Optical constants

Refractive index of J-LASF016 (HIKARI)

J-LASF016: 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
1.7725
Extinction coefficient k
1.76522e-08
Permittivity ε1
3.14175
Permittivity ε2
6.25770e-08
Absorption coefficient α
0.00377509 cm⁻¹
Penetration depth δ = λ/(2πk)
5.29788e+09 nm
Abbe number Vd
49.62
Chromatic dispersion dn/dλ
-0.0800901 µm⁻¹
Group index ng
1.81956
Group velocity dispersion
143.884 fs²/mm
Dispersion parameter D
-784.962 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-LASF016 (HIKARI): J-LASF016
hikari_j_lasf016 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASF016", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lasf016.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_lasf016.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=3.07219058−0.0142144846⁢λ2.0−0.000167817254⁢λ4.0+0.0244174902⁢λ−2.0+0.000425680243⁢λ−4.0+6.77243763×10-6⁢λ−6.0+4.02219194×10-7⁢λ−8.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C13.07219058
C2-0.0142144846
C32.0
C4-0.000167817254
C54.0
C60.0244174902
C7-2.0
C80.000425680243
C9-4.0
C106.77243763e-06
C11-6.0
C124.02219194e-07
C13-8.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 3.2586e-06 1.1018e-08 -6.6547e-13 6.1771e-07 3.556e-10 0.17922
nd
1.772500
Vd
49.620185
density
value: 4260
thermal expansion
value: 5.5e-06, temperature range: 243 343
dPgF
-0.0093
resistance
phosphate: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 2.97e-06 K⁻¹ at 633 nm, dn/dT = 2.14e-06 K⁻¹ at 1310 nm, dn/dT = 2.06e-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-LASF016 (HIKARI), J-LASF016: n and k versus wavelength
λ (µm)nk
0.3650151.811542.737397e-07
0.3666011.8109532.536266e-07
0.3681931.8103722.334261e-07
0.3697931.8097972.131378e-07
0.371.8097242.105100e-07
0.3713991.8092291.992093e-07
0.3730131.8086671.861791e-07
0.3746331.8081111.730923e-07
0.3762611.8075611.599487e-07
0.3778951.8070161.467479e-07
0.3795371.8064781.334898e-07
0.381.8063281.297500e-07
0.3811861.8059461.244376e-07
0.3828421.8054191.170184e-07
0.3845051.8048981.095670e-07
0.3861751.8043821.020832e-07
0.3878531.8038729.456690e-08
0.3895381.8033678.701794e-08
0.391.803238.494700e-08
0.391231.8028678.161010e-08
0.392931.8023737.699927e-08
0.3946371.8018847.236841e-08
0.3963511.80146.771743e-08
0.3980731.8009216.304625e-08
0.3998021.8004475.835477e-08
0.41.8003935.781800e-08
0.4015391.7999785.595376e-08
0.4032831.7995145.384071e-08
0.4050351.7990555.171848e-08
0.4067951.79864.958702e-08
0.4085621.798154.744631e-08
0.4103371.7977054.529630e-08
0.412121.7972644.313695e-08
0.413911.7968284.096821e-08
0.4157081.7963963.879006e-08
0.4175141.7959693.660244e-08
0.4193281.7955463.440532e-08
0.421.7953913.359100e-08
0.4211491.7951273.307405e-08
0.4229791.7947133.225120e-08
0.4248171.7943033.142478e-08
0.4266621.7938963.059476e-08
0.4285161.7934942.976114e-08
0.4303771.7930962.892390e-08
0.4322471.7927022.808302e-08
0.4341251.7923122.723849e-08
0.436011.7919252.639029e-08
0.4379051.7915432.553840e-08
0.4398071.7911642.468282e-08
0.441.7911262.459600e-08
0.4417181.7907892.405951e-08
0.4436371.7904182.346013e-08
0.4455641.790052.285815e-08
0.4474991.7896862.225356e-08
0.4494431.7893262.164634e-08
0.4513961.7889692.103648e-08
0.4533571.7886152.042397e-08
0.4553261.7882651.980880e-08
0.4573041.7879191.919096e-08
0.4592911.7875761.857043e-08
0.461.7874541.834900e-08
0.4612861.7872361.790695e-08
