Optical constants

Refractive index of C50H80N2O4 (ProSQ-C16)

Bernhardt et al. 2024: Racemic mixture; n,k(o) 0.300–1.69 µm

Data
tabulated nk
Range
0.3001–1.688 µm
Points
638
Optical axis
o
Licence
CC0-1.0

Uniaxial crystal, axes: oe

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.3001–1.688 µm
Refractive index n
1.19407
Extinction coefficient k
0.250464
Permittivity ε1
1.36308
Permittivity ε2
0.598145
Absorption coefficient α
53564 cm⁻¹
Penetration depth δ = λ/(2πk)
373.385 nm
Abbe number Vd
—
Chromatic dispersion dn/dλ
-1.56875 µm⁻¹
Group index ng
2.11587
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

# C50H80N2O4 (ProSQ-C16): Bernhardt et al. 2024: Racemic mixture; n,k(o) 0.300–1.69 µm
c50h80n2o4 = ls.fetch_refractiveindex("organic", "ProSQ-C16", "Bernhardt-rac-o", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c50h80n2o4.range_nm)  # (300.11, 1688.47) nm
eps = c50h80n2o4.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

Racemic mixture rac-ProSQ-C16. Ordinary ray (o).

Conditions

direction
o

References

R. Bernhardt, L. Rieland, T. Wang, M. F. Schumacher, A. Lützen, M. Schiek, P. H. M. van Loosdrecht. Ultrafast excitonic transitions in enantiopure and racemic squaraine thin films. Aggregate e698 (2024) (Numerical data kindly provided by Manuela Schiek)
  • doi:10.1002/agt2.698 Ultrafast Excitonic Transitions in Enantiopure and Racemic Squaraine Thin Films, Aggregate (2024)

Cite

Robin Bernhardt et al.. Ultrafast Excitonic Transitions in Enantiopure and Racemic Squaraine Thin Films. Aggregate, 6, e698 (2024), doi:10.1002/agt2.698; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

