Optical constants
Refractive index of PbMoO4 (Lead Molybdate)
Malitson 1978: n(e) 0.44–1.08 µm
- Data
- formula 1
- Range
- 0.44–1.08 µm
- Optical axis
- e
- Licence
- CC0-1.0
Uniaxial crystal, axes: oe
Plot
Click the plot to set the calculator wavelength.
At one wavelength
- Refractive index n
- 2.27736
- Extinction coefficient k
- 0
- Permittivity ε1
- 5.18637
- Permittivity ε2
- 0
- Absorption coefficient α
- 0 cm⁻¹
- Penetration depth δ = λ/(2πk)
- — nm
- Abbe number Vd
- 15.773
- Chromatic dispersion dn/dλ
- -0.397527 µm⁻¹
- Group index ng
- 2.51095
- Group velocity dispersion
- 886.004 fs²/mm
- Dispersion parameter D
- -4833.62 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
# PbMoO4 (Lead Molybdate): Malitson 1978: n(e) 0.44–1.08 µm
pbmoo4 = ls.fetch_refractiveindex("main", "PbMoO4", "Malitson-e", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(pbmoo4.range_nm) # (440, 1080) nm
eps = pbmoo4.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_e9b31d6c6a67/lightsmith"
pbmoo4 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(pbmoo4.source) # citation and provenance travel with the data
Any dataset here, as the library's Tabulated material (pbmoo4/malitson-1978-e).
# ... load pbmoo4 as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=pbmoo4)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=440, 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_e9b31d6c6a67/lightsmith?model=drude_lorentz"
pbmoo4_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 (formula 1), λ in µmValid from 0.44 to 1.08 µm.
Coefficients as stored
| Ci | Value |
|---|---|
| C1 | 0.0 |
| C2 | 3.52555 |
| C3 | 0.1795 |
| C4 | 0.2066 |
| C5 | 0.32537 |
Comments and conditions
Conditions
- direction
- e
- no primary reference in the source file
References
Cite
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 |
|---|---|
| 0.44 | 2.384395 |
| 0.440991 | 2.383085 |
| 0.441985 | 2.381787 |
| 0.442981 | 2.380501 |
| 0.443979 | 2.379226 |
| 0.444979 | 2.377963 |
| 0.445982 | 2.376712 |
| 0.446986 | 2.375471 |
| 0.447993 | 2.374242 |
| 0.449003 | 2.373023 |
| 0.450014 | 2.371815 |
| 0.451028 | 2.370618 |
| 0.452044 | 2.369431 |
| 0.453063 | 2.368254 |
| 0.454084 | 2.367087 |
| 0.455107 | 2.365931 |
| 0.456132 | 2.364784 |
| 0.45716 | 2.363646 |
| 0.45819 | 2.362518 |
| 0.459222 | 2.3614 |
| 0.460257 | 2.360291 |
| 0.461294 | 2.359191 |
| 0.462333 | 2.3581 |
| 0.463375 | 2.357018 |
| 0.464419 | 2.355944 |
| 0.465465 | 2.35488 |
| 0.466514 | 2.353824 |
| 0.467565 | 2.352776 |
| 0.468618 | 2.351737 |
| 0.469674 | 2.350706 |
| 0.470732 | 2.349683 |
| 0.471793 | 2.348668 |
| 0.472856 | 2.347661 |
| 0.473921 | 2.346662 |
| 0.474989 | 2.34567 |
| 0.476059 | 2.344687 |
| 0.477131 | 2.34371 |
| 0.478206 | 2.342742 |
| 0.479284 | 2.34178 |
| 0.480364 | 2.340826 |
| 0.481446 | 2.339879 |
| 0.482531 | 2.338939 |