0.463291.7868991.721829e-08
0.4653031.7865651.652665e-08
0.4673241.7862351.583200e-08
0.4693541.7859081.513433e-08
0.4713931.7855841.443364e-08
0.4734411.7852631.372989e-08
0.4754981.7849451.302310e-08
0.4775641.7846311.231323e-08
0.4796381.7843191.160027e-08
0.481.7842651.147600e-08
0.4817221.784011.186096e-08
0.4838151.7837041.232879e-08
0.4859171.7834011.279864e-08
0.4880271.78311.327054e-08
0.4901481.7828031.374449e-08
0.4922771.7825081.422050e-08
0.4944151.7822161.469858e-08
0.4965631.7819271.517873e-08
0.4987211.781641.566097e-08
0.51.7814721.594700e-08
0.5008871.7813571.589738e-08
0.5030631.7810751.577565e-08
0.5052481.7807971.565340e-08
0.5074431.780521.553062e-08
0.5096481.7802471.540730e-08
0.5118621.7799761.528345e-08
0.5140861.7797071.515906e-08
0.5163191.7794411.503412e-08
0.5185621.7791771.490865e-08
0.5208151.7789161.478263e-08
0.5230771.7786571.465607e-08
0.5253491.77841.452895e-08
0.5276321.7781461.440128e-08
0.5299241.7778931.427306e-08
0.5322261.7776441.414428e-08
0.5345381.7773961.401494e-08
0.536861.777151.388504e-08
0.5391931.7769071.375457e-08
0.5415351.7766661.362354e-08
0.5438871.7764271.349194e-08
0.546251.776191.335976e-08
0.5486231.7759551.322701e-08
0.551.7758211.315000e-08
0.5510071.7757231.327053e-08
0.55341.7754921.355715e-08
0.5558041.7752631.384502e-08
0.5582191.7750371.413414e-08
0.5606441.7748121.442451e-08
0.563081.7745891.471615e-08
0.5655261.7743681.500905e-08
0.5679821.7741491.530322e-08
0.570451.7739321.559868e-08
0.5729281.7737171.589541e-08
0.5754171.7735031.619344e-08
0.5779171.7732921.649276e-08
0.5804271.7730821.679338e-08
0.5829491.7728741.709530e-08
0.5854811.7726681.739854e-08
0.5880251.7724631.770310e-08
0.5905791.772261.800897e-08
0.5931451.7720591.831618e-08
0.5957221.7718591.862472e-08
0.598311.7716621.893460e-08
0.61.7715341.913700e-08
0.6009091.7714651.916599e-08
0.6035191.7712711.924927e-08
0.6061411.7710781.933290e-08
0.6087741.7708861.941690e-08
0.6114191.7706961.950127e-08
0.6140751.7705081.958600e-08
0.6167431.7703211.967110e-08
0.6194221.7701361.975657e-08
0.6221131.7699521.984241e-08
0.6248161.769771.992862e-08
0.627531.7695892.001521e-08
0.6302561.769412.010217e-08
0.6329941.7692322.018951e-08
0.6357441.7690552.027724e-08
0.6385061.768882.036534e-08
0.641281.7687062.045382e-08
0.6440661.7685332.054269e-08
0.6468641.7683622.063195e-08
0.6496741.7681922.072159e-08
0.651.7681732.073200e-08
0.6524961.7680242.109092e-08
0.6553311.7678572.149854e-08
0.6581781.7676912.190792e-08
0.6610371.7675262.231909e-08
0.6639081.7673622.273204e-08
0.6667931.76722.314678e-08
0.6696891.7670392.356333e-08
0.6725991.7668792.398168e-08
0.6755211.7667212.440186e-08
0.6784551.7665632.482386e-08
0.6814031.7664072.524769e-08
0.6843631.7662522.567336e-08
0.6873361.7660982.610088e-08
0.6903221.7659452.653026e-08
0.6933211.7657932.696151e-08
0.6963331.7656432.739462e-08
0.6993581.7654932.782962e-08
0.71.7654612.792200e-08
0.7023961.7653442.832444e-08
0.7054471.7651972.883701e-08
0.7085121.7650512.935181e-08
0.711591.7649052.986884e-08
0.7146811.7647613.038812e-08
0.7177861.7646173.090965e-08
0.7209041.7644753.143345e-08
0.7240361.7643333.195953e-08
0.7271811.7641933.248789e-08
0.730341.7640533.301855e-08
0.7335131.7639153.355151e-08
0.73671.7637773.408679e-08
0.73991.763643.462439e-08
0.7431141.7635043.516433e-08
0.7463421.7633693.570661e-08
0.7495851.7632353.625125e-08
