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
- 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.
import json, urllib.request
import lightsmith as ls
url = "https://materials.lightsmith.dev/v1/datasets/ds_6863fa1f2803/lightsmith"
schott_zerodur = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(schott_zerodur.source) # citation and provenance travel with the data
Any dataset here, as the library's Tabulated material (schott-zerodur/schott).
# ... load schott_zerodur as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=schott_zerodur)],
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"]).
import json, urllib.request
import lightsmith as ls
url = "https://materials.lightsmith.dev/v1/datasets/ds_6863fa1f2803/lightsmith?model=drude_lorentz"
schott_zerodur_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))
A dispersive Drude–Lorentz model for time-domain solvers.
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 µmValid from 0.365 to 2.325 µm.
Coefficients as stored
| Ci | Value |
|---|---|
| C1 | 0.0 |
| C2 | 1.3182408 |
| C3 | 0.00879 |
| C4 | 0.0244 |
| C5 | 0.0609 |
| C6 | 1.08915181 |
| C7 | 110.0 |
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| λ (µm) | n |
|---|---|
| 0.365 | 1.566839 |
| 0.366698 | 1.566431 |
| 0.368403 | 1.566028 |
| 0.370117 | 1.565631 |
| 0.371838 | 1.565239 |
| 0.373568 | 1.564852 |
| 0.375306 | 1.564471 |
| 0.377051 | 1.564095 |
| 0.378805 | 1.563723 |
| 0.380567 | 1.563357 |
| 0.382337 | 1.562995 |
| 0.384116 | 1.562638 |
| 0.385902 | 1.562285 |
| 0.387697 | 1.561937 |
| 0.3895 | 1.561594 |
| 0.391312 | 1.561254 |
| 0.393132 | 1.560919 |
| 0.394961 | 1.560588 |
| 0.396798 | 1.560262 |
| 0.398644 | 1.559939 |
| 0.400498 | 1.55962 |
| 0.402361 | 1.559305 |
| 0.404232 | 1.558994 |
| 0.406112 | 1.558686 |
| 0.408001 | 1.558382 |
| 0.409899 | 1.558082 |
| 0.411806 | 1.557785 |
| 0.413721 | 1.557492 |
| 0.415645 | 1.557202 |
| 0.417579 | 1.556916 |
| 0.419521 | 1.556633 |
| 0.421472 | 1.556353 |
| 0.423433 | 1.556076 |
| 0.425402 | 1.555802 |
| 0.427381 | 1.555532 |
| 0.429369 | 1.555265 |
| 0.431366 | 1.555 |
| 0.433372 | 1.554739 |
| 0.435388 | 1.55448 |
| 0.437413 | 1.554225 |
| 0.439448 | 1.553972 |
| 0.441492 | 1.553722 |
| 0.443545 | 1.553474 |
| 0.445609 | 1.55323 |
| 0.447681 | 1.552988 |
| 0.449764 | 1.552748 |
| 0.451856 | 1.552512 |
| 0.453957 | 1.552277 |
| 0.456069 | 1.552046 |
| 0.45819 | 1.551817 |
| 0.460321 | 1.55159 |
| 0.462462 | 1.551365 |
| 0.464613 | 1.551143 |
| 0.466775 | 1.550923 |
| 0.468946 | 1.550706 |
| 0.471127 | 1.550491 |
| 0.473318 | 1.550278 |
| 0.47552 | 1.550067 |
| 0.477732 | 1.549859 |
| 0.479954 | 1.549652 |
| 0.482186 | 1.549448 |
| 0.484429 | 1.549246 |
