Optical constants

Refractive index of J-LAFH3 (HIKARI)

J-LAFH3: n,k 0.3889–2.058 µm

Data
formula 3 + tabulated k
Range
0.3889–2.058 µm
Temperature
296 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.3889–2.058 µm
Refractive index n
1.79503
Extinction coefficient k
3.97490e-08
Permittivity ε1
3.22215
Permittivity ε2
1.42702e-07
Absorption coefficient α
0.00850069 cm⁻¹
Penetration depth δ = λ/(2πk)
2.35275e+09 nm
Abbe number Vd
28.692
Chromatic dispersion dn/dλ
-0.139151 µm⁻¹
Group index ng
1.8768
Group velocity dispersion
282.231 fs²/mm
Dispersion parameter D
-1539.72 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-LAFH3 (HIKARI): J-LAFH3
hikari_j_lafh3 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LAFH3", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lafh3.range_nm)  # (388.865, 2058.09) nm
eps = hikari_j_lafh3.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=3.1015892−0.013347498⁢λ2.0+0.0364605893⁢λ−2.0+0.00326400857⁢λ−4.0−0.000624213023⁢λ−6.0+0.000140210775⁢λ−8.0−1.42247779×10-5⁢λ−10.0+6.58468818×10-7⁢λ−12.0

Valid from 0.388865 to 2.05809 µm.