0.7528411.7631023.679825e-08
0.7561121.762973.734764e-08
0.7593961.7628383.789940e-08
0.7626951.7627073.845357e-08
0.7660091.7625773.901014e-08
0.7693361.7624483.956913e-08
0.7726791.762324.013055e-08
0.7760351.7621924.069441e-08
0.7794071.7620664.126072e-08
0.7827931.761944.182948e-08
0.7861931.7618144.240072e-08
0.7896091.761694.297444e-08
0.7930391.7615664.355066e-08
0.7964841.7614434.412937e-08
0.7999441.7613214.471060e-08
0.81.7613194.472000e-08
0.8034191.7611994.343594e-08
0.8069091.7610784.212520e-08
0.8104151.7609584.080877e-08
0.8139351.7608393.948662e-08
0.8174711.760723.815872e-08
0.8210231.7606013.682506e-08
0.8245891.7604843.548560e-08
0.8281721.7603673.414032e-08
0.8317691.760253.278920e-08
0.8353831.7601353.143221e-08
0.8390121.7600193.006932e-08
0.8426571.7599052.870052e-08
0.8463171.7597912.732576e-08
0.8499941.7596772.594504e-08
0.8536871.7595642.455832e-08
0.8573951.7594522.316557e-08
0.861121.759342.176677e-08
0.8648611.7592292.036189e-08
0.8686181.7591181.895092e-08
0.8723911.7590081.753381e-08
0.8761811.7588991.611054e-08
0.8799881.7587891.468110e-08
0.8838111.7586811.324544e-08
0.887651.7585721.180355e-08
0.8915061.7584651.035539e-08
0.8953791.7583578.900941e-09
0.8992691.758257.440173e-09
0.91.758237.165600e-09
0.9031751.7581447.697287e-09
0.9070991.7580388.354232e-09
0.911041.7579329.014030e-09
0.9149981.7578279.676696e-09
0.9189721.7577231.034224e-08
0.9229651.7576181.101068e-08
0.9269741.7575141.168201e-08
0.9310011.7574111.235627e-08
0.9350461.7573081.303345e-08
0.9391081.7572051.371358e-08
0.9431881.7571021.439666e-08
0.9472851.7571.508271e-08
0.95141.7568981.577174e-08
0.9555331.7567971.646376e-08
0.9596841.7566961.715879e-08
0.9638531.7565951.785684e-08
0.9680411.7564941.855792e-08
0.9722461.7563941.926205e-08
0.976471.7562941.996923e-08
0.9807121.7561952.067949e-08
0.9849721.7560952.139283e-08
0.9892511.7559962.210927e-08
0.9935491.7558972.282883e-08
0.9978651.7557992.355151e-08
11.755752.390900e-08
1.00221.75572.375111e-08
1.006551.7556022.343862e-08
1.010931.7555042.312477e-08
1.015321.7554072.280956e-08
1.019731.7553092.249298e-08
1.024161.7552122.217502e-08
1.028611.7551152.185568e-08
1.033081.7550182.153496e-08
1.037561.7549212.121284e-08
1.042071.7548252.088932e-08
1.04661.7547282.056440e-08
1.051151.7546322.023806e-08
1.055711.7545361.991031e-08
1.06031.754441.958113e-08
1.06491.7543441.925052e-08
1.069531.7542481.891848e-08
1.074181.7541531.858500e-08
1.078841.7540571.825006e-08
1.083531.7539621.791367e-08
1.088241.7538671.757582e-08
1.092961.7537711.723651e-08
1.097711.7536761.689571e-08
1.102481.7535811.655344e-08
1.107271.7534861.620968e-08
1.112081.7533911.586443e-08
1.116911.7532961.551768e-08
1.121761.7532011.516942e-08
1.126641.7531061.481964e-08
1.131531.7530121.446835e-08
1.136451.7529171.411554e-08
1.141381.7528221.376119e-08
1.146341.7527271.340530e-08
1.151321.7526321.304786e-08
1.156321.7525371.268887e-08
1.161351.7524431.232832e-08
1.166391.7523481.196621e-08
1.171461.7522531.160252e-08
1.176551.7521581.123725e-08
1.181661.7520631.087040e-08
1.186791.7519671.050195e-08
1.191951.7518721.013190e-08
1.197131.7517779.760247e-09
1.21.7517249.554100e-09
1.202331.7516829.702538e-09
1.207551.7515861.003551e-08
1.21281.7514911.036994e-08
1.218071.7513951.070581e-08
1.223361.7512991.104315e-08
1.228671.7512031.138195e-08
1.234011.7511071.172222e-08
1.239371.7510111.206397e-08
1.244751.7509151.240720e-08