| 0.486682 | 1.549045 |
| 0.488946 | 1.548847 |
| 0.49122 | 1.548651 |
| 0.493505 | 1.548457 |
| 0.4958 | 1.548265 |
| 0.498107 | 1.548074 |
| 0.500423 | 1.547886 |
| 0.502751 | 1.547699 |
| 0.505089 | 1.547514 |
| 0.507439 | 1.547331 |
| 0.509799 | 1.54715 |
| 0.51217 | 1.546971 |
| 0.514553 | 1.546793 |
| 0.516946 | 1.546617 |
| 0.51935 | 1.546443 |
| 0.521766 | 1.546271 |
| 0.524193 | 1.5461 |
| 0.526631 | 1.54593 |
| 0.529081 | 1.545763 |
| 0.531542 | 1.545597 |
| 0.534014 | 1.545432 |
| 0.536498 | 1.545269 |
| 0.538993 | 1.545108 |
| 0.5415 | 1.544948 |
| 0.544019 | 1.54479 |
| 0.546549 | 1.544633 |
| 0.549092 | 1.544477 |
| 0.551646 | 1.544323 |
| 0.554212 | 1.54417 |
| 0.556789 | 1.544019 |
| 0.559379 | 1.543869 |
| 0.561981 | 1.543721 |
| 0.564595 | 1.543573 |
| 0.567221 | 1.543428 |
| 0.569859 | 1.543283 |
| 0.57251 | 1.54314 |
| 0.575173 | 1.542998 |
| 0.577848 | 1.542857 |
| 0.580536 | 1.542718 |
| 0.583236 | 1.542579 |
| 0.585949 | 1.542442 |
| 0.588675 | 1.542306 |
| 0.591413 | 1.542172 |
| 0.594164 | 1.542038 |
| 0.596927 | 1.541906 |
| 0.599704 | 1.541774 |
| 0.602493 | 1.541644 |
| 0.605296 | 1.541515 |
| 0.608111 | 1.541387 |
| 0.61094 | 1.54126 |
| 0.613781 | 1.541134 |
| 0.616636 | 1.54101 |
| 0.619504 | 1.540886 |
| 0.622386 | 1.540763 |
| 0.625281 | 1.540642 |
| 0.628189 | 1.540521 |
| 0.631111 | 1.540401 |
| 0.634047 | 1.540282 |
| 0.636996 | 1.540164 |
| 0.639959 | 1.540047 |
| 0.642935 | 1.539932 |
| 0.645926 | 1.539816 |
| 0.64893 | 1.539702 |
| 0.651949 | 1.539589 |
| 0.654981 | 1.539477 |
| 0.658028 | 1.539365 |
| 0.661088 | 1.539254 |
| 0.664163 | 1.539145 |
| 0.667252 | 1.539036 |
| 0.670356 | 1.538928 |
| 0.673474 | 1.53882 |
| 0.676607 | 1.538714 |
| 0.679754 | 1.538608 |
| 0.682915 | 1.538503 |
| 0.686092 | 1.538399 |
| 0.689283 | 1.538295 |
| 0.692489 | 1.538192 |
| 0.69571 | 1.53809 |
| 0.698946 | 1.537989 |
| 0.702197 | 1.537889 |
| 0.705463 | 1.537789 |
| 0.708745 | 1.53769 |
| 0.712041 | 1.537591 |
| 0.715353 | 1.537493 |
| 0.718681 | 1.537396 |
| 0.722023 | 1.5373 |
| 0.725382 | 1.537204 |
| 0.728756 | 1.537109 |
| 0.732146 | 1.537014 |
| 0.735551 | 1.53692 |
| 0.738972 | 1.536827 |
| 0.742409 | 1.536734 |
| 0.745863 | 1.536642 |
| 0.749332 | 1.53655 |
| 0.752817 | 1.536459 |
| 0.756319 | 1.536368 |
| 0.759837 | 1.536278 |
| 0.763371 | 1.536189 |
| 0.766922 | 1.5361 |
| 0.770489 | 1.536012 |
| 0.774073 | 1.535924 |
| 0.777673 | 1.535837 |
| 0.78129 | 1.53575 |
| 0.784924 | 1.535663 |
| 0.788575 | 1.535578 |
| 0.792243 | 1.535492 |
| 0.795928 | 1.535407 |
| 0.79963 | 1.535323 |
| 0.80335 | 1.535239 |
| 0.807086 | 1.535155 |
| 0.81084 | 1.535072 |
| 0.814612 | 1.534989 |
| 0.818401 | 1.534907 |
| 0.822208 | 1.534825 |
