Optical constants

Refractive index of ZERODUR® (SCHOTT)

ZERODUR®: n 0.365–2.325 µm

Data
formula 2
Range
0.365–2.325 µm
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.365–2.325 µm
Refractive index n
1.54236
Extinction coefficient k
0
Permittivity ε1
2.37887
Permittivity ε2
0
Absorption coefficient α
0 cm⁻¹
Penetration depth δ = λ/(2πk)
— nm
Abbe number Vd
56.118
Chromatic dispersion dn/dλ
-0.0497862 µm⁻¹
Group index ng
1.57161
Group velocity dispersion
87.5886 fs²/mm
Dispersion parameter D
-477.842 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

# ZERODUR® (SCHOTT): ZERODUR®
schott_zerodur = ls.fetch_refractiveindex("specs", "SCHOTT-misc", "ZERODUR", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(schott_zerodur.range_nm)  # (365, 2325) nm
eps = schott_zerodur.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.

Dispersion formula

Sellmeier (C in µm²) (formula 2), λ in µm
n2−1=1.3182408λ2λ2−0.00879+0.0244λ2λ2−0.0609+1.08915181λ2λ2−110.0

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C21.3182408
C30.00879
C40.0244
C50.0609
C61.08915181
C7110.0

References

Cite

SCHOTT Technical Information: Optical Properties of ZERODUR, November 2007; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

