Optical constants

Refractive index of J-LASF05 (HIKARI)

J-LASF05: n,k 0.365–2.058 µm

Data
formula 3 + tabulated k
Range
0.365–2.058 µm
Temperature
296 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.365–2.058 µm
Refractive index n
1.83481
Extinction coefficient k
2.23480e-08
Permittivity ε1
3.36651
Permittivity ε2
8.20086e-08
Absorption coefficient α
0.00477933 cm⁻¹
Penetration depth δ = λ/(2πk)
4.18468e+09 nm
Abbe number Vd
42.733
Chromatic dispersion dn/dλ
-0.0998792 µm⁻¹
Group index ng
1.8935
Group velocity dispersion
186.67 fs²/mm
Dispersion parameter D
-1018.38 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

# J-LASF05 (HIKARI): J-LASF05
hikari_j_lasf05 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASF05", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lasf05.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_lasf05.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

Polynomial (formula 3), λ in µm
n2=3.27458352−0.013275214⁢λ2.0−0.000135438033⁢λ4.0+0.0311933067⁢λ−2.0+0.000711503841⁢λ−4.0+3.51334559×10-6⁢λ−6.0+1.88560229×10-6⁢λ−8.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C13.27458352
C2-0.013275214
C32.0
C4-0.000135438033
C54.0
C60.0311933067
C7-2.0
C80.000711503841
C9-4.0
C103.51334559e-06
C11-6.0
C121.88560229e-06
C13-8.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 3.0543e-06 1.1001e-08 -2.1068e-12 6.9279e-07 6.3486e-10 0.22476
nd
1.834810
Vd
42.733437
density
value: 4790
thermal expansion
value: 5.5e-06, temperature range: 243 343
dPgF
-0.0079
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 3.23e-06 K⁻¹ at 633 nm, dn/dT = 2.18e-06 K⁻¹ at 1310 nm, dn/dT = 2.09e-06 K⁻¹ at 1550 nm

References

Cite

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com); See also HIKARI glass data sheets; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

