Optical constants

Refractive index of (C68H76F2O2S8)n (PBDB-T-2F)

Kamptner et al. 2024: n,k(e) 0.191–1.69 µm

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

Uniaxial crystal, axes: oe

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.1915–1.689 µm
Refractive index n
1.5664
Extinction coefficient k
0.0304416
Permittivity ε1
2.45269
Permittivity ε2
0.0953676
Absorption coefficient α
6510.21 cm⁻¹
Penetration depth δ = λ/(2πk)
3072.1 nm
Abbe number Vd
—
Chromatic dispersion dn/dλ
0.19375 µm⁻¹
Group index ng
1.45256
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

# (C68H76F2O2S8)n (PBDB-T-2F): Kamptner et al. 2024: n,k(e) 0.191–1.69 µm
pbdb_t_2f = ls.fetch_refractiveindex("organic", "PBDB-T-2F", "Kamptner-e", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(pbdb_t_2f.range_nm)  # (191.46, 1688.69) nm
eps = pbdb_t_2f.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

Extraordinary ray (e)

Conditions

direction
e

References

A. Kamptner, M. C. Scharber, M. Schiek. Accurate determination of the uniaxial complex refractive index and the optical band gap of polymer thin films to correlate their absorption strength and onset of absorption. Chem. Phys. Chem. e202400233 (2024) (Numerical data kindly provided by Manuela Schiek)
  • doi:10.1002/cphc.202400233 Accurate Determination of the Uniaxial Complex Refractive Index and the Optical Band Gap of Polymer Thin Films to Correlate Their Absorption Strength and Onset of Absorption, ChemPhysChem (2024)