638 rows as published
C50H80N2O4 (ProSQ-C16), Bernhardt et al. 2024: Racemic mixture; n,k(o) 0.300–1.69 µm: n and k versus wavelength
λ (µm)nk
0.300111.512470.01205
0.301711.50770.00883
0.303311.502990.00647
0.304911.498460.00483
0.306511.494190.00378
0.308111.490240.0032
0.309711.486640.00296
0.311311.483370.00293
0.312911.480370.00301
0.314511.477570.00315
0.316111.474910.00334
0.317711.472350.00359
0.319311.469870.00389
0.320911.467450.00424
0.322511.465050.00465
0.324111.462660.00513
0.325711.460270.00571
0.327311.457890.00641
0.328921.45550.00724
0.330521.45310.00822
0.332121.45070.0094
0.333721.448330.01083
0.335321.446030.01254
0.336921.443890.01458
0.338521.442040.01697
0.340121.440640.01962
0.341721.439750.02237
0.343321.43940.02505
0.344921.439520.02753
0.346521.440060.02966
0.348121.440830.03133
0.349721.441660.03257
0.351331.442440.03344
0.352931.44310.03403
0.354531.443610.03439
0.356131.443960.03458
0.357731.444130.03468
0.359331.444140.03472
0.360931.444020.03473
0.362531.443750.03473
0.364131.443370.03476
0.365731.442880.03484
0.367331.442310.03498
0.368941.44170.03522
0.370541.441070.03553
0.372141.440470.03591
0.373741.439890.03634
0.375341.439340.0368
0.376941.438850.03729
0.378541.43840.03779
0.380141.438010.03829
0.381741.437680.03877
0.383351.437420.03921
0.384951.43720.03959
0.386551.437020.03988
0.388151.436870.04009
0.389751.436720.04018
0.391351.436540.04014
0.392951.436260.03999
0.394551.435880.03976
0.396151.435360.03948
0.397761.434710.0392
0.399361.433940.03895
0.400961.433060.03875
0.402561.432080.03864
0.404161.431060.03865
0.405761.430050.03876
0.407361.429080.03895
0.408961.428170.03919
0.410571.427330.03945
0.412171.426560.03969
0.413771.425840.03989
0.415371.425170.04003
0.416971.424520.04008
0.418571.423850.04003
0.420171.423130.03989
0.421781.422330.03968
0.423381.421440.03943
0.424981.420450.03915
0.426581.419380.03886
0.428181.418210.03859
0.429781.416960.03834
0.431381.415640.03814
0.432981.414270.03799
0.434581.412880.03789
0.436191.411470.03782
0.437791.410060.03778
0.439391.408640.03775
0.440991.407220.03772
0.442591.405790.03767
0.444191.404340.03761
0.445791.402880.03752
0.447391.401380.03738
0.4491.399820.0372
0.45061.39820.03699
0.45221.396490.03676
0.45381.394690.03651
0.45541.392810.03626
0.4571.390820.03602
0.45861.388740.03578
0.46021.386570.03557
0.46181.384290.03539
0.46341.38190.03525
0.4651.379420.03515
0.466611.376830.03511
0.468211.374130.03514
0.469811.371340.03526
0.471411.368450.03547
0.473011.365480.03579
0.474611.362430.03623
0.476211.359310.0368
0.477811.356150.03752
0.479411.352960.03838
0.481011.349770.03941
0.482611.346610.04061
0.484211.343530.04197
0.485811.340560.04343
0.487411.337720.04497
0.489021.3350.04655
0.490621.332410.04811
0.492221.329930.04964
0.493821.327550.0511
0.495421.325250.05244
0.497021.322980.05364
0.498621.320720.05468
0.500221.318420.05552
0.501821.315990.05613
0.503421.313340.05653
0.505021.310390.05679
0.506621.307090.05699
0.508221.303420.05719
0.509821.299380.05748
0.511421.294960.05791
0.513021.290190.05856
0.514621.285070.05948
0.516221.279640.06075
0.517821.273930.06242
0.519421.2680.06455
0.521021.261910.0672
0.522621.255740.07042
0.524221.249640.07426
0.525821.243710.07865
0.527421.238040.08354
0.529021.232670.08887
0.530621.227660.09457
0.532221.223040.1006
0.533821.218820.10689
0.535421.215020.11338
0.537021.211650.12003
0.538621.208720.12676
0.540211.206220.13353
0.541821.204130.1403
0.543411.202440.147
0.545011.201120.15359
0.546611.200140.16003
0.548211.199460.1663
0.549811.199040.17238
0.551411.198850.17825
0.553011.198870.18391
0.554611.199080.18934
0.556211.199440.19454
0.557811.199930.19948
0.55941.200520.20418
0.5611.201180.2086
0.56261.20190.21276
0.56421.202630.21665
0.56581.203350.22026
0.56741.204020.22358
0.5691.204610.22663
0.570591.205080.2294
0.572191.205360.2319
0.573791.205410.23417
0.575391.205210.23626
0.576991.204720.23822
0.578591.203950.24008
0.580181.202880.24187
0.581781.201520.24365
0.583381.199870.24543
0.584981.197920.24726
0.586571.195690.24917
0.588171.193180.25118
0.589771.19040.25333
0.591371.187370.25564
0.592961.184110.25814
0.594561.180640.26085
0.596161.176970.26381
0.597761.173150.26703
0.599361.16920.27052
0.600951.165170.27429
0.602551.161090.27832
0.604151.156970.28261
0.605741.152840.28713
