.479471.931380.00714
0.481071.929430.00714
0.482671.927490.00714
0.484281.925560.00715
0.485881.923640.00715
0.487481.921720.00716
0.489081.919810.00718
0.490681.91790.00719
0.492281.916010.0072
0.493881.914110.00722
0.495481.912230.00724
0.497081.910350.00725
0.498681.908470.00728
0.500281.90660.0073
0.501881.904740.00732
0.503481.902880.00735
0.505081.901030.00737
0.506681.899180.0074
0.508281.897330.00743
0.509891.895490.00746
0.511491.893660.00749
0.513091.891830.00753
0.514691.890.00756
0.516291.888170.0076
0.517891.886350.00764
0.519491.884540.00767
0.521091.882730.00771
0.522691.880920.00775
0.524291.879110.0078
0.525891.877310.00784
0.527491.875510.00788
0.529091.873710.00793
0.530691.871920.00797
0.532291.870130.00802
0.533891.868340.00807
0.535491.866550.00812
0.537091.864770.00817
0.538681.862990.00822
0.540281.861210.00828
0.541881.859430.00833
0.543481.857650.00838
0.545081.855880.00844
0.546681.854110.0085
0.548281.852340.00855
0.549881.850570.00861
0.551481.84880.00867
0.553081.847030.00873
0.554681.845270.0088
0.556281.84350.00886
0.557881.841740.00892
0.559481.839980.00898
0.561071.838220.00905
0.562671.836460.00911
0.564271.83470.00918
0.565871.832940.00925
0.567471.831180.00932
0.569071.829430.00939
0.570671.827670.00946
0.572271.825910.00953
0.573861.824150.0096
0.575461.82240.00967
0.577061.820640.00975
0.578661.818880.00982
0.580261.817130.0099
0.581861.815370.00997
0.583451.813620.01005
0.585051.811860.01013
0.586651.81010.01021
0.588251.808340.01029
0.589851.806590.01037
0.591441.804830.01045
0.593041.803070.01053
0.594641.801310.01061
0.596241.799550.0107
0.597831.797790.01078
0.599431.796030.01087
0.601031.794260.01095
0.602631.79250.01104
0.604221.790740.01113
0.605821.788970.01121
0.607421.78720.0113
0.609021.785440.01139
0.610611.783670.01148
0.612211.78190.01158
0.613811.780120.01167
0.61541.778350.01176
0.6171.776580.01185
0.61861.77480.01195
0.620191.773020.01205
0.621791.771250.01214
0.623391.769470.01224
0.624981.767680.01234
0.626581.76590.01244
0.628181.764110.01253
0.629771.762330.01264
0.631371.760540.01274
0.632961.758750.01284
0.634561.756950.01294
0.636161.755160.01304
0.637751.753360.01315
0.639351.751560.01325
0.640941.749760.01336
0.642541.747960.01347
0.644131.746150.01358
0.645731.744340.01368
0.647321.742530.01379
0.648921.740720.0139
0.650511.738910.01402
0.652111.737090.01413
0.65371.735270.01424
0.65531.733450.01435
0.656891.731620.01447
0.658491.72980.01458
0.660081.727970.0147
0.661681.726130.01482
0.663271.72430.01493
0.664871.722460.01505
0.666461.720620.01517
0.668051.718770.01529
0.669651.716930.01541
0.671241.715080.01553
0.672841.713230.01566
0.674431.711370.01578
0.676021.709510.0159
0.677621.707650.01603
0.679211.705790.01616
0.68081.703920.01628
0.68241.702050.01641
0.683991.700170.01654
0.685581.69830.01667
0.687181.696420.0168
0.688771.694530.01693
0.690361.692650.01707
0.691961.690760.0172
0.693551.688860.01733
0.695141.686970.01747
0.696731.685070.0176
0.698321.683160.01774
0.699921.681250.01788
0.701511.679340.01802
0.70311.677430.01816
0.704691.675510.0183
0.706281.673590.01844
0.707881.671660.01859
0.709471.669730.01873
0.711061.66780.01887
0.712651.665860.01902
0.714241.663920.01917
0.715831.661980.01931
0.717421.660030.01946
0.719021.658070.01961
0.720611.656120.01976
0.72221.654160.01991
0.723791.652190.02007
0.725381.650230.02022
0.726971.648250.02038
0.728561.646270.02053
0.730151.644290.02069
0.731741.642310.02085
0.733331.640320.021
0.734921.638330.02117
0.736511.636330.02133
0.73811.634330.02149
0.739691.632320.02165
0.741281.630310.02182
0.742871.62830.02198
0.744461.626270.02215
0.746041.624250.02231
0.747631.622220.02248
0.749221.620190.02265
0.750811.618150.02282
0.75241.616110.02299
0.753991.614060.02317
0.755581.612010.02334
0.757161.609960.02352
0.758751.60790.02369
0.760341.605830.02387
0.761931.603760.02405
0.763521.601680.02423