| 0.483618 | 2.338007 |
| 0.484707 | 2.337081 |
| 0.485799 | 2.336162 |
| 0.486894 | 2.33525 |
| 0.487991 | 2.334344 |
| 0.48909 | 2.333446 |
| 0.490192 | 2.332553 |
| 0.491297 | 2.331668 |
| 0.492404 | 2.330789 |
| 0.493513 | 2.329916 |
| 0.494625 | 2.329049 |
| 0.495739 | 2.328189 |
| 0.496856 | 2.327334 |
| 0.497976 | 2.326486 |
| 0.499098 | 2.325644 |
| 0.500222 | 2.324808 |
| 0.501349 | 2.323978 |
| 0.502479 | 2.323153 |
| 0.503611 | 2.322335 |
| 0.504745 | 2.321522 |
| 0.505883 | 2.320715 |
| 0.507022 | 2.319913 |
| 0.508165 | 2.319117 |
| 0.50931 | 2.318326 |
| 0.510457 | 2.317541 |
| 0.511607 | 2.316761 |
| 0.51276 | 2.315987 |
| 0.513915 | 2.315218 |
| 0.515073 | 2.314454 |
| 0.516233 | 2.313695 |
| 0.517396 | 2.312941 |
| 0.518562 | 2.312193 |
| 0.51973 | 2.311449 |
| 0.520901 | 2.31071 |
| 0.522075 | 2.309977 |
| 0.523251 | 2.309248 |
| 0.52443 | 2.308524 |
| 0.525612 | 2.307805 |
| 0.526796 | 2.307091 |
| 0.527983 | 2.306381 |
| 0.529172 | 2.305676 |
| 0.530365 | 2.304975 |
| 0.531559 | 2.30428 |
| 0.532757 | 2.303588 |
| 0.533957 | 2.302902 |
| 0.53516 | 2.302219 |
| 0.536366 | 2.301541 |
| 0.537575 | 2.300868 |
| 0.538786 | 2.300199 |
| 0.54 | 2.299534 |
| 0.541216 | 2.298873 |
| 0.542436 | 2.298217 |
| 0.543658 | 2.297564 |
| 0.544883 | 2.296916 |
| 0.54611 | 2.296272 |
| 0.547341 | 2.295632 |
| 0.548574 | 2.294996 |
| 0.54981 | 2.294365 |
| 0.551048 | 2.293737 |
| 0.55229 | 2.293113 |
| 0.553534 | 2.292493 |
| 0.554781 | 2.291876 |
| 0.556031 | 2.291264 |
| 0.557284 | 2.290656 |
| 0.55854 | 2.290051 |
| 0.559798 | 2.28945 |
| 0.561059 | 2.288853 |
| 0.562323 | 2.288259 |
| 0.56359 | 2.287669 |
| 0.56486 | 2.287083 |
| 0.566133 | 2.2865 |
| 0.567408 | 2.285921 |
| 0.568687 | 2.285345 |
| 0.569968 | 2.284773 |
| 0.571252 | 2.284205 |
| 0.572539 | 2.283639 |
| 0.573829 | 2.283078 |
| 0.575122 | 2.282519 |
| 0.576418 | 2.281964 |
| 0.577716 | 2.281413 |
| 0.579018 | 2.280864 |
| 0.580322 | 2.280319 |
| 0.58163 | 2.279778 |
| 0.58294 | 2.279239 |
| 0.584254 | 2.278704 |
| 0.58557 | 2.278172 |
| 0.586889 | 2.277643 |
| 0.588212 | 2.277117 |
| 0.589537 | 2.276594 |
| 0.590865 | 2.276075 |
| 0.592196 | 2.275558 |
| 0.59353 | 2.275045 |
| 0.594868 | 2.274534 |
| 0.596208 | 2.274027 |
| 0.597551 | 2.273522 |
| 0.598898 | 2.273021 |
| 0.600247 | 2.272522 |
| 0.601599 | 2.272027 |
| 0.602955 | 2.271534 |
| 0.604313 | 2.271044 |
| 0.605675 | 2.270557 |
| 0.607039 | 2.270073 |
| 0.608407 | 2.269591 |
| 0.609778 | 2.269113 |
| 0.611151 | 2.268637 |
| 0.612528 | 2.268164 |
| 0.613908 | 2.267693 |
| 0.615292 | 2.267226 |
| 0.616678 | 2.266761 |
| 0.618067 | 2.266298 |
| 0.61946 | 2.265839 |
| 0.620855 | 2.265381 |
| 0.622254 | 2.264927 |
| 0.623656 | 2.264475 |
| 0.625061 | 2.264026 |
| 0.62647 | 2.263579 |
| 0.627881 | 2.263135 |
| 0.629296 | 2.262693 |
| 0.630713 | 2.262254 |
| 0.632134 | 2.261818 |