Computed on 421 wavelengths, the same grid as the API and the library
J-LASF05 (HIKARI), J-LASF05: n and k versus wavelength
λ (µm)nk
0.3650151.8853346.477357e-07
0.3666011.8845466.049912e-07
0.3681931.8837695.620611e-07
0.3697931.8830015.189445e-07
0.371.8829025.133600e-07
0.3713991.8822414.861073e-07
0.3730131.8814914.546839e-07
0.3746331.880754.231239e-07
0.3762611.8800183.914268e-07
0.3778951.8792943.595921e-07
0.3795371.8785793.276190e-07
0.381.878383.186000e-07
0.3811861.8778733.071329e-07
0.3828421.8771742.911182e-07
0.3845051.8764842.750338e-07
0.3861751.8758012.588796e-07
0.3878531.8751272.426551e-07
0.3895381.874462.263603e-07
0.391.8742792.218900e-07
0.391231.8738012.138568e-07
0.392931.873152.027567e-07
0.3946371.8725051.916085e-07
0.3963511.8718691.804118e-07
0.3980731.8712391.691664e-07
0.3998021.8706171.578722e-07
0.41.8705461.565800e-07
0.4015391.8700011.521000e-07
0.4032831.8693921.470220e-07
0.4050351.8687911.419220e-07
0.4067951.8681961.367998e-07
0.4085621.8676071.316553e-07
0.4103371.8670251.264885e-07
0.412121.8664491.212993e-07
0.413911.865881.160875e-07
0.4157081.8653171.108531e-07
0.4175141.864761.055959e-07
0.4193281.8642091.003159e-07
0.421.8640079.835900e-08
0.4211491.8636659.697706e-08
0.4229791.8631269.477736e-08
0.4248171.8625929.256811e-08
0.4266621.8620659.034927e-08
0.4285161.8615438.812078e-08
0.4303771.8610278.588261e-08
0.4322471.8605168.363472e-08
0.4341251.8600118.137707e-08
0.436011.8595117.910960e-08
0.4379051.8590177.683229e-08
0.4398071.8585277.454508e-08
0.441.8584787.431300e-08
0.4417181.8580437.236327e-08
0.4436371.8575647.018501e-08
0.4455641.857096.799728e-08
0.4474991.856626.580004e-08
0.4494431.8561566.359326e-08
0.4513961.8556966.137690e-08
0.4533571.8552425.915090e-08
0.4553261.8547925.691524e-08
0.4573041.8543465.466986e-08
0.4592911.8539055.241473e-08
0.461.8537495.161000e-08
0.4612861.8534695.100799e-08
0.463291.8530375.007015e-08
0.4653031.8526094.912823e-08
0.4673241.8521864.818222e-08
0.4693541.8517674.723210e-08
0.4713931.8513534.627786e-08
0.4734411.8509424.531947e-08
0.4754981.8505364.435691e-08
0.4775641.8501334.339018e-08
0.4796381.8497354.241924e-08
0.481.8496664.225000e-08
0.4817221.8493414.136393e-08
0.4838151.848954.028712e-08
0.4859171.8485643.920564e-08
0.4880271.8481813.811946e-08
0.4901481.8478023.702856e-08
0.4922771.8474273.593292e-08
0.4944151.8470553.483252e-08
0.4965631.8466883.372734e-08
0.4987211.8463233.261736e-08
0.51.846113.195900e-08
0.5008871.8459633.170322e-08
0.5030631.8456053.107580e-08
0.5052481.8452523.044566e-08
0.5074431.8449012.981277e-08
0.5096481.8445542.917714e-08
0.5118621.8442112.853875e-08
0.5140861.8438712.789758e-08
0.5163191.8435342.725363e-08
0.5185621.84322.660688e-08
0.5208151.8428692.595732e-08
0.5230771.8425422.530494e-08
0.5253491.8422172.464973e-08
0.5276321.8418962.399166e-08
0.5299241.8415782.333074e-08
0.5322261.8412632.266695e-08
0.5345381.840952.200028e-08
0.536861.8406412.133071e-08
0.5391931.8403342.065823e-08
0.5415351.8400311.998282e-08
0.5438871.839731.930449e-08
0.546251.8394321.862321e-08
0.5486231.8391371.793896e-08
0.551.8389671.754200e-08
0.5510071.8388441.767067e-08
0.55341.8385551.797663e-08
0.5558041.8382671.828392e-08
0.5582191.8379831.859255e-08
0.5606441.8377011.890252e-08
0.563081.8374221.921383e-08
0.5655261.8371451.952650e-08
0.5679821.8368711.984052e-08
0.570451.8365992.015591e-08
0.5729281.836332.047267e-08
0.5754171.8360632.079081e-08
0.5779171.8357982.111032e-08
0.5804271.8355362.143123e-08
0.5829491.8352762.175353e-08
0.5854811.8350192.207723e-08
0.5880251.8347642.240234e-08
0.5905791.8345112.272885e-08
0.5931451.834262.305679e-08
0.5957221.8340122.338615e-08
0.598311.8337662.371695e-08
0.61.8336062.393300e-08
0.6009091.8335212.396926e-08
0.6035191.8332792.407342e-08
0.6061411.833042.417803e-08
0.6087741.8328022.428310e-08
0.6114191.8325662.438862e-08
0.6140751.8323322.449460e-08
0.6167431.8321012.460104e-08
0.6194221.8318712.470795e-08
0.6221131.8316432.481531e-08
0.6248161.8314182.492315e-08
0.627531.8311942.503145e-08
