Optical constants
Refractive index of PbMoO4 (Lead Molybdate)
Malitson 1978: n(o) 0.44–1.08 µm
- Data
- formula 1
- Range
- 0.44–1.08 µm
- Optical axis
- o
- Licence
- CC0-1.0
Uniaxial crystal, axes: oe
Plot
Click the plot to set the calculator wavelength.
At one wavelength
- Refractive index n
- 2.40986
- Extinction coefficient k
- 0
- Permittivity ε1
- 5.80741
- Permittivity ε2
- 0
- Absorption coefficient α
- 0 cm⁻¹
- Penetration depth δ = λ/(2πk)
- — nm
- Abbe number Vd
- 10.95
- Chromatic dispersion dn/dλ
- -0.609445 µm⁻¹
- Group index ng
- 2.76797
- Group velocity dispersion
- 1510.28 fs²/mm
- Dispersion parameter D
- -8239.35 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(o) 0.44–1.08 µm
pbmoo4 = ls.fetch_refractiveindex("main", "PbMoO4", "Malitson-o", 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_a2dca36176bb/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-o).
# ... 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_a2dca36176bb/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 | 3.54642 |
| C3 | 0.18518 |
| C4 | 0.5827 |
| C5 | 0.33764 |
Comments and conditions
Conditions
- direction
- o
- 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 | 2.593652 |
| 0.440991 | 2.591103 |
| 0.441985 | 2.588586 |
| 0.442981 | 2.5861 |
| 0.443979 | 2.583646 |
| 0.444979 | 2.581223 |
| 0.445982 | 2.57883 |
| 0.446986 | 2.576465 |
| 0.447993 | 2.57413 |
| 0.449003 | 2.571823 |
| 0.450014 | 2.569543 |
| 0.451028 | 2.56729 |
| 0.452044 | 2.565064 |
| 0.453063 | 2.562864 |
| 0.454084 | 2.560689 |
| 0.455107 | 2.558539 |
| 0.456132 | 2.556414 |
| 0.45716 | 2.554313 |
| 0.45819 | 2.552236 |
| 0.459222 | 2.550181 |
| 0.460257 | 2.54815 |
| 0.461294 | 2.546141 |
| 0.462333 | 2.544154 |
| 0.463375 | 2.542188 |
| 0.464419 | 2.540244 |
| 0.465465 | 2.53832 |
| 0.466514 | 2.536417 |
| 0.467565 | 2.534534 |
| 0.468618 | 2.532671 |
| 0.469674 | 2.530827 |
| 0.470732 | 2.529003 |
| 0.471793 | 2.527197 |
| 0.472856 | 2.52541 |
| 0.473921 | 2.52364 |
| 0.474989 | 2.521889 |
| 0.476059 | 2.520155 |
| 0.477131 | 2.518439 |
| 0.478206 | 2.516739 |
| 0.479284 | 2.515057 |
| 0.480364 | 2.513391 |
| 0.481446 | 2.511741 |
| 0.482531 | 2.510107 |
| 0.483618 | 2.508489 |
| 0.484707 | 2.506886 |
| 0.485799 | 2.505299 |
| 0.486894 | 2.503726 |
| 0.487991 | 2.502169 |
| 0.48909 | 2.500626 |
| 0.490192 | 2.499097 |
| 0.491297 | 2.497583 |
| 0.492404 | 2.496083 |
| 0.493513 | 2.494596 |
| 0.494625 | 2.493123 |
| 0.495739 | 2.491663 |
| 0.496856 | 2.490217 |
| 0.497976 | 2.488784 |
| 0.499098 | 2.487363 |
| 0.500222 | 2.485955 |
| 0.501349 | 2.484559 |
| 0.502479 | 2.483176 |
| 0.503611 | 2.481805 |
| 0.504745 | 2.480446 |
| 0.505883 | 2.479099 |
