Optical constants

Refractive index of J-LASF014 (HIKARI)

J-LASF014: 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
1.788
Extinction coefficient k
1.98319e-08
Permittivity ε1
3.19693
Permittivity ε2
7.09187e-08
Absorption coefficient α
0.00424123 cm⁻¹
Penetration depth δ = λ/(2πk)
4.71561e+09 nm
Abbe number Vd
47.355
Chromatic dispersion dn/dλ
-0.0854434 µm⁻¹
Group index ng
1.8382
Group velocity dispersion
155.372 fs²/mm
Dispersion parameter D
-847.636 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-LASF014 (HIKARI): J-LASF014
hikari_j_lasf014 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASF014", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lasf014.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_lasf014.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=3.1211948−0.0137527216⁢λ2.0−0.000186592469⁢λ4.0+0.0263764849⁢λ−2.0+0.00045369866⁢λ−4.0+1.09722341×10-5⁢λ−6.0+6.11243363×10-7⁢λ−8.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C13.1211948
C2-0.0137527216
C32.0
C4-0.000186592469
C54.0
C60.0263764849
C7-2.0
C80.00045369866
C9-4.0
C101.09722341e-05
C11-6.0
C126.11243363e-07
C13-8.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 2.5104e-06 1.1883e-08 -2.1145e-12 7.0672e-07 3.7726e-10 0.13495
nd
1.788000
Vd
47.354706
density
value: 4360
thermal expansion
value: 5.7e-06, temperature range: 243 343
dPgF
-0.009
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 2.67e-06 K⁻¹ at 633 nm, dn/dT = 1.75e-06 K⁻¹ at 1310 nm, dn/dT = 1.67e-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-LASF014 (HIKARI), J-LASF014: n and k versus wavelength
λ (µm)nk
0.3650151.8301543.382492e-07
0.3666011.8295123.138515e-07
0.3681931.8288772.893477e-07
0.3697931.828252.647376e-07
0.371.8281692.615500e-07
0.3713991.8276292.479936e-07
0.3730131.8270162.323626e-07
0.3746331.8264092.166636e-07
0.3762611.825812.008964e-07
0.3778951.8252161.850608e-07
0.3795371.824631.691563e-07
0.381.8244661.646700e-07
0.3811861.824051.586371e-07
0.3828421.8234761.502116e-07
0.3845051.8229091.417494e-07
0.3861751.8223481.332505e-07
0.3878531.8217931.247147e-07
0.3895381.8212441.161418e-07
0.391.8210951.137900e-07
0.391231.8207011.097062e-07
0.392931.8201641.040634e-07
0.3946371.8196339.839608e-08
0.3963511.8191079.270412e-08
0.3980731.8185878.698744e-08
0.3998021.8180738.124591e-08
0.41.8180148.058900e-08
0.4015391.8175647.853593e-08
0.4032831.8170617.620884e-08
0.4050351.8165637.387164e-08
0.4067951.816077.152429e-08
0.4085621.8155826.916674e-08
0.4103371.81516.679895e-08
0.412121.8146236.442087e-08
0.413911.814156.203247e-08
0.4157081.8136835.963368e-08
0.4175141.813225.722448e-08
0.4193281.8127635.480481e-08
0.421.8125955.390800e-08
0.4211491.812315.303565e-08
0.4229791.8118625.164710e-08
0.4248171.8114185.025251e-08
0.4266621.8109794.885187e-08
0.4285161.8105444.744514e-08
0.4303771.8101144.603230e-08
0.4322471.8096894.461332e-08
0.4341251.8092674.318818e-08
0.436011.808854.175685e-08
0.4379051.8084374.031930e-08
0.4398071.8080293.887550e-08
0.441.8079883.872900e-08
0.4417181.8076243.792800e-08
0.4436371.8072243.703311e-08
0.4455641.8068273.613433e-08
0.4474991.8064353.523165e-08
0.4494431.8060463.432504e-08
0.4513961.8056623.341450e-08
0.4533571.8052813.250000e-08
0.4553261.8049043.158153e-08
0.4573041.804533.065907e-08
0.4592911.8041612.973260e-08
0.461.804032.940200e-08
0.4612861.8037952.898940e-08