0.607341.148690.29189
0.608941.144560.29686
0.610531.140430.30206
0.612131.136330.30745
0.613731.132250.31304
0.615321.12820.31883
0.616921.124180.32479
0.618521.12020.33093
0.620111.116260.33724
0.621711.112360.3437
0.623311.108490.35033
0.62491.104660.3571
0.62651.100860.36402
0.62811.097090.37108
0.629691.093340.37827
0.631291.08960.38561
0.632881.085870.39309
0.634481.082140.40071
0.636071.078420.40848
0.637671.074680.41639
0.639271.070950.42446
0.640861.067190.43269
0.642461.063420.44107
0.644051.059630.44961
0.645651.055810.45833
0.647241.051950.46722
0.648841.048040.47628
0.650431.044090.48553
0.652031.040070.49497
0.653621.035980.50462
0.655211.031810.51447
0.656811.027540.52455
0.65841.023150.53486
0.661.018630.54543
0.661591.013950.55627
0.663191.009070.56741
0.664781.003970.57892
0.666370.998650.59086
0.667970.993110.60329
0.669560.987370.61627
0.671160.981460.62985
0.672750.975390.64407
0.674340.969210.65899
0.675940.962930.67465
0.677530.956590.69108
0.679120.950230.70832
0.680720.943880.72642
0.682310.937560.74539
0.68390.93130.76528
0.68550.925130.78613
0.687090.919060.80796
0.688680.913090.83082
0.690270.907230.85477
0.691870.901460.87987
0.693460.895730.90621
0.695050.889970.93391
0.696640.884080.96317
0.698240.877840.99428
0.699830.870851.02785
0.701420.862921.06588
0.703010.856591.11051
0.70460.856031.16132
0.706190.863691.2135
0.707790.876621.26315
0.709380.890331.31087
0.710970.90431.36069
0.712560.92121.41431
0.714150.943511.47063
0.715740.971591.52798
0.717331.00511.58581
0.718921.044541.64446
0.720521.091461.70353
0.722111.147471.7612
0.72371.212771.815
0.725291.287291.86286
0.726881.370391.90165
0.728471.459571.92887
0.730061.552251.94295
0.731651.644871.94217
0.733241.732121.92629
0.734831.807441.89934
0.736411.870421.86955
0.738011.925811.84156
0.739591.979641.81344
0.741182.031391.77991
0.742772.076721.73848
0.744362.110041.69039
0.745952.126771.63871
0.747542.11961.58901
0.749132.08451.5585
0.750712.032641.56565
0.75231.987361.62052
0.753891.973911.71533
0.755482.009891.83411
0.757072.110751.94968
0.758662.264442.02047
0.760242.434512.02708
0.761832.575861.97899
0.763422.673611.92012
0.7652.746851.88089
0.766592.832921.86671
0.768182.949581.8473
0.769773.087191.79976
0.771353.22641.71444
0.772943.35251.59633
0.774533.457461.44958
0.776113.529971.27932
0.77773.56231.10057
0.779283.556260.92812
0.780873.520340.77387
0.782463.46540.64036
0.784053.397110.52783
0.785633.321290.43746
0.787223.244830.3674
0.78883.171650.31381
0.790393.103850.27299
0.791973.042110.24193
0.793552.986890.21823
0.795142.938190.19941
0.796732.894920.1835
0.798312.85620.16966
0.799892.821380.15708
0.801482.789610.14508
0.803062.760080.13359
0.804652.732340.12262
0.806232.70610.11219
0.807812.681140.10231
0.80942.657290.09298
0.810982.634430.08419
0.812562.612470.07594
0.814152.591330.06822
0.815732.570930.06102
0.817312.551240.05432
0.81892.532210.04812
0.820482.51380.0424
0.822062.495990.03713
0.823652.478750.03232
0.825232.462070.02793
0.826812.445920.02395
0.828392.430290.02036
0.829982.415170.01715
0.831562.400550.01429
0.833142.386420.01177
0.834722.372760.00956
0.83632.359580.00764
0.837882.346860.006
0.839462.334590.00461
0.841042.322770.00346
0.842622.311390.00251
0.84422.300430.00176
0.845782.28990.00117
0.847362.279790.000734
0.848942.270070.000422
0.850522.260740.000213
0.85212.251798.8e-05
0.853682.24322.5e-05
0.855262.234963e-06
0.856842.227040.0
0.858422.219420.0
0.862.212060.0
0.861582.204960.0
0.863152.198080.0
0.864732.191420.0
0.866312.184960.0
0.867892.17870.0
0.869472.172620.0
0.871042.166720.0
0.872622.160980.0
0.87422.15540.0
0.875772.149970.0
0.877352.144680.0
0.878932.139530.0
0.880512.134510.0
0.882092.129620.0
0.883662.124850.0
0.885232.120190.0
0.886812.115650.0
0.888392.111210.0
0.889962.106880.0
0.891542.102640.0
0.893122.098510.0
0.894692.094460.0
0.896272.09050.0
0.897842.086630.0
0.899412.082850.0
0.900992.079140.0
0.902562.075510.0
0.904142.071960.0
0.905712.068470.0
0.907292.065060.0
0.908862.061720.0
0.910432.058440.0
0.912012.055230.0
0.913582.052080.0
0.915152.048980.0
0.916722.045950.0
0.91832.042970.0
0.919872.040050.0
0.921452.037180.0
0.923022.034370.0
0.924592.03160.0
0.926162.028890.0
0.927732.026220.0
0.92932.023590.0
0.930882.021020.0
0.932442.018480.0
0.934022.015990.0