| 0.507022 | 2.477763 |
| 0.508165 | 2.476439 |
| 0.50931 | 2.475126 |
| 0.510457 | 2.473824 |
| 0.511607 | 2.472534 |
| 0.51276 | 2.471254 |
| 0.513915 | 2.469985 |
| 0.515073 | 2.468727 |
| 0.516233 | 2.467479 |
| 0.517396 | 2.466242 |
| 0.518562 | 2.465015 |
| 0.51973 | 2.463798 |
| 0.520901 | 2.462591 |
| 0.522075 | 2.461394 |
| 0.523251 | 2.460206 |
| 0.52443 | 2.459029 |
| 0.525612 | 2.45786 |
| 0.526796 | 2.456701 |
| 0.527983 | 2.455552 |
| 0.529172 | 2.454411 |
| 0.530365 | 2.45328 |
| 0.531559 | 2.452158 |
| 0.532757 | 2.451044 |
| 0.533957 | 2.449939 |
| 0.53516 | 2.448843 |
| 0.536366 | 2.447755 |
| 0.537575 | 2.446676 |
| 0.538786 | 2.445605 |
| 0.54 | 2.444543 |
| 0.541216 | 2.443488 |
| 0.542436 | 2.442442 |
| 0.543658 | 2.441404 |
| 0.544883 | 2.440373 |
| 0.54611 | 2.439351 |
| 0.547341 | 2.438336 |
| 0.548574 | 2.437328 |
| 0.54981 | 2.436329 |
| 0.551048 | 2.435336 |
| 0.55229 | 2.434351 |
| 0.553534 | 2.433374 |
| 0.554781 | 2.432404 |
| 0.556031 | 2.43144 |
| 0.557284 | 2.430484 |
| 0.55854 | 2.429535 |
| 0.559798 | 2.428593 |
| 0.561059 | 2.427658 |
| 0.562323 | 2.426729 |
| 0.56359 | 2.425808 |
| 0.56486 | 2.424892 |
| 0.566133 | 2.423984 |
| 0.567408 | 2.423082 |
| 0.568687 | 2.422186 |
| 0.569968 | 2.421297 |
| 0.571252 | 2.420414 |
| 0.572539 | 2.419538 |
| 0.573829 | 2.418667 |
| 0.575122 | 2.417803 |
| 0.576418 | 2.416945 |
| 0.577716 | 2.416092 |
| 0.579018 | 2.415246 |
| 0.580322 | 2.414406 |
| 0.58163 | 2.413571 |
| 0.58294 | 2.412743 |
| 0.584254 | 2.41192 |
| 0.58557 | 2.411102 |
| 0.586889 | 2.410291 |
| 0.588212 | 2.409485 |
| 0.589537 | 2.408684 |
| 0.590865 | 2.407889 |
| 0.592196 | 2.407099 |
| 0.59353 | 2.406315 |
| 0.594868 | 2.405536 |
| 0.596208 | 2.404762 |
| 0.597551 | 2.403993 |
| 0.598898 | 2.40323 |
| 0.600247 | 2.402471 |
| 0.601599 | 2.401718 |
| 0.602955 | 2.40097 |
| 0.604313 | 2.400227 |
| 0.605675 | 2.399488 |
| 0.607039 | 2.398755 |
| 0.608407 | 2.398026 |
| 0.609778 | 2.397303 |
| 0.611151 | 2.396583 |
| 0.612528 | 2.395869 |
| 0.613908 | 2.39516 |
| 0.615292 | 2.394455 |
| 0.616678 | 2.393754 |
| 0.618067 | 2.393058 |
| 0.61946 | 2.392367 |
| 0.620855 | 2.39168 |
| 0.622254 | 2.390998 |
| 0.623656 | 2.39032 |
| 0.625061 | 2.389646 |
| 0.62647 | 2.388977 |
| 0.627881 | 2.388312 |
| 0.629296 | 2.387651 |
| 0.630713 | 2.386994 |
| 0.632134 | 2.386342 |
| 0.633559 | 2.385693 |
| 0.634986 | 2.385049 |
| 0.636417 | 2.384409 |
| 0.637851 | 2.383773 |
| 0.639288 | 2.383141 |
| 0.640728 | 2.382513 |
| 0.642171 | 2.381889 |
| 0.643618 | 2.381269 |
| 0.645068 | 2.380652 |
| 0.646522 | 2.38004 |
| 0.647978 | 2.379431 |
| 0.649438 | 2.378826 |
| 0.650901 | 2.378225 |
| 0.652368 | 2.377628 |