0.6302561.8309722.514022e-08
0.6329941.8307522.524947e-08
0.6357441.8305342.535919e-08
0.6385061.8303172.546938e-08
0.641281.8301032.558006e-08
0.6440661.829892.569122e-08
0.6468641.8296792.580286e-08
0.6496741.829472.591498e-08
0.651.8294462.592800e-08
0.6524961.8292632.602754e-08
0.6553311.8290572.614058e-08
0.6581781.8288532.625412e-08
0.6610371.828652.636815e-08
0.6639081.828452.648267e-08
0.6667931.8282512.659769e-08
0.6696891.8280532.671321e-08
0.6725991.8278572.682923e-08
0.6755211.8276632.694576e-08
0.6784551.827472.706279e-08
0.6814031.8272792.718033e-08
0.6843631.8270892.729839e-08
0.6873361.8269012.741695e-08
0.6903221.8267152.753603e-08
0.6933211.8265292.765563e-08
0.6963331.8263462.777574e-08
0.6993581.8261632.789638e-08
0.71.8261252.792200e-08
0.7023961.8259822.894006e-08
0.7054471.8258033.023671e-08
0.7085121.8256253.153899e-08
0.711591.8254483.284694e-08
0.7146811.8252733.416056e-08
0.7177861.8250993.547989e-08
0.7209041.8249263.680495e-08
0.7240361.8247543.813576e-08
0.7271811.8245843.947236e-08
0.730341.8244154.081477e-08
0.7335131.8242484.216300e-08
0.73671.8240814.351710e-08
0.73991.8239164.487707e-08
0.7431141.8237524.624296e-08
0.7463421.823594.761477e-08
0.7495851.8234284.899255e-08
0.7528411.8232685.037631e-08
0.7561121.8231095.176609e-08
0.7593961.8229515.316190e-08
0.7626951.8227945.456377e-08
0.7660091.8226385.597174e-08
0.7693361.8224835.738582e-08
0.7726791.8223295.880605e-08
0.7760351.8221776.023244e-08
0.7794071.8220256.166503e-08
0.7827931.8218756.310385e-08
0.7861931.8217256.454891e-08
0.7896091.8215776.600025e-08
0.7930391.8214296.745790e-08
0.7964841.8212836.892188e-08
0.7999441.8211377.039222e-08
0.81.8211357.041600e-08
0.8034191.8209936.874408e-08
0.8069091.8208496.703743e-08
0.8104151.8207076.532335e-08
0.8139351.8205656.360184e-08
0.8174711.8204246.187284e-08
0.8210231.8202846.013633e-08
0.8245891.8201455.839228e-08
0.8281721.8200075.664065e-08
0.8317691.819875.488141e-08
0.8353831.8197345.311453e-08
0.8390121.8195985.133997e-08
0.8426571.8194634.955771e-08
0.8463171.819334.776770e-08
0.8499941.8191964.596992e-08
0.8536871.8190644.416432e-08
0.8573951.8189334.235088e-08
0.861121.8188024.052957e-08
0.8648611.8186723.870034e-08
0.8686181.8185433.686316e-08
0.8723911.8184143.501801e-08
0.8761811.8182863.316483e-08
0.8799881.8181593.130361e-08
0.8838111.8180332.943430e-08
0.887651.8179072.755687e-08
0.8915061.8177822.567129e-08
0.8953791.8176582.377751e-08
0.8992691.8175342.187551e-08
0.91.8175112.151800e-08
0.9031751.8174112.235544e-08
0.9070991.8172892.339018e-08
0.911041.8171672.442940e-08
0.9149981.8170462.547315e-08
0.9189721.8169262.652142e-08
0.9229651.8168062.757426e-08
0.9269741.8166872.863166e-08
0.9310011.8165682.969366e-08
0.9350461.816453.076027e-08
0.9391081.8163323.183152e-08
0.9431881.8162153.290742e-08
0.9472851.8160993.398799e-08
0.95141.8159833.507326e-08
0.9555331.8158673.616324e-08
0.9596841.8157533.725796e-08
0.9638531.8156383.835743e-08
0.9680411.8155243.946168e-08
0.9722461.8154114.057073e-08
0.976471.8152984.168459e-08
0.9807121.8151854.280330e-08
0.9849721.8150734.392686e-08
0.9892511.8149624.505531e-08
0.9935491.8148514.618865e-08
0.9978651.814744.732692e-08
11.8146854.789000e-08
1.00221.814634.757353e-08
1.006551.814524.694720e-08
1.010931.814414.631814e-08
1.015321.8143014.568635e-08
1.019731.8141924.505181e-08
1.024161.8140844.441452e-08
1.028611.8139764.377446e-08
1.033081.8138684.313162e-08
1.037561.8137614.248599e-08
1.042071.8136544.183755e-08
1.04661.8135474.118630e-08
1.051151.8134414.053221e-08
1.055711.8133353.987529e-08
1.06031.8132293.921551e-08
1.06491.8131243.855286e-08
1.069531.8130193.788734e-08
1.074181.8129143.721892e-08
1.078841.8128093.654761e-08
1.083531.8127053.587337e-08
1.088241.8126013.519620e-08
1.092961.8124973.451610e-08
1.097711.8123943.383304e-08
1.102481.812293.314701e-08
1.107271.8121873.245800e-08
1.112081.8120843.176600e-08
1.116911.8119813.107099e-08
1.121761.8118793.037296e-08
1.126641.8117762.967190e-08
1.131531.8116742.896780e-08