0.935582.013540.0
0.937162.011140.0
0.938732.008770.0
0.940292.006440.0
0.941862.004150.0
0.943432.001890.0
0.9451.999670.0
0.946571.997490.0
0.948151.995340.0
0.949711.993220.0
0.951281.991140.0
0.952851.989080.0
0.954411.987060.0
0.955981.985070.0
0.957551.983110.0
0.959121.981180.0
0.960691.979270.0
0.962261.977390.0
0.963821.975550.0
0.965391.973720.0
0.966961.971920.0
0.968521.970150.0
0.970091.968410.0
0.971661.966680.0
0.973221.964980.0
0.974791.963310.0
0.976351.961660.0
0.977921.960020.0
0.979491.958420.0
0.981051.956830.0
0.982611.955260.0
0.984181.953720.0
0.985751.952190.0
0.987311.950690.0
0.988871.94920.0
0.990431.947730.0
0.9921.946290.0
0.993561.944860.0
0.995121.943440.0
0.996691.942050.0
0.998251.940670.0
0.999821.939310.0
1.013251.928260.0
1.016681.925620.0
1.020111.923040.0
1.023541.920520.0
1.026961.918060.0
1.030391.915670.0
1.033821.913330.0
1.037251.911040.0
1.040681.908810.0
1.04411.906630.0
1.047531.904490.0
1.050951.902410.0
1.054391.900370.0
1.057811.898370.0
1.061241.896420.0
1.064661.894510.0
1.068091.892640.0
1.071521.890810.0
1.074951.889020.0
1.078381.887260.0
1.08181.885540.0
1.085231.883850.0
1.088661.88220.0
1.092081.880580.0
1.095511.878990.0
1.098941.877440.0
1.102371.875910.0
1.10581.874410.0
1.109221.872940.0
1.112651.871490.0
1.116081.870080.0
1.119511.868690.0
1.122931.867320.0
1.126361.865980.0
1.129791.864660.0
1.133221.863370.0
1.136661.86210.0
1.140081.860850.0
1.143511.859620.0
1.146941.858410.0
1.150371.857230.0
1.153791.856060.0
1.157231.854920.0
1.160651.853790.0
1.164081.852680.0
1.167511.851590.0
1.170941.850520.0
1.174371.849460.0
1.17781.848420.0
1.181231.84740.0
1.184661.846390.0
1.188091.84540.0
1.191511.844430.0
1.194951.843460.0
1.198381.842520.0
1.20181.841590.0
1.205241.840670.0
1.208671.839770.0
1.21211.838880.0
1.215531.8380.0
1.218961.837140.0
1.22241.836280.0
1.225831.835440.0
1.229261.834620.0
1.232691.83380.0
1.236121.8330.0
1.239561.832210.0
1.242991.831420.0
1.246421.830650.0
1.249851.829890.0
1.253291.829140.0
1.256721.82840.0
1.260161.827670.0
1.263581.826960.0
1.267021.826250.0
1.270461.825550.0
1.273891.824850.0
1.277321.824170.0
1.280761.82350.0
1.28421.822840.0
1.287631.822180.0
1.291061.821530.0
1.29451.820890.0
1.297941.820260.0
1.301371.819640.0
1.304811.819020.0
1.308251.818420.0
1.311681.817820.0
1.315121.817230.0
1.318561.816640.0
1.321991.816060.0
1.325421.815490.0
1.328861.814930.0
1.33231.814370.0
1.335751.813820.0
1.339181.813280.0
1.342621.812740.0
1.346061.812210.0
1.34951.811680.0
1.352931.811160.0
1.356381.810650.0
1.359821.810140.0
1.363261.809640.0
1.36671.809150.0
1.370141.808660.0
1.373591.808170.0
1.377021.807690.0
1.380471.807220.0
1.383911.806750.0
1.387361.806290.0
1.39081.805830.0
1.394241.805380.0
1.397681.804930.0
1.401131.804490.0
1.404571.804050.0
1.408021.803620.0
1.411461.803190.0
1.414911.802760.0
1.418361.802340.0
1.42181.801930.0
1.425251.801520.0
1.42871.801110.0
1.432151.800710.0
1.435581.800310.0
1.439051.799920.0
1.442481.799530.0
1.445931.799140.0
1.44941.798760.0
1.452841.798380.0
1.456291.798010.0
1.459741.797630.0
1.463181.797270.0
1.466641.79690.0
1.470091.796540.0
1.473551.796190.0
1.476991.795840.0
1.480441.795490.0
1.48391.795140.0
1.487351.79480.0
1.49081.794460.0
1.494251.794120.0
1.497721.793790.0
1.501161.793460.0
1.504631.793140.0
1.508091.792810.0
1.511541.792490.0
1.5151.792180.0
1.518451.791860.0
1.521911.791550.0
1.525381.791240.0
1.528821.790940.0
1.53231.790630.0
1.535751.790340.0
1.53921.790040.0
1.542671.789740.0
1.546131.789450.0
1.549591.789160.0
1.553041.788880.0
1.556511.788590.0
1.559981.788310.0
1.563441.788030.0
1.56691.787760.0
1.570371.787480.0
1.573841.787210.0
1.577311.786940.0
1.580771.786680.0
1.584241.786410.0
1.587711.786150.0
1.591171.785890.0
1.594631.785630.0
1.598111.785380.0
1.601571.785120.0
1.605041.784870.0
1.608511.784620.0
1.611981.784380.0
1.615451.784130.0
1.618931.783890.0
1.622411.783650.0
1.625871.783410.0
1.629331.783170.0
1.632811.782940.0
1.636281.782710.0
1.639761.782480.0
1.643241.782250.0
1.646711.782020.0
1.65021.78180.0
1.653671.781570.0
1.657141.781350.0
1.660631.781130.0
1.664111.780910.0
1.667571.78070.0
1.671061.780480.0
1.674531.780270.0
1.678021.780060.0
1.681511.779850.0
1.684981.779640.0
1.688471.779440.0

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
—