| 0.653838 | 2.377034 |
| 0.655311 | 2.376444 |
| 0.656787 | 2.375857 |
| 0.658267 | 2.375274 |
| 0.65975 | 2.374695 |
| 0.661237 | 2.374119 |
| 0.662726 | 2.373547 |
| 0.664219 | 2.372979 |
| 0.665716 | 2.372413 |
| 0.667216 | 2.371852 |
| 0.668719 | 2.371293 |
| 0.670226 | 2.370738 |
| 0.671736 | 2.370186 |
| 0.673249 | 2.369638 |
| 0.674766 | 2.369093 |
| 0.676286 | 2.368551 |
| 0.67781 | 2.368013 |
| 0.679337 | 2.367478 |
| 0.680868 | 2.366946 |
| 0.682402 | 2.366417 |
| 0.683939 | 2.365891 |
| 0.68548 | 2.365368 |
| 0.687024 | 2.364849 |
| 0.688572 | 2.364333 |
| 0.690124 | 2.363819 |
| 0.691678 | 2.363309 |
| 0.693237 | 2.362802 |
| 0.694799 | 2.362297 |
| 0.696364 | 2.361796 |
| 0.697933 | 2.361298 |
| 0.699505 | 2.360802 |
| 0.701081 | 2.36031 |
| 0.702661 | 2.35982 |
| 0.704244 | 2.359333 |
| 0.705831 | 2.35885 |
| 0.707421 | 2.358368 |
| 0.709015 | 2.35789 |
| 0.710612 | 2.357415 |
| 0.712213 | 2.356942 |
| 0.713818 | 2.356472 |
| 0.715426 | 2.356005 |
| 0.717038 | 2.35554 |
| 0.718654 | 2.355078 |
| 0.720273 | 2.354619 |
| 0.721895 | 2.354162 |
| 0.723522 | 2.353708 |
| 0.725152 | 2.353257 |
| 0.726786 | 2.352808 |
| 0.728423 | 2.352362 |
| 0.730064 | 2.351918 |
| 0.731709 | 2.351477 |
| 0.733358 | 2.351039 |
| 0.73501 | 2.350603 |
| 0.736666 | 2.350169 |
| 0.738326 | 2.349738 |
| 0.739989 | 2.349309 |
| 0.741656 | 2.348883 |
| 0.743327 | 2.348459 |
| 0.745002 | 2.348038 |
| 0.746681 | 2.347619 |
| 0.748363 | 2.347202 |
| 0.750049 | 2.346788 |
| 0.751739 | 2.346376 |
| 0.753433 | 2.345966 |
| 0.75513 | 2.345558 |
| 0.756831 | 2.345153 |
| 0.758537 | 2.34475 |
| 0.760246 | 2.34435 |
| 0.761958 | 2.343951 |
| 0.763675 | 2.343555 |
| 0.765396 | 2.343161 |
| 0.76712 | 2.34277 |
| 0.768848 | 2.34238 |
| 0.770581 | 2.341993 |
| 0.772317 | 2.341607 |
| 0.774057 | 2.341224 |
| 0.775801 | 2.340843 |
| 0.777549 | 2.340464 |
| 0.7793 | 2.340088 |
| 0.781056 | 2.339713 |
| 0.782816 | 2.33934 |
| 0.78458 | 2.33897 |
| 0.786347 | 2.338601 |
| 0.788119 | 2.338235 |
| 0.789895 | 2.33787 |
| 0.791674 | 2.337508 |
| 0.793458 | 2.337147 |
| 0.795246 | 2.336789 |
| 0.797037 | 2.336432 |
| 0.798833 | 2.336077 |
| 0.800633 | 2.335725 |
| 0.802437 | 2.335374 |
| 0.804245 | 2.335025 |
| 0.806057 | 2.334678 |
| 0.807873 | 2.334333 |
| 0.809693 | 2.333989 |
| 0.811517 | 2.333648 |
| 0.813345 | 2.333309 |
| 0.815178 | 2.332971 |
| 0.817014 | 2.332635 |
| 0.818855 | 2.332301 |
| 0.8207 | 2.331969 |
| 0.822549 | 2.331638 |
| 0.824402 | 2.33131 |
| 0.82626 | 2.330983 |
| 0.828121 | 2.330658 |
| 0.829987 | 2.330334 |
| 0.831857 | 2.330012 |
| 0.833731 | 2.329692 |
| 0.83561 | 2.329374 |
| 0.837492 | 2.329058 |
| 0.839379 | 2.328743 |
| 0.84127 | 2.32843 |