Cite

Alexander Kamptner, Markus C. Scharber and Manuela Schiek. Accurate Determination of the Uniaxial Complex Refractive Index and the Optical Band Gap of Polymer Thin Films to Correlate Their Absorption Strength and Onset of Absorption. ChemPhysChem, 25, e202400233 (2024), doi:10.1002/cphc.202400233; 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
(C68H76F2O2S8)n (PBDB-T-2F), Kamptner et al. 2024: n,k(e) 0.191–1.69 µm: n and k versus wavelength
λ (µm)nk
0.191461.3520.16744
0.193051.434440.15698
0.194651.485430.12418
0.196251.50660.08666
0.197841.504220.05812
0.199441.492420.04695
0.201041.483340.04818
0.202631.481070.05483
0.204231.485660.06045
0.205831.492740.0604
0.207421.497220.05602
0.209021.497630.05019
0.210621.494080.04546
0.212221.488060.04406
0.213811.482570.04638
0.215411.479270.05077
0.217011.478550.05555
0.21861.480050.05924
0.22021.482550.06057
0.22181.48420.05974
0.22341.484170.05778
0.224991.482270.05565
0.226591.478610.0542
0.228191.473690.05421
0.229791.468380.05597
0.231391.463280.05926
0.232981.458720.0639
0.234581.454980.06967
0.236181.452270.07638
0.237781.450860.08381
0.239381.450940.09156
0.240971.452530.09921
0.242571.455520.10638
0.244171.459720.11274
0.245771.464840.11797
0.247371.470390.12191
0.248971.475930.1247
0.250571.481230.12661
0.252161.486170.12784
0.253761.490720.12861
0.255361.49490.12908
0.256961.498760.12943
0.258561.502450.12971
0.260161.506070.12992
0.261761.509640.13002
0.263361.513190.12998
0.264961.516730.12981
0.266561.520260.12947
0.268151.523760.12895
0.269751.527240.12824
0.271351.530670.12734
0.272951.534050.12624
0.274551.537370.12494
0.276151.54060.12344
0.277751.543740.12174
0.279351.546760.11984
0.280951.549630.11773
0.282551.552340.11543
0.284151.554850.11298
0.285751.557160.11038
0.287351.559250.10767
0.288951.561130.10486
0.290551.562790.10197
0.292151.564240.09903
0.293751.565460.09604
0.295351.566460.09303
0.296951.567230.09001
0.298551.567780.08701
0.300151.568110.08405
0.301751.568230.08114
0.303351.568160.07831
0.304951.567890.07556
0.306551.567450.07293
0.308151.566850.07041
0.309751.56610.06802
0.311351.565230.06577
0.312951.564240.06366
0.314551.563160.06171
0.316151.5620.05989
0.317751.560760.05823
0.319351.559470.05673
0.320951.558130.05538
0.322551.556760.05419
0.324161.555380.05316
0.325761.5540.0523
0.327361.552650.05159
0.328961.551340.05103
0.330561.550090.0506
0.332161.548910.05028
0.333761.54780.05007
0.335361.546770.04995
0.336961.545830.04991
0.338561.544970.04994
0.340161.54420.05003
0.341761.543510.05016
0.343361.542920.05033
0.344971.542420.05053
0.346571.542020.05075
0.348171.541710.05098
0.349771.541490.05119
0.351371.541350.05138
0.352971.54130.05155
0.354571.541310.05167
0.356171.54140.05174
0.357771.541530.05175
0.359381.541710.05169
0.360981.541930.05156
0.362581.542160.05134
0.364181.542390.05103
0.365781.54260.05063
0.367381.542750.05015
0.368981.542830.0496
0.370581.542820.04902
0.372191.542730.04842
0.373791.542550.04781
0.375391.542280.04722
0.376991.541940.04666
0.378591.541510.04615
0.380191.541010.0457
0.381791.540450.04533
0.383391.539840.04504
0.3851.53920.04486
0.38661.538540.04478
0.38821.537890.04484
0.38981.537270.04501
0.39141.536730.0453
0.3931.536280.04568
0.39461.535920.04612
0.396211.535670.0466
0.397811.535530.04712
0.399411.53550.04765
0.401011.535570.04817
0.402611.535750.04868
0.404211.536030.04915
0.405811.536410.04957
0.407421.536860.04992
0.409021.53740.05021
0.410621.537990.0504
0.412221.538640.0505
0.413821.539320.05049
0.415421.540010.05035
0.417021.540680.05011
0.418631.54130.04977
0.420231.541880.04934