| 0.633559 | 2.261383 |
| 0.634986 | 2.260952 |
| 0.636417 | 2.260522 |
| 0.637851 | 2.260095 |
| 0.639288 | 2.259671 |
| 0.640728 | 2.259249 |
| 0.642171 | 2.258829 |
| 0.643618 | 2.258412 |
| 0.645068 | 2.257997 |
| 0.646522 | 2.257584 |
| 0.647978 | 2.257173 |
| 0.649438 | 2.256765 |
| 0.650901 | 2.256359 |
| 0.652368 | 2.255956 |
| 0.653838 | 2.255554 |
| 0.655311 | 2.255155 |
| 0.656787 | 2.254758 |
| 0.658267 | 2.254363 |
| 0.65975 | 2.253971 |
| 0.661237 | 2.25358 |
| 0.662726 | 2.253192 |
| 0.664219 | 2.252806 |
| 0.665716 | 2.252422 |
| 0.667216 | 2.25204 |
| 0.668719 | 2.25166 |
| 0.670226 | 2.251283 |
| 0.671736 | 2.250907 |
| 0.673249 | 2.250533 |
| 0.674766 | 2.250162 |
| 0.676286 | 2.249792 |
| 0.67781 | 2.249425 |
| 0.679337 | 2.249059 |
| 0.680868 | 2.248696 |
| 0.682402 | 2.248334 |
| 0.683939 | 2.247975 |
| 0.68548 | 2.247617 |
| 0.687024 | 2.247261 |
| 0.688572 | 2.246907 |
| 0.690124 | 2.246556 |
| 0.691678 | 2.246206 |
| 0.693237 | 2.245858 |
| 0.694799 | 2.245511 |
| 0.696364 | 2.245167 |
| 0.697933 | 2.244825 |
| 0.699505 | 2.244484 |
| 0.701081 | 2.244145 |
| 0.702661 | 2.243808 |
| 0.704244 | 2.243473 |
| 0.705831 | 2.243139 |
| 0.707421 | 2.242808 |
| 0.709015 | 2.242478 |
| 0.710612 | 2.24215 |
| 0.712213 | 2.241824 |
| 0.713818 | 2.241499 |
| 0.715426 | 2.241176 |
| 0.717038 | 2.240855 |
| 0.718654 | 2.240535 |
| 0.720273 | 2.240218 |
| 0.721895 | 2.239902 |
| 0.723522 | 2.239587 |
| 0.725152 | 2.239275 |
| 0.726786 | 2.238963 |
| 0.728423 | 2.238654 |
| 0.730064 | 2.238346 |
| 0.731709 | 2.23804 |
| 0.733358 | 2.237735 |
| 0.73501 | 2.237433 |
| 0.736666 | 2.237131 |
| 0.738326 | 2.236831 |
| 0.739989 | 2.236533 |
| 0.741656 | 2.236237 |
| 0.743327 | 2.235941 |
| 0.745002 | 2.235648 |
| 0.746681 | 2.235356 |
| 0.748363 | 2.235065 |
| 0.750049 | 2.234776 |
| 0.751739 | 2.234489 |
| 0.753433 | 2.234203 |
| 0.75513 | 2.233919 |
| 0.756831 | 2.233636 |
| 0.758537 | 2.233354 |
| 0.760246 | 2.233074 |
| 0.761958 | 2.232796 |
| 0.763675 | 2.232518 |
| 0.765396 | 2.232243 |
| 0.76712 | 2.231968 |
| 0.768848 | 2.231696 |
| 0.770581 | 2.231424 |
| 0.772317 | 2.231154 |
| 0.774057 | 2.230886 |
| 0.775801 | 2.230618 |
| 0.777549 | 2.230352 |
| 0.7793 | 2.230088 |
| 0.781056 | 2.229825 |
| 0.782816 | 2.229563 |
| 0.78458 | 2.229303 |
| 0.786347 | 2.229044 |
| 0.788119 | 2.228786 |
| 0.789895 | 2.228529 |
| 0.791674 | 2.228274 |
| 0.793458 | 2.22802 |
| 0.795246 | 2.227768 |
| 0.797037 | 2.227517 |
| 0.798833 | 2.227267 |
| 0.800633 | 2.227018 |
| 0.802437 | 2.226771 |
| 0.804245 | 2.226525 |
| 0.806057 | 2.22628 |
| 0.807873 | 2.226036 |
| 0.809693 | 2.225794 |
| 0.811517 | 2.225553 |
| 0.813345 | 2.225313 |
| 0.815178 | 2.225074 |
| 0.817014 | 2.224837 |
| 0.818855 | 2.2246 |
| 0.8207 | 2.224365 |
| 0.822549 | 2.224132 |
| 0.824402 | 2.223899 |
| 0.82626 | 2.223667 |
| 0.828121 | 2.223437 |