0.463291.8034322.834664e-08
0.4653031.8030742.770109e-08
0.4673241.8027182.705273e-08
0.4693541.8023662.640155e-08
0.4713931.8020182.574755e-08
0.4734411.8016732.509070e-08
0.4754981.8013312.443100e-08
0.4775641.8009932.376844e-08
0.4796381.8006572.310299e-08
0.481.8005992.298700e-08
0.4817221.8003252.272499e-08
0.4838151.7999972.240659e-08
0.4859171.7996712.208680e-08
0.4880271.7993492.176562e-08
0.4901481.7990292.144304e-08
0.4922771.7987132.111907e-08
0.4944151.7983992.079369e-08
0.4965631.7980892.046689e-08
0.4987211.7977812.013867e-08
0.51.7976011.994400e-08
0.5008871.7974771.997939e-08
0.5030631.7971752.006622e-08
0.5052481.7968762.015341e-08
0.5074431.796582.024099e-08
0.5096481.7962862.032895e-08
0.5118621.7959962.041729e-08
0.5140861.7957082.050601e-08
0.5163191.7954222.059512e-08
0.5185621.795142.068462e-08
0.5208151.794862.077450e-08
0.5230771.7945822.086478e-08
0.5253491.7943072.095545e-08
0.5276321.7940352.104651e-08
0.5299241.7937652.113796e-08
0.5322261.7934972.122982e-08
0.5345381.7932322.132207e-08
0.536861.7929692.141473e-08
0.5391931.7927092.150778e-08
0.5415351.7924512.160124e-08
0.5438871.7921952.169511e-08
0.546251.7919422.178938e-08
0.5486231.7916912.188407e-08
0.551.7915472.193900e-08
0.5510071.7914422.188259e-08
0.55341.7911952.174845e-08
0.5558041.7909512.161372e-08
0.5582191.7907092.147841e-08
0.5606441.7904682.134251e-08
0.563081.790232.120602e-08
0.5655261.7899942.106894e-08
0.5679821.789762.093126e-08
0.570451.7895292.079298e-08
0.5729281.7892992.065411e-08
0.5754171.7890712.051463e-08
0.5779171.7888452.037454e-08
0.5804271.7886212.023385e-08
0.5829491.7883992.009254e-08
0.5854811.7881791.995062e-08
0.5880251.787961.980809e-08
0.5905791.7877441.966493e-08
0.5931451.787531.952116e-08
0.5957221.7873171.937675e-08
0.598311.7871061.923172e-08
0.61.7869691.913700e-08
0.6009091.7868971.926045e-08
0.6035191.7866891.961500e-08
0.6061411.7864841.997110e-08
0.6087741.786282.032874e-08
0.6114191.7860772.068794e-08
0.6140751.7858772.104870e-08
0.6167431.7856782.141102e-08
0.6194221.785482.177492e-08
0.6221131.7852852.214040e-08
0.6248161.7850912.250747e-08
0.627531.7848982.287613e-08
0.6302561.7847072.324640e-08
0.6329941.7845182.361827e-08
0.6357441.784332.399176e-08
0.6385061.7841442.436687e-08
0.641281.7839592.474361e-08
0.6440661.7837752.512199e-08
0.6468641.7835932.550201e-08
0.6496741.7834132.588368e-08
0.651.7833922.592800e-08
0.6524961.7832342.630714e-08
0.6553311.7830562.673772e-08
0.6581781.782882.717016e-08
0.6610371.7827052.760449e-08
0.6639081.7825312.804070e-08
0.6667931.7823592.847880e-08
0.6696891.7821882.891881e-08
0.6725991.7820182.936073e-08
0.6755211.781852.980457e-08
0.6784551.7816833.025034e-08
0.6814031.7815173.069805e-08
0.6843631.7813533.114770e-08
0.6873361.781193.159930e-08
0.6903221.7810283.205287e-08
0.6933211.7808673.250840e-08
0.6963331.7807073.296592e-08
0.6993581.7805493.342542e-08
0.71.7805153.352300e-08
0.7023961.7803913.425273e-08
0.7054471.7802353.518215e-08
0.7085121.780083.611560e-08
0.711591.7799263.705311e-08
0.7146811.7797733.799470e-08
0.7177861.7796223.894037e-08
0.7209041.7794713.989015e-08
0.7240361.7793214.084406e-08
0.7271811.7791734.180211e-08
0.730341.7790254.276432e-08
0.7335131.7788794.373072e-08
0.73671.7787334.470131e-08
0.73991.7785894.567612e-08
0.7431141.7784454.665516e-08
0.7463421.7783034.763846e-08
0.7495851.7781614.862602e-08
0.7528411.7780214.961788e-08