1.136451.8115722.826064e-08
1.141381.811472.755040e-08
1.146341.8113692.683708e-08
1.151321.8112672.612066e-08
1.156321.8111662.540112e-08
1.161351.8110642.467847e-08
1.166391.8109632.395267e-08
1.171461.8108622.322372e-08
1.176551.8107612.249160e-08
1.181661.810662.175630e-08
1.186791.8105592.101781e-08
1.191951.8104582.027611e-08
1.197131.8103581.953119e-08
1.21.8103021.911800e-08
1.202331.8102571.902519e-08
1.207551.8101561.881699e-08
1.21281.8100561.860789e-08
1.218071.8099551.839788e-08
1.223361.8098551.818696e-08
1.228671.8097541.797512e-08
1.234011.8096541.776236e-08
1.239371.8095531.754868e-08
1.244751.8094531.733407e-08
1.250161.8093521.711853e-08
1.255591.8092521.690205e-08
1.261051.8091511.668463e-08
1.266531.8090511.646626e-08
1.272031.808951.624695e-08
1.277551.8088491.602668e-08
1.28311.8087481.580546e-08
1.288681.8086481.558328e-08
1.294281.8085471.536013e-08
1.29991.8084461.513601e-08
1.305551.8083451.491092e-08
1.311221.8082431.468485e-08
1.316911.8081421.445779e-08
1.322641.808041.422976e-08
1.328381.8079391.400073e-08
1.334151.8078371.377070e-08
1.339951.8077351.353968e-08
1.345771.8076331.330765e-08
1.351621.8075311.307462e-08
1.357491.8074291.284057e-08
1.363381.8073261.260551e-08
1.369311.8072231.236942e-08
1.375261.807121.213231e-08
1.381231.8070171.189417e-08
1.387231.8069141.165499e-08
1.393261.806811.141478e-08
1.399311.8067061.117352e-08
1.41.8066941.114600e-08
1.405391.8066021.291013e-08
1.411491.8064981.490896e-08
1.417631.8063931.691647e-08
1.423781.8062881.893270e-08
1.429971.8061832.095769e-08
1.436181.8060782.299148e-08
1.442421.8059722.503410e-08
1.448691.8058662.708559e-08
1.454981.805762.914600e-08
1.46131.8056533.121536e-08
1.467651.8055463.329371e-08
1.474031.8054383.538109e-08
1.480431.8053313.747753e-08
1.486861.8052233.958308e-08
1.493321.8051144.169778e-08
1.499811.8050064.382167e-08
1.506321.8048964.595478e-08
1.512871.8047874.809716e-08
1.519441.8046775.024885e-08
1.526041.8045665.240988e-08
1.532671.8044565.458031e-08
1.539331.8043445.676016e-08
1.546011.8042335.894948e-08
1.552731.8041216.114831e-08
1.559481.8040086.335669e-08
1.566251.8038956.557467e-08
1.573051.8037816.780228e-08
1.579891.8036677.003957e-08
1.586751.8035537.228658e-08
1.593641.8034387.454336e-08
1.61.8033327.662400e-08
1.600571.8033227.689747e-08
1.607521.8032068.024566e-08
1.61451.8030898.360840e-08
1.621521.8029728.698575e-08
1.628561.8028559.037777e-08
1.635641.8027369.378453e-08
1.642741.8026179.720608e-08
1.649881.8024981.006425e-07
1.657051.8023781.040939e-07
1.664251.8022571.075602e-07
1.671481.8021361.110416e-07
1.678741.8020141.145381e-07
1.686031.8018921.180498e-07
1.693351.8017681.215768e-07
1.700711.8016441.251191e-07
1.70811.801521.286768e-07
1.715521.8013951.322499e-07
1.722971.8012691.358386e-07
1.730461.8011421.394428e-07
1.737971.8010151.430627e-07
1.745521.8008871.466984e-07
1.753111.8007581.503498e-07
1.760721.8006281.540171e-07
1.768371.8004981.577003e-07
1.776051.8003671.613995e-07
1.783771.8002351.651148e-07
1.791521.8001031.688462e-07
1.79931.7999691.725939e-07
1.81.7999571.729300e-07
1.807121.7998351.822802e-07
1.814971.79971.925919e-07
1.822851.7995642.029484e-07
1.830771.7994272.133499e-07
1.838731.7992892.237965e-07
1.846711.7991512.342886e-07
1.854741.7990112.448262e-07
1.862791.7988712.554096e-07
1.870891.798732.660390e-07
1.879011.7985872.767146e-07
1.887181.7984442.874365e-07
1.895371.79832.982050e-07
1.903611.7981553.090203e-07
1.911881.7980093.198826e-07
1.920181.7978623.307921e-07
1.928531.7977143.417489e-07
1.93691.7975653.527534e-07
1.945321.7974153.638057e-07
1.953771.7972643.749059e-07
1.962261.7971113.860544e-07
1.970781.7969583.972514e-07
1.979341.7968044.084970e-07
1.987941.7966484.197914e-07
1.996581.7964924.311349e-07
21.7964294.356300e-07
2.005251.7963344.536125e-07
2.013961.7961754.834430e-07
2.022711.7960155.134030e-07
2.03151.7958545.434932e-07
2.040321.7956915.737142e-07
2.049191.7955286.040664e-07
2.058091.7953636.345505e-07

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
—