0.421831.542390.04884
0.423431.542830.04828
0.425031.54320.04768
0.426631.543490.04704
0.428231.54370.04639
0.429841.543830.04572
0.431441.543890.04505
0.433041.543880.04439
0.434641.543790.04375
0.436241.543640.04314
0.437841.543420.04257
0.439441.543140.04204
0.441051.542820.04156
0.442651.542450.04115
0.444251.542050.0408
0.445851.541620.04053
0.447451.541190.04033
0.449051.540770.0402
0.450651.540370.04013
0.452251.539990.04011
0.453861.539640.04014
0.455461.539320.04022
0.457061.539030.04033
0.458661.538780.04048
0.460261.538570.04065
0.461861.53840.04085
0.463461.538270.04106
0.465061.538170.04128
0.466671.538120.04152
0.468271.53810.04175
0.469871.538120.04199
0.471471.538180.04222
0.473071.538280.04244
0.474671.53840.04265
0.476271.538560.04285
0.477871.538740.04303
0.479471.538950.04319
0.481071.539170.04333
0.482671.539410.04344
0.484281.539660.04353
0.485881.539910.04359
0.487481.540160.04364
0.489081.540420.04367
0.490681.540670.04369
0.492281.540920.04369
0.493881.541170.04369
0.495481.541420.04367
0.497081.541660.04365
0.498681.541890.04362
0.500281.542130.04359
0.501881.542350.04355
0.503481.542580.04351
0.505081.54280.04348
0.506681.543020.04344
0.508281.543230.0434
0.509891.543450.04337
0.511491.543660.04335
0.513091.543870.04332
0.514691.544090.04331
0.516291.54430.0433
0.517891.544530.0433
0.519491.544760.04331
0.521091.544990.04334
0.522691.545240.04337
0.524291.545510.04341
0.525891.545790.04346
0.527491.54610.04351
0.529091.546430.04357
0.530691.546780.04362
0.532291.547150.04368
0.533891.547550.04372
0.535491.547980.04376
0.537091.548420.04378
0.538681.548890.0438
0.540281.549380.04379
0.541881.549890.04378
0.543481.550430.04374
0.545081.550980.04368
0.546681.551550.0436
0.548281.552140.04349
0.549881.552750.04336
0.551481.553370.0432
0.553081.5540.04301
0.554681.554640.04279
0.556281.55530.04254
0.557881.555960.04226
0.559481.556630.04194
0.561071.55730.04159
0.562671.557970.0412
0.564271.558650.04077
0.565871.559320.04031
0.567471.559980.03981
0.569071.560640.03926
0.570671.561280.03868
0.572271.561910.03805
0.573861.562510.03738
0.575461.563090.03668
0.577061.563640.03594
0.578661.564160.03517
0.580261.564640.03438
0.581861.565090.03356
0.583451.56550.03271
0.585051.565880.03185
0.586651.566220.03097
0.588251.566530.03008
0.589851.566790.02917
0.591441.567020.02826
0.593041.567210.02734
0.594641.567370.02641
0.596241.567480.02548
0.597831.567560.02455
0.599431.567610.02362
0.601031.567610.02269
0.602631.567580.02177
0.604221.567520.02085
0.605821.567420.01995
0.607421.567290.01905
0.609021.567130.01817
0.610611.566930.01729
0.612211.56670.01644
0.613811.566450.01559
0.61541.566160.01477
0.6171.565850.01397
0.61861.565510.01318
0.620191.565150.01242
0.621791.564760.01168
0.623391.564350.01096
0.624981.563920.01027
0.626581.563470.0096
0.628181.5630.00897
0.629771.562520.00836
0.631371.562020.00778
0.632961.561520.00723
0.634561.561010.00671
0.636161.560490.00621
0.637751.559970.00575
0.639351.559450.00531
0.640941.558930.00489
0.642541.558410.0045
0.644131.557890.00414
0.645731.557370.00379
0.647321.556860.00347
0.648921.556350.00316
0.650511.555840.00288
0.652111.555350.00261
0.65371.554850.00237
0.65531.554370.00214
0.656891.553880.00192
0.658491.553410.00172
0.660081.552940.00154
0.661681.552490.00137
0.663271.552040.00122
0.664871.551590.00107
0.666461.551160.000943
0.668051.550730.000824
0.669651.550320.000716
0.671241.549910.000618
0.672841.549510.00053
0.674431.549120.000451
0.676021.548740.000381
0.677621.548370.000319
0.679211.5480.000264
0.68081.547650.000216
0.68241.54730.000174