0.7561121.7778815.061405e-08
0.7593961.7777425.161454e-08
0.7626951.7776045.261939e-08
0.7660091.7774675.362859e-08
0.7693361.7773315.464218e-08
0.7726791.7771965.566018e-08
0.7760351.7770625.668259e-08
0.7794071.7769285.770945e-08
0.7827931.7767965.874077e-08
0.7861931.7766645.977657e-08
0.7896091.7765336.081687e-08
0.7930391.7764036.186168e-08
0.7964841.7762736.291104e-08
0.7999441.7761456.396496e-08
0.81.7761436.398200e-08
0.8034191.7760176.228458e-08
0.8069091.775896.055188e-08
0.8104151.7757645.881166e-08
0.8139351.7756385.706388e-08
0.8174711.7755135.530850e-08
0.8210231.7753895.354550e-08
0.8245891.7752665.177484e-08
0.8281721.7751434.999649e-08
0.8317691.7750214.821041e-08
0.8353831.77494.641657e-08
0.8390121.7747794.461494e-08
0.8426571.7746594.280549e-08
0.8463171.774544.098817e-08
0.8499941.7744213.916296e-08
0.8536871.7743033.732982e-08
0.8573951.7741853.548871e-08
0.861121.7740683.363961e-08
0.8648611.7739523.178248e-08
0.8686181.7738362.991727e-08
0.8723911.7737212.804397e-08
0.8761811.7736072.616252e-08
0.8799881.7734932.427290e-08
0.8838111.7733792.237508e-08
0.887651.7732662.046901e-08
0.8915061.7731541.855465e-08
0.8953791.7730421.663199e-08
0.8992691.7729311.470096e-08
0.91.772911.433800e-08
0.9031751.772821.514937e-08
0.9070991.772711.615189e-08
0.911041.77261.715877e-08
0.9149981.772491.817002e-08
0.9189721.7723811.918566e-08
0.9229651.7722732.020572e-08
0.9269741.7721652.123020e-08
0.9310011.7720572.225914e-08
0.9350461.771952.329255e-08
0.9391081.7718432.433044e-08
0.9431881.7717372.537285e-08
0.9472851.7716312.641978e-08
0.95141.7715262.747126e-08
0.9555331.771422.852731e-08
0.9596841.7713162.958795e-08
0.9638531.7712113.065320e-08
0.9680411.7711073.172307e-08
0.9722461.7710043.279759e-08
0.976471.77093.387678e-08
0.9807121.7707973.496065e-08
0.9849721.7706943.604924e-08
0.9892511.7705923.714255e-08
0.9935491.770493.824062e-08
0.9978651.7703883.934345e-08
11.7703383.988900e-08
1.00221.7702873.955534e-08
1.006551.7701863.889498e-08
1.010931.7700853.823176e-08
1.015321.7699843.756565e-08
1.019731.7698843.689664e-08
1.024161.7697833.622474e-08
1.028611.7696843.554991e-08
1.033081.7695843.487215e-08
1.037561.7694843.419144e-08
1.042071.7693853.350778e-08
1.04661.7692863.282115e-08
1.051151.7691873.213154e-08
1.055711.7690893.143893e-08
1.06031.768993.074331e-08
1.06491.7688923.004467e-08
1.069531.7687942.934299e-08
1.074181.7686962.863827e-08
1.078841.7685982.793048e-08
1.083531.7685012.721962e-08
1.088241.7684032.650568e-08
1.092961.7683062.578863e-08
1.097711.7682082.506846e-08
1.102481.7681112.434517e-08
1.107271.7680142.361873e-08
1.112081.7679172.288914e-08
1.116911.767822.215638e-08
1.121761.7677242.142044e-08
1.126641.7676272.068129e-08
1.131531.767531.993894e-08
1.136451.7674341.919336e-08
1.141381.7673371.844455e-08
1.146341.7672411.769248e-08
1.151321.7671441.693714e-08
1.156321.7670481.617853e-08
1.161351.7669511.541661e-08
1.166391.7668551.465139e-08
1.171461.7667591.388284e-08
1.176551.7666621.311095e-08
1.181661.7665661.233572e-08
1.186791.7664691.155711e-08
1.191951.7663731.077512e-08
1.197131.7662769.989731e-09
1.21.7662239.554100e-09
1.202331.766189.832571e-09
1.207551.7660831.045724e-08
1.21281.7659861.108462e-08
1.218071.765891.171472e-08
1.223361.7657931.234756e-08
1.228671.7656961.298315e-08
1.234011.7655991.362151e-08
1.239371.7655021.426263e-08
1.244751.7654051.490654e-08