| 0.826032 | 1.534743 |
| 0.829874 | 1.534662 |
| 0.833734 | 1.534582 |
| 0.837612 | 1.534501 |
| 0.841508 | 1.534421 |
| 0.845422 | 1.534342 |
| 0.849355 | 1.534262 |
| 0.853305 | 1.534183 |
| 0.857274 | 1.534105 |
| 0.861262 | 1.534027 |
| 0.865268 | 1.533949 |
| 0.869292 | 1.533871 |
| 0.873336 | 1.533794 |
| 0.877398 | 1.533717 |
| 0.881479 | 1.53364 |
| 0.885579 | 1.533563 |
| 0.889698 | 1.533487 |
| 0.893836 | 1.533411 |
| 0.897994 | 1.533336 |
| 0.902171 | 1.53326 |
| 0.906367 | 1.533185 |
| 0.910583 | 1.53311 |
| 0.914818 | 1.533036 |
| 0.919073 | 1.532961 |
| 0.923348 | 1.532887 |
| 0.927643 | 1.532813 |
| 0.931958 | 1.532739 |
| 0.936293 | 1.532666 |
| 0.940648 | 1.532592 |
| 0.945023 | 1.532519 |
| 0.949419 | 1.532446 |
| 0.953835 | 1.532373 |
| 0.958271 | 1.532301 |
| 0.962729 | 1.532228 |
| 0.967207 | 1.532156 |
| 0.971705 | 1.532084 |
| 0.976225 | 1.532012 |
| 0.980766 | 1.53194 |
| 0.985328 | 1.531868 |
| 0.989911 | 1.531796 |
| 0.994515 | 1.531725 |
| 0.999141 | 1.531653 |
| 1.00379 | 1.531582 |
| 1.00846 | 1.531511 |
| 1.01315 | 1.531439 |
| 1.01786 | 1.531368 |
| 1.02259 | 1.531297 |
| 1.02735 | 1.531226 |
| 1.03213 | 1.531155 |
| 1.03693 | 1.531085 |
| 1.04175 | 1.531014 |
| 1.0466 | 1.530943 |
| 1.05147 | 1.530872 |
| 1.05636 | 1.530802 |
| 1.06127 | 1.530731 |
| 1.06621 | 1.53066 |
| 1.07117 | 1.53059 |
| 1.07615 | 1.530519 |
| 1.08115 | 1.530448 |
| 1.08618 | 1.530378 |
| 1.09124 | 1.530307 |
| 1.09631 | 1.530236 |
| 1.10141 | 1.530166 |
| 1.10653 | 1.530095 |
| 1.11168 | 1.530024 |
| 1.11685 | 1.529953 |
| 1.12205 | 1.529882 |
| 1.12727 | 1.529811 |
| 1.13251 | 1.52974 |
| 1.13778 | 1.529669 |
| 1.14307 | 1.529598 |
| 1.14839 | 1.529526 |
| 1.15373 | 1.529455 |
| 1.15909 | 1.529384 |
| 1.16448 | 1.529312 |
| 1.1699 | 1.52924 |
| 1.17534 | 1.529168 |
| 1.18081 | 1.529096 |
| 1.1863 | 1.529024 |
| 1.19182 | 1.528952 |
| 1.19736 | 1.528879 |
| 1.20293 | 1.528807 |
| 1.20853 | 1.528734 |
| 1.21415 | 1.528661 |
| 1.2198 | 1.528588 |
| 1.22547 | 1.528515 |
| 1.23117 | 1.528441 |
| 1.2369 | 1.528368 |
| 1.24265 | 1.528294 |
| 1.24843 | 1.52822 |
| 1.25424 | 1.528146 |
| 1.26007 | 1.528071 |
| 1.26593 | 1.527996 |
| 1.27182 | 1.527921 |
| 1.27774 | 1.527846 |
| 1.28368 | 1.527771 |
| 1.28965 | 1.527695 |
| 1.29565 | 1.527619 |
| 1.30167 | 1.527542 |
| 1.30773 | 1.527466 |
| 1.31381 | 1.527389 |
| 1.31992 | 1.527312 |
| 1.32606 | 1.527234 |
| 1.33223 | 1.527157 |
| 1.33843 | 1.527079 |
| 1.34465 | 1.527 |
| 1.35091 | 1.526921 |
| 1.35719 | 1.526842 |
| 1.3635 | 1.526763 |
| 1.36985 | 1.526683 |
| 1.37622 | 1.526603 |
| 1.38262 | 1.526522 |
| 1.38905 | 1.526441 |
| 1.39551 | 1.52636 |
| 1.402 | 1.526279 |
| 1.40852 | 1.526196 |
| 1.41507 | 1.526114 |