| 0.843166 | 2.328118 |
| 0.845065 | 2.327808 |
| 0.846969 | 2.3275 |
| 0.848878 | 2.327194 |
| 0.85079 | 2.326889 |
| 0.852707 | 2.326585 |
| 0.854628 | 2.326284 |
| 0.856554 | 2.325984 |
| 0.858483 | 2.325685 |
| 0.860418 | 2.325388 |
| 0.862356 | 2.325093 |
| 0.864299 | 2.324799 |
| 0.866246 | 2.324507 |
| 0.868198 | 2.324216 |
| 0.870154 | 2.323927 |
| 0.872114 | 2.323639 |
| 0.874079 | 2.323353 |
| 0.876049 | 2.323069 |
| 0.878022 | 2.322786 |
| 0.880001 | 2.322504 |
| 0.881983 | 2.322224 |
| 0.88397 | 2.321945 |
| 0.885962 | 2.321668 |
| 0.887958 | 2.321392 |
| 0.889959 | 2.321118 |
| 0.891964 | 2.320845 |
| 0.893973 | 2.320573 |
| 0.895988 | 2.320303 |
| 0.898006 | 2.320035 |
| 0.900029 | 2.319767 |
| 0.902057 | 2.319502 |
| 0.90409 | 2.319237 |
| 0.906126 | 2.318974 |
| 0.908168 | 2.318712 |
| 0.910214 | 2.318452 |
| 0.912265 | 2.318193 |
| 0.91432 | 2.317935 |
| 0.91638 | 2.317679 |
| 0.918445 | 2.317424 |
| 0.920514 | 2.31717 |
| 0.922588 | 2.316918 |
| 0.924667 | 2.316667 |
| 0.92675 | 2.316417 |
| 0.928838 | 2.316168 |
| 0.930931 | 2.315921 |
| 0.933028 | 2.315675 |
| 0.93513 | 2.31543 |
| 0.937237 | 2.315187 |
| 0.939348 | 2.314945 |
| 0.941465 | 2.314704 |
| 0.943586 | 2.314464 |
| 0.945712 | 2.314226 |
| 0.947843 | 2.313989 |
| 0.949978 | 2.313752 |
| 0.952118 | 2.313518 |
| 0.954264 | 2.313284 |
| 0.956414 | 2.313052 |
| 0.958568 | 2.31282 |
| 0.960728 | 2.31259 |
| 0.962893 | 2.312361 |
| 0.965062 | 2.312134 |
| 0.967236 | 2.311907 |
| 0.969415 | 2.311682 |
| 0.9716 | 2.311457 |
| 0.973789 | 2.311234 |
| 0.975983 | 2.311012 |
| 0.978181 | 2.310792 |
| 0.980385 | 2.310572 |
| 0.982594 | 2.310353 |
| 0.984808 | 2.310136 |
| 0.987027 | 2.309919 |
| 0.989251 | 2.309704 |
| 0.991479 | 2.30949 |
| 0.993713 | 2.309277 |
| 0.995952 | 2.309065 |
| 0.998196 | 2.308854 |
| 1.00044 | 2.308644 |
| 1.0027 | 2.308435 |
| 1.00496 | 2.308227 |
| 1.00722 | 2.30802 |
| 1.00949 | 2.307814 |
| 1.01177 | 2.30761 |
| 1.01405 | 2.307406 |
| 1.01633 | 2.307203 |
| 1.01862 | 2.307002 |
| 1.02091 | 2.306801 |
| 1.02321 | 2.306602 |
| 1.02552 | 2.306403 |
| 1.02783 | 2.306205 |
| 1.03015 | 2.306009 |
| 1.03247 | 2.305813 |
| 1.03479 | 2.305619 |
| 1.03712 | 2.305425 |
| 1.03946 | 2.305232 |
| 1.0418 | 2.30504 |
| 1.04415 | 2.30485 |
| 1.0465 | 2.30466 |
| 1.04886 | 2.304471 |
| 1.05122 | 2.304283 |
| 1.05359 | 2.304096 |
| 1.05597 | 2.30391 |
| 1.05835 | 2.303725 |
| 1.06073 | 2.303541 |
| 1.06312 | 2.303357 |
| 1.06551 | 2.303175 |
| 1.06792 | 2.302993 |
| 1.07032 | 2.302813 |
| 1.07273 | 2.302633 |
| 1.07515 | 2.302454 |
| 1.07757 | 2.302277 |
| 1.08 | 2.302099 |
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
- —
Ordinary ray (o)