0.683991.546960.000139
0.685581.546640.000108
0.687181.546328.3e-05
0.688771.546016.2e-05
0.690361.545714.5e-05
0.691961.545413.1e-05
0.693551.545132.1e-05
0.695141.544851.3e-05
0.696731.544587e-06
0.698321.544324e-06
0.699921.544072e-06
0.701511.543820.0
0.70311.543580.0
0.704691.543350.0
0.706281.543120.0
0.707881.542890.0
0.709471.542680.0
0.711061.542470.0
0.712651.542260.0
0.714241.542050.0
0.715831.541860.0
0.717421.541660.0
0.719021.541470.0
0.720611.541280.0
0.72221.54110.0
0.723791.540910.0
0.725381.540740.0
0.726971.540560.0
0.728561.540390.0
0.730151.540220.0
0.731741.540050.0
0.733331.539890.0
0.734921.539730.0
0.736511.539570.0
0.73811.539420.0
0.739691.539260.0
0.741281.539110.0
0.742871.538960.0
0.744461.538820.0
0.746041.538680.0
0.747631.538530.0
0.749221.538390.0
0.750811.538250.0
0.75241.538120.0
0.753991.537980.0
0.755581.537850.0
0.757161.537720.0
0.758751.537590.0
0.760341.537470.0
0.761931.537340.0
0.763521.537220.0
0.76511.53710.0
0.766691.536980.0
0.768281.536860.0
0.769871.536740.0
0.771451.536620.0
0.773041.536510.0
0.774631.53640.0
0.776211.536280.0
0.77781.536180.0
0.779391.536070.0
0.780971.535960.0
0.782561.535850.0
0.784141.535750.0
0.785731.535640.0
0.787321.535540.0
0.78891.535440.0
0.790491.535340.0
0.792071.535240.0
0.793661.535140.0
0.795241.535040.0
0.796831.534950.0
0.798411.534850.0
0.81.534760.0
0.801581.534670.0
0.803171.534570.0
0.804751.534480.0
0.806331.534390.0
0.807921.53430.0
0.80951.534220.0
0.811091.534130.0
0.812671.534040.0
0.814251.533960.0
0.815841.533870.0
0.817421.533790.0
0.8191.533710.0
0.820581.533630.0
0.822171.533540.0
0.823751.533460.0
0.825331.533380.0
0.826911.53330.0
0.82851.533230.0
0.830081.533150.0
0.831661.533070.0
0.833241.5330.0
0.834821.532920.0
0.836411.532850.0
0.837991.532770.0
0.839571.53270.0
0.841151.532630.0
0.842731.532560.0
0.844311.532490.0
0.845891.532420.0
0.847471.532350.0
0.849051.532280.0
0.850631.532210.0
0.852211.532140.0
0.853791.532070.0
0.855371.532010.0
0.856951.531940.0
0.858531.531880.0
0.860111.531810.0
0.861691.531750.0
0.863261.531680.0
0.864841.531620.0
0.866421.531560.0
0.8681.531490.0
0.869581.531430.0
0.871161.531370.0
0.872731.531310.0
0.874311.531250.0
0.875891.531190.0
0.877471.531130.0
0.879041.531070.0
0.880621.531020.0
0.88221.530960.0
0.883771.53090.0
0.885351.530840.0
0.886931.530790.0
0.88851.530730.0
0.890081.530680.0
0.891651.530620.0
0.893231.530570.0
0.894811.530510.0
0.896381.530460.0
0.897961.530410.0
0.899531.530350.0
0.901111.53030.0
0.902681.530250.0
0.904251.53020.0
0.905831.530150.0
0.90741.53010.0
0.908981.530040.0
0.910551.529990.0
0.912121.529950.0
0.91371.52990.0
0.915271.529850.0
0.916841.52980.0
0.918421.529750.0
0.919991.52970.0
0.921561.529650.0
0.923131.529610.0
0.92471.529560.0
0.926281.529510.0
0.927851.529470.0
0.929421.529420.0
0.930991.529380.0
0.932561.529330.0
0.934131.529290.0
0.93571.529240.0
0.937281.52920.0
0.938851.529160.0
0.940421.529110.0
0.941991.529070.0
0.943561.529030.0
0.945131.528980.0
0.946691.528940.0
0.948261.52890.0
0.949831.528860.0
0.95141.528820.0
0.952971.528770.0
0.954541.528730.0
0.956111.528690.0
0.957681.528650.0
0.959241.528610.0
0.960811.528570.0
0.962381.528530.0
0.963951.528490.0
0.965511.528450.0
0.967081.528420.0
0.968651.528380.0
0.970211.528340.0
0.971781.52830.0
0.973351.528260.0
0.974911.528230.0
0.976481.528190.0
0.978041.528150.0
0.979611.528120.0
0.981171.528080.0
0.982741.528040.0
0.98431.528010.0
0.985871.527970.0
0.987431.527940.0
0.9891.52790.0
0.990561.527870.0
0.992121.527830.0
0.993691.52780.0
0.995251.527760.0
0.996811.527730.0
0.998381.527690.0