1.250161.7653071.555325e-08
1.255591.765211.620277e-08
1.261051.7651121.685511e-08
1.266531.7650151.751028e-08
1.272031.7649171.816830e-08
1.277551.7648191.882918e-08
1.28311.764721.949293e-08
1.288681.7646222.015956e-08
1.294281.7645232.082909e-08
1.29991.7644252.150152e-08
1.305551.7643262.217688e-08
1.311221.7642272.285517e-08
1.316911.7641272.353641e-08
1.322641.7640282.422061e-08
1.328381.7639282.490778e-08
1.334151.7638282.559794e-08
1.339951.7637272.629109e-08
1.345771.7636272.698726e-08
1.351621.7635262.768645e-08
1.357491.7634252.838867e-08
1.363381.7633232.909395e-08
1.369311.7632222.980229e-08
1.375261.763123.051371e-08
1.381231.7630173.122822e-08
1.387231.7629153.194583e-08
1.393261.7628123.266656e-08
1.399311.7627083.339043e-08
1.41.7626973.347300e-08
1.405391.7626053.532656e-08
1.411491.7625013.742670e-08
1.417631.7623973.953597e-08
1.423781.7622924.165440e-08
1.429971.7621874.378203e-08
1.436181.7620814.591891e-08
1.442421.7619754.806507e-08
1.448691.7618695.022055e-08
1.454981.7617625.238540e-08
1.46131.7616555.455965e-08
1.467651.7615485.674335e-08
1.474031.761445.893653e-08
1.480431.7613316.113924e-08
1.486861.7612226.335152e-08
1.493321.7611136.557342e-08
1.499811.7610036.780496e-08
1.506321.7608937.004620e-08
1.512871.7607827.229717e-08
1.519441.760677.455792e-08
1.526041.7605597.682850e-08
1.532671.7604467.910894e-08
1.539331.7603338.139928e-08
1.546011.760228.369958e-08
1.552731.7601068.600987e-08
1.559481.7599918.833019e-08
1.566251.7598769.066059e-08
1.573051.759769.300112e-08
1.579891.7596449.535182e-08
1.586751.7595279.771273e-08
1.593641.7594091.000839e-07
1.61.75931.022700e-07
1.600571.7592911.028844e-07
1.607521.7591721.104068e-07
1.61451.7590521.179618e-07
1.621521.7589321.255497e-07
1.628561.7588111.331705e-07
1.635641.758691.408244e-07
1.642741.7585681.485116e-07
1.649881.7584451.562322e-07
1.657051.7583211.639863e-07
1.664251.7581971.717741e-07
1.671481.7580711.795958e-07
1.678741.7579461.874514e-07
1.686031.7578191.953411e-07
1.693351.7576922.032651e-07
1.700711.7575632.112236e-07
1.70811.7574342.192166e-07
1.715521.7573052.272443e-07
1.722971.7571742.353069e-07
1.730461.7570432.434046e-07
1.737971.756912.515374e-07
1.745521.7567772.597056e-07
1.753111.7566432.679092e-07
1.760721.7565082.761485e-07
1.768371.7563732.844235e-07
1.776051.7562362.927345e-07
1.783771.7560983.010817e-07
1.791521.755963.094650e-07
1.79931.755823.178848e-07
1.81.7558083.186400e-07
1.807121.755683.321966e-07
1.814971.7555393.471471e-07
1.822851.7553963.621627e-07
1.830771.7552533.772434e-07
1.838731.7551093.923897e-07
1.846711.7549634.076018e-07
1.854741.7548174.228799e-07
1.862791.754674.382245e-07
1.870891.7545214.536357e-07
1.879011.7543724.691138e-07
1.887181.7542214.846592e-07
1.895371.7540695.002721e-07
1.903611.7539165.159528e-07
1.911881.7537625.317017e-07
1.920181.7536075.475190e-07
1.928531.7534515.634050e-07
1.93691.7532935.793600e-07
1.945321.7531355.953843e-07
1.953771.7529756.114782e-07
1.962261.7528146.276420e-07
1.970781.7526516.438761e-07
1.979341.7524886.601807e-07
1.987941.7523236.765561e-07
1.996581.7521566.930027e-07
21.752096.995200e-07
2.005251.7519897.347219e-07
2.013961.751827.931171e-07
2.022711.751658.517660e-07
2.03151.7514799.106697e-07
2.040321.7513069.698293e-07
2.049191.7511321.029246e-06
2.058091.7509561.088921e-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
—