| 1.42166 | 1.526031 |
| 1.42827 | 1.525948 |
| 1.43491 | 1.525864 |
| 1.44159 | 1.52578 |
| 1.44829 | 1.525695 |
| 1.45503 | 1.52561 |
| 1.4618 | 1.525524 |
| 1.46859 | 1.525438 |
| 1.47543 | 1.525352 |
| 1.48229 | 1.525265 |
| 1.48918 | 1.525177 |
| 1.49611 | 1.525089 |
| 1.50307 | 1.525001 |
| 1.51006 | 1.524912 |
| 1.51708 | 1.524822 |
| 1.52414 | 1.524732 |
| 1.53123 | 1.524641 |
| 1.53835 | 1.52455 |
| 1.54551 | 1.524458 |
| 1.5527 | 1.524366 |
| 1.55992 | 1.524273 |
| 1.56717 | 1.524179 |
| 1.57446 | 1.524085 |
| 1.58179 | 1.52399 |
| 1.58914 | 1.523895 |
| 1.59654 | 1.523799 |
| 1.60396 | 1.523702 |
| 1.61142 | 1.523605 |
| 1.61892 | 1.523507 |
| 1.62645 | 1.523408 |
| 1.63401 | 1.523309 |
| 1.64161 | 1.523209 |
| 1.64925 | 1.523108 |
| 1.65692 | 1.523007 |
| 1.66463 | 1.522905 |
| 1.67237 | 1.522802 |
| 1.68015 | 1.522698 |
| 1.68796 | 1.522594 |
| 1.69581 | 1.522489 |
| 1.7037 | 1.522383 |
| 1.71163 | 1.522276 |
| 1.71959 | 1.522169 |
| 1.72759 | 1.52206 |
| 1.73562 | 1.521951 |
| 1.74369 | 1.521841 |
| 1.75181 | 1.521731 |
| 1.75995 | 1.521619 |
| 1.76814 | 1.521506 |
| 1.77636 | 1.521393 |
| 1.78463 | 1.521279 |
| 1.79293 | 1.521164 |
| 1.80127 | 1.521048 |
| 1.80964 | 1.520931 |
| 1.81806 | 1.520813 |
| 1.82652 | 1.520694 |
| 1.83501 | 1.520575 |
| 1.84355 | 1.520454 |
| 1.85212 | 1.520332 |
| 1.86074 | 1.520209 |
| 1.86939 | 1.520086 |
| 1.87809 | 1.519961 |
| 1.88682 | 1.519835 |
| 1.8956 | 1.519709 |
| 1.90442 | 1.519581 |
| 1.91328 | 1.519452 |
| 1.92218 | 1.519322 |
| 1.93112 | 1.519191 |
| 1.9401 | 1.519058 |
| 1.94912 | 1.518925 |
| 1.95819 | 1.518791 |
| 1.9673 | 1.518655 |
| 1.97645 | 1.518518 |
| 1.98564 | 1.51838 |
| 1.99488 | 1.518241 |
| 2.00416 | 1.518101 |
| 2.01348 | 1.517959 |
| 2.02284 | 1.517816 |
| 2.03225 | 1.517672 |
| 2.0417 | 1.517527 |
| 2.0512 | 1.51738 |
| 2.06074 | 1.517232 |
| 2.07033 | 1.517083 |
| 2.07996 | 1.516932 |
| 2.08963 | 1.51678 |
| 2.09935 | 1.516627 |
| 2.10912 | 1.516472 |
| 2.11893 | 1.516316 |
| 2.12878 | 1.516159 |
| 2.13868 | 1.516 |
| 2.14863 | 1.515839 |
| 2.15862 | 1.515677 |
| 2.16867 | 1.515514 |
| 2.17875 | 1.515349 |
| 2.18889 | 1.515182 |
| 2.19907 | 1.515014 |
| 2.2093 | 1.514845 |
| 2.21957 | 1.514674 |
| 2.2299 | 1.514501 |
| 2.24027 | 1.514326 |
| 2.25069 | 1.51415 |
| 2.26116 | 1.513973 |
| 2.27167 | 1.513793 |
| 2.28224 | 1.513612 |
| 2.29286 | 1.513429 |
| 2.30352 | 1.513245 |
| 2.31424 | 1.513058 |
| 2.325 | 1.51287 |
Optical transmission calculator
Free-standing sample in vacuum, normal incidence- Transmittance T
- —
- Reflectance R
- —
Fresnel reflection calculator
- Rp
- —
- Rs
- —
- R = (Rp+Rs)/2
- —
- Phase φp
- —
- Phase φs
- —
- Brewster angle θB
- —
- Critical angle θC
- —