Computed on 400 wavelengths, the same grid as the API and the library
ZERODUR® (SCHOTT), ZERODUR®: n and k versus wavelength
λ (µm)n
0.3651.566839
0.3666981.566431
0.3684031.566028
0.3701171.565631
0.3718381.565239
0.3735681.564852
0.3753061.564471
0.3770511.564095
0.3788051.563723
0.3805671.563357
0.3823371.562995
0.3841161.562638
0.3859021.562285
0.3876971.561937
0.38951.561594
0.3913121.561254
0.3931321.560919
0.3949611.560588
0.3967981.560262
0.3986441.559939
0.4004981.55962
0.4023611.559305
0.4042321.558994
0.4061121.558686
0.4080011.558382
0.4098991.558082
0.4118061.557785
0.4137211.557492
0.4156451.557202
0.4175791.556916
0.4195211.556633
0.4214721.556353
0.4234331.556076
0.4254021.555802
0.4273811.555532
0.4293691.555265
0.4313661.555
0.4333721.554739
0.4353881.55448
0.4374131.554225
0.4394481.553972
0.4414921.553722
0.4435451.553474
0.4456091.55323
0.4476811.552988
0.4497641.552748
0.4518561.552512
0.4539571.552277
0.4560691.552046
0.458191.551817
0.4603211.55159
0.4624621.551365
0.4646131.551143
0.4667751.550923
0.4689461.550706
0.4711271.550491
0.4733181.550278
0.475521.550067
0.4777321.549859
0.4799541.549652
0.4821861.549448
0.4844291.549246
0.4866821.549045
0.4889461.548847
0.491221.548651
0.4935051.548457
0.49581.548265
0.4981071.548074
0.5004231.547886
0.5027511.547699
0.5050891.547514
0.5074391.547331
0.5097991.54715
0.512171.546971
0.5145531.546793
0.5169461.546617
0.519351.546443
0.5217661.546271
0.5241931.5461
0.5266311.54593
0.5290811.545763
0.5315421.545597
0.5340141.545432
0.5364981.545269
0.5389931.545108
0.54151.544948
0.5440191.54479
0.5465491.544633
0.5490921.544477
0.5516461.544323
0.5542121.54417
0.5567891.544019
0.5593791.543869
0.5619811.543721
0.5645951.543573
0.5672211.543428
0.5698591.543283
0.572511.54314
0.5751731.542998
0.5778481.542857
0.5805361.542718
0.5832361.542579
0.5859491.542442
0.5886751.542306
0.5914131.542172
0.5941641.542038
0.5969271.541906
0.5997041.541774
0.6024931.541644
0.6052961.541515
0.6081111.541387
0.610941.54126
0.6137811.541134
0.6166361.54101
0.6195041.540886
0.6223861.540763
0.6252811.540642
0.6281891.540521
0.6311111.540401
0.6340471.540282
0.6369961.540164
0.6399591.540047
0.6429351.539932
0.6459261.539816
0.648931.539702
0.6519491.539589
0.6549811.539477
0.6580281.539365
0.6610881.539254
0.6641631.539145
0.6672521.539036
0.6703561.538928
0.6734741.53882
0.6766071.538714
0.6797541.538608
0.6829151.538503
0.6860921.538399
0.6892831.538295
0.6924891.538192
0.695711.53809
0.6989461.537989
0.7021971.537889
0.7054631.537789
0.7087451.53769
0.7120411.537591
0.7153531.537493
0.7186811.537396
0.7220231.5373
0.7253821.537204
0.7287561.537109
0.7321461.537014
0.7355511.53692
0.7389721.536827
0.7424091.536734
0.7458631.536642
0.7493321.53655
0.7528171.536459
0.7563191.536368
0.7598371.536278
0.7633711.536189
0.7669221.5361
0.7704891.536012
0.7740731.535924
0.7776731.535837
0.781291.53575
0.7849241.535663
0.7885751.535578
0.7922431.535492
0.7959281.535407
0.799631.535323
0.803351.535239
0.8070861.535155
0.810841.535072
0.8146121.534989
0.8184011.534907
0.8222081.534825
0.8260321.534743
0.8298741.534662
0.8337341.534582
0.8376121.534501
0.8415081.534421
0.8454221.534342
0.8493551.534262
0.8533051.534183
0.8572741.534105
0.8612621.534027
0.8652681.533949
0.8692921.533871
0.8733361.533794
0.8773981.533717
0.8814791.53364
0.8855791.533563
0.8896981.533487
0.8938361.533411
0.8979941.533336
0.9021711.53326
0.9063671.533185
0.9105831.53311
0.9148181.533036
0.9190731.532961
0.9233481.532887
0.9276431.532813
0.9319581.532739
0.9362931.532666
0.9406481.532592
0.9450231.532519
0.9494191.532446
0.9538351.532373
0.9582711.532301
0.9627291.532228
0.9672071.532156
0.9717051.532084
0.9762251.532012
0.9807661.53194
0.9853281.531868
0.9899111.531796
0.9945151.531725
0.9991411.531653
1.003791.531582
1.008461.531511
1.013151.531439
1.017861.531368
1.022591.531297
1.027351.531226
1.032131.531155
1.036931.531085
1.041751.531014
1.04661.530943
1.051471.530872
1.056361.530802
1.061271.530731
1.066211.53066
1.071171.53059
1.076151.530519
1.081151.530448
1.086181.530378
1.091241.530307
1.096311.530236
1.101411.530166
1.106531.530095
1.111681.530024
1.116851.529953
1.122051.529882
1.127271.529811
1.132511.52974
1.137781.529669
1.143071.529598
1.148391.529526
1.153731.529455
1.159091.529384
1.164481.529312
1.16991.52924
1.175341.529168
1.180811.529096
1.18631.529024
1.191821.528952
1.197361.528879
1.202931.528807
1.208531.528734
1.214151.528661
1.21981.528588
1.225471.528515
1.231171.528441
1.23691.528368
1.242651.528294
1.248431.52822
1.254241.528146
1.260071.528071
1.265931.527996
1.271821.527921
1.277741.527846
1.283681.527771
1.289651.527695
1.295651.527619
1.301671.527542
1.307731.527466
1.313811.527389
1.319921.527312
1.326061.527234
1.332231.527157
1.338431.527079
1.344651.527
1.350911.526921
1.357191.526842
1.36351.526763
1.369851.526683
1.376221.526603
1.382621.526522
1.389051.526441
1.395511.52636
1.4021.526279
1.408521.526196
1.415071.526114
1.421661.526031
1.428271.525948
1.434911.525864
1.441591.52578
1.448291.525695
1.455031.52561
1.46181.525524
1.468591.525438
1.475431.525352
1.482291.525265
1.489181.525177
1.496111.525089
1.503071.525001
1.510061.524912
1.517081.524822
1.524141.524732
1.531231.524641
1.538351.52455
1.545511.524458
1.55271.524366
1.559921.524273
1.567171.524179
1.574461.524085
1.581791.52399
1.589141.523895
1.596541.523799
1.603961.523702
1.611421.523605
1.618921.523507
1.626451.523408
1.634011.523309
1.641611.523209
1.649251.523108
1.656921.523007
1.664631.522905
1.672371.522802
1.680151.522698
1.687961.522594
1.695811.522489
1.70371.522383
1.711631.522276
1.719591.522169
1.727591.52206
1.735621.521951
1.743691.521841
1.751811.521731
1.759951.521619
1.768141.521506
1.776361.521393
1.784631.521279
1.792931.521164
1.801271.521048
1.809641.520931
1.818061.520813
1.826521.520694
1.835011.520575
1.843551.520454
1.852121.520332
1.860741.520209
1.869391.520086
1.878091.519961
1.886821.519835
1.89561.519709
1.904421.519581
1.913281.519452
1.922181.519322
1.931121.519191
1.94011.519058
1.949121.518925
1.958191.518791
1.96731.518655
1.976451.518518
1.985641.51838
1.994881.518241
2.004161.518101
2.013481.517959
2.022841.517816
2.032251.517672
2.04171.517527
2.05121.51738
2.060741.517232
2.070331.517083
2.079961.516932
2.089631.51678
2.099351.516627
2.109121.516472
2.118931.516316
2.128781.516159
2.138681.516
2.148631.515839
2.158621.515677
2.168671.515514
2.178751.515349
2.188891.515182
2.199071.515014
2.20931.514845
2.219571.514674
2.22991.514501
2.240271.514326
2.250691.51415
2.261161.513973
2.271671.513793
2.282241.513612
2.292861.513429
2.303521.513245
2.314241.513058
2.3251.51287

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
—