1.250161.7508181.275193e-08
1.255591.7507211.309815e-08
1.261051.7506251.344588e-08
1.266531.7505281.379512e-08
1.272031.750431.414587e-08
1.277551.7503331.449815e-08
1.28311.7502351.485196e-08
1.288681.7501371.520731e-08
1.294281.7500391.556420e-08
1.29991.7499411.592264e-08
1.305551.7498431.628264e-08
1.311221.7497441.664420e-08
1.316911.7496451.700733e-08
1.322641.7495451.737204e-08
1.328381.7494461.773834e-08
1.334151.7493461.810622e-08
1.339951.7492461.847570e-08
1.345771.7491451.884679e-08
1.351621.7490451.921949e-08
1.357491.7489441.959381e-08
1.363381.7488421.996976e-08
1.369311.748742.034734e-08
1.375261.7486382.072656e-08
1.381231.7485362.110743e-08
1.387231.7484332.148995e-08
1.393261.748332.187413e-08
1.399311.7482272.225998e-08
1.41.7482152.230400e-08
1.405391.7481232.515063e-08
1.411491.7480192.837595e-08
1.417631.7479143.161529e-08
1.423781.7478093.486870e-08
1.429971.7477033.813625e-08
1.436181.7475974.141799e-08
1.442421.7474914.471398e-08
1.448691.7473844.802430e-08
1.454981.7472775.134899e-08
1.46131.7471695.468813e-08
1.467651.7470615.804178e-08
1.474031.7469526.140999e-08
1.480431.7468436.479284e-08
1.486861.7467346.819038e-08
1.493321.7466237.160268e-08
1.499811.7465137.502981e-08
1.506321.7464027.847182e-08
1.512871.746298.192879e-08
1.519441.7461788.540077e-08
1.526041.7460658.888784e-08
1.532671.7459519.239006e-08
1.539331.7458379.590749e-08
1.546011.7457239.944020e-08
1.552731.7456081.029883e-07
1.559481.7454921.065517e-07
1.566251.7453751.101307e-07
1.573051.7452581.137252e-07
1.579891.7451411.173353e-07
1.586751.7450221.209611e-07
1.593641.7449041.246026e-07
1.61.7447941.279600e-07
1.600571.7447841.285847e-07
1.607521.7446641.362337e-07
1.61451.7445431.439158e-07
1.621521.7444211.516313e-07
1.628561.7442991.593803e-07
1.635641.7441751.671630e-07
1.642741.7440521.749795e-07
1.649881.7439271.828300e-07
1.657051.7438021.907146e-07
1.664251.7436761.986334e-07
1.671481.7435492.065866e-07
1.678741.7434212.145744e-07
1.686031.7432932.225969e-07
1.693351.7431632.306542e-07
1.700711.7430332.387465e-07
1.70811.7429032.468740e-07
1.715521.7427712.550368e-07
1.722971.7426382.632350e-07
1.730461.7425052.714689e-07
1.737971.742372.797385e-07
1.745521.7422352.880441e-07
1.753111.7420992.963857e-07
1.760721.7419623.047636e-07
1.768371.7418243.131779e-07
1.776051.7416853.216287e-07
1.783771.7415453.301163e-07
1.791521.7414043.386407e-07
1.79931.7412633.472021e-07
1.81.741253.479700e-07
1.807121.741123.640451e-07
1.814971.7409763.817732e-07
1.822851.7408313.995783e-07
1.830771.7406854.174608e-07
1.838731.7405384.354210e-07
1.846711.740394.534591e-07
1.854741.7402414.715757e-07
1.862791.7400914.897709e-07
1.870891.739945.080452e-07
1.879011.7397885.263989e-07
1.887181.7396345.448323e-07
1.895371.739485.633458e-07
1.903611.7393245.819397e-07
1.911881.7391676.006144e-07
1.920181.7390096.193702e-07
1.928531.738856.382075e-07
1.93691.7386896.571266e-07
1.945321.7385286.761279e-07
1.953771.7383656.952118e-07
1.962261.73827.143785e-07
1.970781.7380357.336286e-07
1.979341.7378687.529622e-07
1.987941.73777.723799e-07
1.996581.7375317.918819e-07
21.7374637.996100e-07
2.005251.737368.426315e-07
2.013961.7371889.139982e-07
2.022711.7370149.856750e-07
2.03151.7368391.057663e-06
2.040321.7366631.129964e-06
2.049191.7364851.202579e-06
2.058091.7363061.275509e-06

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
—