0.76511.59960.02441
0.766691.597520.02459
0.768281.595430.02477
0.769871.593330.02496
0.771451.591240.02515
0.773041.589130.02533
0.774631.587020.02552
0.776211.584910.02571
0.77781.582790.0259
0.779391.580660.02609
0.780971.578530.02628
0.782561.57640.02648
0.784141.574260.02668
0.785731.572110.02687
0.787321.569960.02707
0.78891.56780.02727
0.790491.565640.02747
0.792071.563480.02767
0.793661.56130.02788
0.795241.559130.02808
0.796831.556940.02829
0.798411.554760.02849
0.81.552560.0287
0.801581.550360.02891
0.803171.548160.02913
0.804751.545950.02934
0.806331.543730.02955
0.807921.541510.02977
0.80951.539280.02999
0.811091.537050.0302
0.812671.534810.03042
0.814251.532560.03064
0.815841.530310.03087
0.817421.528050.03109
0.8191.525790.03132
0.820581.523520.03154
0.822171.521250.03177
0.823751.518970.032
0.825331.516680.03224
0.826911.514390.03247
0.82851.512090.0327
0.830081.509780.03294
0.831661.507470.03318
0.833241.505160.03342
0.834821.502830.03366
0.836411.50050.0339
0.837991.498170.03415
0.839571.495820.03439
0.841151.493470.03464
0.842731.491120.03489
0.844311.488760.03514
0.845891.486390.03539
0.847471.484010.03565
0.849051.481630.0359
0.850631.479240.03616
0.852211.476850.03642
0.853791.474450.03668
0.855371.472040.03694
0.856951.469620.03721
0.858531.46720.03748
0.860111.464770.03774
0.861691.462340.03801
0.863261.45990.03829
0.864841.457450.03856
0.866421.454990.03884
0.8681.452530.03911
0.869581.450060.03939
0.871161.447580.03967
0.872731.44510.03996
0.874311.44260.04024
0.875891.44010.04053
0.877471.43760.04082
0.879041.435080.04111
0.880621.432560.0414
0.88221.430030.0417
0.883771.42750.04199
0.885351.424960.04229
0.886931.42240.04259
0.88851.419850.0429
0.890081.417280.0432
0.891651.414710.04351
0.893231.412130.04382
0.894811.409540.04413
0.896381.406940.04445
0.897961.404340.04476
0.899531.401720.04508
0.901111.39910.0454
0.902681.396470.04573
0.904251.393840.04605
0.905831.391190.04638
0.90741.388540.04671
0.908981.385880.04704
0.910551.383210.04738
0.912121.380530.04771
0.91371.377850.04805
0.915271.375150.04839
0.916841.372450.04874
0.918421.369740.04908
0.919991.367020.04943
0.921561.364290.04979
0.923131.361560.05014
0.92471.358810.0505
0.926281.356060.05086
0.927851.35330.05122
0.929421.350530.05158
0.930991.347750.05195
0.932561.344960.05232
0.934131.342160.0527
0.93571.339350.05307
0.937281.336530.05345
0.938851.333710.05383
0.940421.330870.05422
0.941991.328030.05461
0.943561.325180.055
0.945131.322310.05539
0.946691.319440.05579
0.948261.316560.05618
0.949831.313670.05659
0.95141.310770.05699
0.952971.307860.0574
0.954541.304940.05781
0.956111.302010.05823
0.957681.299070.05865
0.959241.296120.05907
0.960811.293160.05949
0.962381.290190.05992
0.963951.287210.06035
0.965511.284220.06078
0.967081.281220.06122
0.968651.278210.06166
0.970211.275190.06211
0.971781.272160.06256
0.973351.269120.06301
0.974911.266070.06347
0.976481.2630.06393
0.978041.259930.06439
0.979611.256840.06486
0.981171.253750.06533
0.982741.250640.0658
0.98431.247520.06628
0.985871.244390.06676
0.987431.241260.06725
0.9891.23810.06774
0.990561.234940.06824
0.992121.231770.06873
0.993691.228580.06924
0.995251.225380.06974
0.996811.222170.07026
0.998381.218950.07077
0.999941.215720.07129
1.013381.187390.07596
1.016811.180020.07721
1.020241.172570.07849
1.023671.165060.07979
1.027091.157490.08112
1.030521.149840.08247
1.033951.142130.08386
1.037381.134340.08527
1.040811.126490.08672
1.044231.118560.08819
1.047661.110550.0897
1.051091.102470.09125
1.054521.094310.09283
1.057951.086070.09444
1.061371.077760.0961
1.06481.069350.09779
1.068231.060870.09952
1.071661.05230.1013
1.075091.043640.10312
1.078511.034890.10498
1.081941.026050.10689
1.085371.017120.10886
1.08881.008090.11087
1.092230.998960.11294
1.095650.989740.11506
1.099080.980410.11725
1.102510.970980.11949
1.105940.961450.1218
1.109370.95180.12418