0.999941.527660.0
1.013381.527380.0
1.016811.527310.0
1.020241.527240.0
1.023671.527170.0
1.027091.52710.0
1.030521.527040.0
1.033951.526970.0
1.037381.526910.0
1.040811.526850.0
1.044231.526780.0
1.047661.526720.0
1.051091.526660.0
1.054521.52660.0
1.057951.526540.0
1.061371.526480.0
1.06481.526420.0
1.068231.526370.0
1.071661.526310.0
1.075091.526250.0
1.078511.52620.0
1.081941.526140.0
1.085371.526090.0
1.08881.526030.0
1.092231.525980.0
1.095651.525930.0
1.099081.525880.0
1.102511.525830.0
1.105941.525780.0
1.109371.525730.0
1.11281.525680.0
1.116221.525630.0
1.119651.525580.0
1.123081.525530.0
1.126511.525480.0
1.129941.525440.0
1.133371.525390.0
1.13681.525350.0
1.140221.52530.0
1.143651.525260.0
1.147081.525210.0
1.150511.525170.0
1.153941.525120.0
1.157371.525080.0
1.16081.525040.0
1.164231.5250.0
1.167661.524960.0
1.171091.524910.0
1.174521.524870.0
1.177951.524830.0
1.181381.524790.0
1.184811.524750.0
1.188241.524720.0
1.191671.524680.0
1.19511.524640.0
1.198531.52460.0
1.201961.524560.0
1.205391.524530.0
1.208831.524490.0
1.212261.524450.0
1.215691.524420.0
1.219121.524380.0
1.222551.524350.0
1.225981.524310.0
1.229421.524280.0
1.232851.524240.0
1.236281.524210.0
1.239711.524170.0
1.243151.524140.0
1.246581.524110.0
1.250011.524080.0
1.253451.524040.0
1.256881.524010.0
1.260311.523980.0
1.263751.523950.0
1.267181.523920.0
1.270621.523890.0
1.274051.523860.0
1.277491.523830.0
1.280921.52380.0
1.284361.523770.0
1.287791.523740.0
1.291231.523710.0
1.294661.523680.0
1.29811.523650.0
1.301541.523620.0
1.304971.523590.0
1.308411.523570.0
1.311851.523540.0
1.315281.523510.0
1.318721.523480.0
1.322161.523460.0
1.32561.523430.0
1.329041.52340.0
1.332481.523380.0
1.335911.523350.0
1.339351.523320.0
1.342791.52330.0
1.346231.523270.0
1.349671.523250.0
1.353111.523220.0
1.356551.52320.0
1.361.523170.0
1.363441.523150.0
1.366881.523130.0
1.370321.52310.0
1.373761.523080.0
1.37721.523060.0
1.380651.523030.0
1.384091.523010.0
1.387531.522990.0
1.390981.522960.0
1.394421.522940.0
1.397871.522920.0
1.401311.52290.0
1.404761.522870.0
1.40821.522850.0
1.411651.522830.0
1.415091.522810.0
1.418541.522790.0
1.421991.522770.0
1.425431.522750.0
1.428881.522730.0
1.432331.52270.0
1.435781.522680.0
1.439221.522660.0
1.442671.522640.0
1.446121.522620.0
1.449571.52260.0
1.453021.522580.0
1.456471.522560.0
1.459921.522550.0
1.463371.522530.0
1.466831.522510.0
1.470281.522490.0
1.473731.522470.0
1.477181.522450.0
1.480641.522430.0
1.484091.522410.0
1.487541.52240.0
1.4911.522380.0
1.494451.522360.0
1.497911.522340.0
1.501361.522320.0
1.504821.522310.0
1.508281.522290.0
1.511731.522270.0
1.515191.522250.0
1.518651.522240.0
1.522111.522220.0
1.525561.52220.0
1.529021.522190.0
1.532481.522170.0
1.535941.522150.0
1.53941.522140.0
1.542871.522120.0
1.546331.522110.0
1.549791.522090.0
1.553251.522070.0
1.556711.522060.0
1.560181.522040.0
1.563641.522030.0
1.567111.522010.0
1.570571.5220.0
1.574041.521980.0
1.57751.521970.0
1.580971.521950.0
1.584431.521940.0
1.58791.521920.0
1.591371.521910.0
1.594841.521890.0
1.598311.521880.0
1.601781.521860.0
1.605251.521850.0
1.608721.521840.0
1.612191.521820.0
1.615661.521810.0
1.619131.521790.0
1.62261.521780.0
1.626081.521770.0
1.629551.521750.0
1.633021.521740.0
1.63651.521730.0
1.639971.521710.0
1.643451.52170.0
1.646931.521690.0
1.65041.521670.0
1.653881.521660.0
1.657361.521650.0
1.660841.521640.0
1.664321.521620.0
1.66781.521610.0
1.671281.52160.0
1.674761.521590.0
1.678241.521570.0
1.681721.521560.0
1.68521.521550.0
1.688691.521540.0

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
—