| 0.829987 | 2.223208 |
| 0.831857 | 2.22298 |
| 0.833731 | 2.222753 |
| 0.83561 | 2.222527 |
| 0.837492 | 2.222303 |
| 0.839379 | 2.222079 |
| 0.84127 | 2.221857 |
| 0.843166 | 2.221636 |
| 0.845065 | 2.221416 |
| 0.846969 | 2.221197 |
| 0.848878 | 2.220979 |
| 0.85079 | 2.220762 |
| 0.852707 | 2.220547 |
| 0.854628 | 2.220332 |
| 0.856554 | 2.220119 |
| 0.858483 | 2.219906 |
| 0.860418 | 2.219695 |
| 0.862356 | 2.219484 |
| 0.864299 | 2.219275 |
| 0.866246 | 2.219067 |
| 0.868198 | 2.21886 |
| 0.870154 | 2.218654 |
| 0.872114 | 2.218449 |
| 0.874079 | 2.218245 |
| 0.876049 | 2.218042 |
| 0.878022 | 2.21784 |
| 0.880001 | 2.217639 |
| 0.881983 | 2.217438 |
| 0.88397 | 2.217239 |
| 0.885962 | 2.217041 |
| 0.887958 | 2.216844 |
| 0.889959 | 2.216648 |
| 0.891964 | 2.216453 |
| 0.893973 | 2.216259 |
| 0.895988 | 2.216066 |
| 0.898006 | 2.215874 |
| 0.900029 | 2.215683 |
| 0.902057 | 2.215492 |
| 0.90409 | 2.215303 |
| 0.906126 | 2.215114 |
| 0.908168 | 2.214927 |
| 0.910214 | 2.21474 |
| 0.912265 | 2.214555 |
| 0.91432 | 2.21437 |
| 0.91638 | 2.214186 |
| 0.918445 | 2.214003 |
| 0.920514 | 2.213821 |
| 0.922588 | 2.21364 |
| 0.924667 | 2.21346 |
| 0.92675 | 2.213281 |
| 0.928838 | 2.213102 |
| 0.930931 | 2.212925 |
| 0.933028 | 2.212748 |
| 0.93513 | 2.212572 |
| 0.937237 | 2.212398 |
| 0.939348 | 2.212223 |
| 0.941465 | 2.21205 |
| 0.943586 | 2.211878 |
| 0.945712 | 2.211706 |
| 0.947843 | 2.211536 |
| 0.949978 | 2.211366 |
| 0.952118 | 2.211197 |
| 0.954264 | 2.211029 |
| 0.956414 | 2.210861 |
| 0.958568 | 2.210695 |
| 0.960728 | 2.210529 |
| 0.962893 | 2.210364 |
| 0.965062 | 2.2102 |
| 0.967236 | 2.210037 |
| 0.969415 | 2.209874 |
| 0.9716 | 2.209713 |
| 0.973789 | 2.209552 |
| 0.975983 | 2.209392 |
| 0.978181 | 2.209232 |
| 0.980385 | 2.209074 |
| 0.982594 | 2.208916 |
| 0.984808 | 2.208759 |
| 0.987027 | 2.208603 |
| 0.989251 | 2.208447 |
| 0.991479 | 2.208292 |
| 0.993713 | 2.208138 |
| 0.995952 | 2.207985 |
| 0.998196 | 2.207833 |
| 1.00044 | 2.207681 |
| 1.0027 | 2.20753 |
| 1.00496 | 2.20738 |
| 1.00722 | 2.20723 |
| 1.00949 | 2.207081 |
| 1.01177 | 2.206933 |
| 1.01405 | 2.206786 |
| 1.01633 | 2.206639 |
| 1.01862 | 2.206493 |
| 1.02091 | 2.206348 |
| 1.02321 | 2.206203 |
| 1.02552 | 2.20606 |
| 1.02783 | 2.205916 |
| 1.03015 | 2.205774 |
| 1.03247 | 2.205632 |
| 1.03479 | 2.205491 |
| 1.03712 | 2.205351 |
| 1.03946 | 2.205211 |
| 1.0418 | 2.205072 |
| 1.04415 | 2.204934 |
| 1.0465 | 2.204796 |
| 1.04886 | 2.204659 |
| 1.05122 | 2.204523 |
| 1.05359 | 2.204387 |
| 1.05597 | 2.204252 |
| 1.05835 | 2.204117 |
| 1.06073 | 2.203984 |
| 1.06312 | 2.20385 |
| 1.06551 | 2.203718 |
| 1.06792 | 2.203586 |
| 1.07032 | 2.203455 |
| 1.07273 | 2.203324 |
| 1.07515 | 2.203194 |
| 1.07757 | 2.203065 |
| 1.08 | 2.202936 |
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
- —
Extraordinary ray (e)