1.11280.942050.12662
1.116220.932180.12915
1.119650.922190.13175
1.123080.912090.13443
1.126510.901860.1372
1.129940.891520.14005
1.133370.881040.14301
1.13680.870440.14606
1.140220.85970.14922
1.143650.848830.15249
1.147080.837820.15588
1.150510.826670.1594
1.153940.815380.16305
1.157370.803940.16684
1.16080.792360.17078
1.164230.780620.17489
1.167660.768730.17916
1.171090.756690.18361
1.174520.744490.18825
1.177950.732140.1931
1.181380.719630.19817
1.184810.706970.20348
1.188240.694150.20903
1.191670.681180.21485
1.19510.668060.22096
1.198530.654810.22737
1.201960.641420.2341
1.205390.627910.24118
1.208830.614280.24863
1.212260.600560.25647
1.215690.586770.26473
1.219120.572930.27342
1.222550.559050.28256
1.225980.545190.29218
1.229420.531360.30229
1.232850.517620.31291
1.236280.5040.32405
1.239710.490560.33569
1.243150.477340.34785
1.246580.464380.36051
1.250010.451750.37365
1.253450.439480.38723
1.256880.427620.40124
1.260310.41620.41562
1.263750.405250.43033
1.267180.394790.44532
1.270620.384840.46053
1.274050.37540.47593
1.277490.366470.49147
1.280920.358030.50709
1.284360.350090.52276
1.287790.342610.53844
1.291230.335590.5541
1.294660.328990.56971
1.29810.32280.58525
1.301540.316990.60069
1.304970.311530.61604
1.308410.306420.63126
1.311850.301610.64635
1.315280.29710.6613
1.318720.292860.67612
1.322160.288880.69079
1.32560.285130.70531
1.329040.28160.71968
1.332480.278280.7339
1.335910.275150.74797
1.339350.27220.7619
1.342790.269420.77568
1.346230.266790.78932
1.349670.264310.80282
1.353110.261960.81618
1.356550.259750.82941
1.360.257650.8425
1.363440.255660.85547
1.366880.253780.8683
1.370320.2520.88102
1.373760.250320.89361
1.37720.248720.90609
1.380650.24720.91846
1.384090.245770.93071
1.387530.24440.94286
1.390980.243110.95489
1.394420.241890.96683
1.397870.240720.97867
1.401310.239620.99041
1.404760.238581.00205
1.40820.237591.01361
1.411650.236651.02507
1.415090.235761.03645
1.418540.234911.04773
1.421990.234111.05894
1.425430.233361.07007
1.428880.232641.08111
1.432330.231971.09208
1.435780.231331.10298
1.439220.230721.1138
1.442670.230151.12454
1.446120.229621.13522
1.449570.229111.14583
1.453020.228631.15638
1.456470.228191.16686
1.459920.227771.17727
1.463370.227381.18762
1.466830.227011.19791
1.470280.226671.20815
1.473730.226351.21832
1.477180.226061.22844
1.480640.225791.2385
1.484090.225541.24851
1.487540.225311.25846
1.4910.22511.26837
1.494450.224911.27822
1.497910.224741.28802
1.501360.224581.29777
1.504820.224451.30748
1.508280.224331.31714
1.511730.224231.32675
1.515190.224141.33631
1.518650.224071.34584
1.522110.224011.35532
1.525560.223971.36476
1.529020.223951.37415
1.532480.223941.38351
1.535940.223941.39282
1.53940.223951.4021
1.542870.223981.41134
1.546330.224011.42053
1.549790.224061.4297
1.553250.224131.43882
1.556710.22421.44791
1.560180.224291.45697
1.563640.224381.46599
1.567110.224491.47497
1.570570.224611.48393
1.574040.224731.49285
1.57750.224871.50174
1.580970.225021.51059
1.584430.225171.51942
1.58790.225341.52821
1.591370.225511.53698
1.594840.225691.54571
1.598310.225891.55442
1.601780.226091.5631
1.605250.226291.57175
1.608720.226511.58037
1.612190.226731.58896
1.615660.226961.59753
1.619130.22721.60607
1.62260.227451.61459
1.626080.22771.62308
1.629550.227961.63154
1.633020.228231.63998
1.63650.228511.6484
1.639970.228791.65679
1.643450.229081.66515
1.646930.229371.6735
1.65040.229671.68182
1.653880.229981.69012
1.657360.230291.69839
1.660840.230611.70665
1.664320.230941.71488
1.66780.231271.72309
1.671280.23161.73128
1.674760.231951.73945
1.678240.232291.7476
1.681720.232651.75573
1.68520.233011.76384
1.688690.233371.77193

Optical transmission calculator

Free-standing sample in vacuum, normal incidence
Method
Transmittance T
—
Reflectance R
—

Fresnel reflection calculator

Direction
Rp
—
Rs
—
R = (Rp+Rs)/2
—
Phase φp
—
Phase φs
—
Brewster angle θB
—
Critical angle θC
—