Coefficients as stored
CiValue
C13.1015892
C2-0.013347498
C32.0
C40.0364605893
C5-2.0
C60.00326400857
C7-4.0
C8-0.000624213023
C9-6.0
C100.000140210775
C11-8.0
C12-1.42247779e-05
C13-10.0
C146.58468818e-07
C15-12.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 2.0541e-07 1.2104e-08 -1.4807e-12 1.0038e-06 1.2969e-09 0.2687
nd
1.795040
Vd
28.692277
density
value: 3610
thermal expansion
value: 6.8e-06, temperature range: 243 343
dPgF
0.0103
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 2.01e-06 K⁻¹ at 633 nm, dn/dT = 4.87e-07 K⁻¹ at 1310 nm, dn/dT = 3.78e-07 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 419 wavelengths, the same grid as the API and the library
J-LAFH3 (HIKARI), J-LAFH3: n and k versus wavelength
λ (µm)nk
0.3888651.8564011.710627e-06
0.391.8556351.534100e-06
0.3904921.8553061.501577e-06
0.3921271.8542281.393633e-06
0.3937681.8531671.285237e-06
0.3954151.8521211.176387e-06
0.397071.8510921.067082e-06
0.3987321.8500789.573193e-07
0.41.8493168.735600e-07
0.4004011.8490788.638636e-07
0.4020761.8480948.233071e-07
0.4037591.8471237.825808e-07
0.4054491.8461677.416841e-07
0.4071451.8452247.006163e-07
0.4088491.8442956.593766e-07
0.410561.8433786.179643e-07
0.4122781.8424755.763787e-07
0.4140041.8415845.346191e-07
0.4157361.8407054.926847e-07
0.4174761.8398394.505748e-07
0.4192231.8389844.082887e-07
0.421.8386083.894900e-07
0.4209781.838143.812228e-07
0.4227391.8373083.663263e-07
0.4245091.8364873.513674e-07
0.4262851.8356773.363458e-07
0.4280691.8348773.212615e-07
0.4298611.8340883.061140e-07
0.431661.8333092.909031e-07
0.4334661.832542.756285e-07
0.435281.8317812.602900e-07
0.4371021.8310322.448874e-07
0.4389311.8302922.294203e-07
0.441.8298652.203800e-07
0.4407681.8295612.175102e-07
0.4426121.828842.106152e-07
0.4444651.8281272.036913e-07
0.4463251.8274241.967384e-07
0.4481931.8267291.897564e-07
0.4500681.8260431.827452e-07
0.4519521.8253651.757047e-07
0.4538431.8246951.686347e-07
0.4557421.8240331.615351e-07
0.457651.823381.544058e-07
0.4595651.8227341.472467e-07
0.461.8225891.456200e-07
0.4614881.8220961.428567e-07
0.4634191.8214651.392702e-07
0.4653591.8208421.356688e-07
0.4673061.8202271.320523e-07
0.4692621.8196181.284207e-07
0.4712261.8190171.247739e-07
0.4731981.8184221.211118e-07
0.4751781.8178351.174344e-07
0.4771671.8172541.137416e-07
0.4791641.816681.100333e-07
0.481.8164421.084800e-07
0.4811691.8161131.070755e-07
0.4831821.8155511.046556e-07
0.4852051.8149971.022257e-07
0.4872351.8144489.978561e-08
0.4892741.8139069.733529e-08
0.4913221.813379.487471e-08
0.4933781.812849.240385e-08
0.4954431.8123158.992264e-08
0.4975161.8117978.743104e-08
0.4995981.8112848.492902e-08
0.51.8111868.444600e-08
0.5016891.8107778.307946e-08
0.5037881.8102758.138061e-08
0.5058971.8097797.967464e-08
0.5080141.8092887.796154e-08
0.510141.8088037.624126e-08
0.5122751.8083227.451379e-08
0.5144191.8078477.277908e-08
0.5165711.8073777.103712e-08
0.5187331.8069126.928787e-08
0.5209041.8064526.753130e-08
0.5230841.8059976.576737e-08
0.5252731.8055476.399607e-08
0.5274711.8051016.221735e-08
0.5296791.804666.043118e-08
0.5318951.8042245.863755e-08
0.5341211.8037925.683640e-08
0.5363571.8033655.502772e-08
0.5386011.8029425.321147e-08
0.5408551.8025245.138762e-08
0.5431191.8021094.955613e-08
0.5453921.8016994.771698e-08
0.5476741.8012944.587014e-08
0.5499661.8008924.401556e-08
0.551.8008864.398800e-08
0.5522681.8004944.373236e-08
0.5545791.8001014.347180e-08
0.55691.7997114.321014e-08
0.559231.7993254.294739e-08
0.561571.7989434.268354e-08
0.5639211.7985654.241859e-08
0.5662811.7981914.215253e-08
0.568651.797824.188535e-08
0.571031.7974534.161706e-08
0.573421.797094.134764e-08
0.575821.796734.107709e-08
0.5782291.7963744.080542e-08
0.5806491.7960214.053260e-08
0.5830791.7956724.025865e-08
0.5855191.7953263.998355e-08
0.587971.7949833.970729e-08
0.590431.7946443.942988e-08
0.5929011.7943083.915131e-08
0.5953821.7939753.887158e-08
0.5978741.7936453.859067e-08
0.61.7933683.835100e-08
0.6003761.7933193.837505e-08
0.6028891.7929953.853565e-08
0.6054121.7926753.869692e-08
0.6079451.7923583.885887e-08
0.610491.7920433.902149e-08
0.6130441.7917323.918480e-08
0.615611.7914233.934879e-08
0.6181861.7911173.951346e-08
0.6207731.7908153.967883e-08
0.6233711.7905153.984489e-08
0.625981.7902174.001164e-08
0.62861.7899234.017909e-08
0.631231.7896314.034724e-08
0.6338721.7893424.051609e-08
0.6365251.7890554.068566e-08
0.6391881.7887714.085593e-08
0.6418631.788494.102691e-08
0.644551.7882114.119861e-08
0.6472471.7879354.137103e-08
0.6499561.7876614.154416e-08
0.651.7876564.154700e-08
0.6526761.7873894.111761e-08
0.6554071.787124.067928e-08
0.658151.7868544.023911e-08
0.6609041.7865893.979710e-08
0.663671.7863283.935323e-08
0.6664471.7860683.890752e-08
0.6692361.7858113.845993e-08
0.6720371.7855553.801047e-08
0.674851.7853033.755914e-08
0.6776741.7850523.710591e-08
0.680511.7848033.665079e-08
0.6833581.7845573.619376e-08
0.6862171.7843133.573482e-08
0.6890891.784073.527395e-08
0.6919731.783833.481116e-08
0.6948691.7835923.434644e-08
0.6977771.7833563.387977e-08
0.71.7831783.352300e-08
0.7006971.7831223.364575e-08
0.7036291.782893.416217e-08
0.7065741.782663.468075e-08
0.7095311.7824323.520150e-08
0.71251.7822053.572443e-08
0.7154821.7819813.624955e-08
0.7184761.7817583.677687e-08
0.7214831.7815383.730639e-08
0.7245021.7813193.783813e-08
0.7275341.7811023.837209e-08
0.7305791.7808863.890829e-08
0.7336371.7806733.944673e-08
0.7367071.7804613.998743e-08
0.739791.780254.053038e-08
0.7428861.7800424.107562e-08
0.7459951.7798354.162313e-08
0.7491171.779634.217293e-08
0.7522521.7794264.272504e-08
0.75541.7792244.327945e-08
0.7585611.7790244.383619e-08
0.7617361.7788254.439525e-08
0.7649231.7786284.495666e-08
0.7681251.7784324.552041e-08
0.7713391.7782384.608652e-08
0.7745671.7780454.665501e-08
0.7778091.7778544.722587e-08
0.7810641.7776644.779912e-08
0.7843321.7774764.837477e-08
0.7876151.7772894.895283e-08
0.7909111.7771034.953330e-08
0.7942211.7769195.011621e-08
0.7975441.7767365.070156e-08
0.81.7766035.113400e-08
0.8008821.7765555.080941e-08
0.8042341.7763754.957614e-08
0.8075991.7761964.833771e-08
0.8109791.7760194.709410e-08
0.8143731.7758424.584529e-08
0.8177811.7756674.459124e-08
0.8212041.7754944.333195e-08
0.824641.7753214.206739e-08
0.8280911.775154.079754e-08
0.8315571.774983.952238e-08
0.8350371.7748123.824188e-08
0.8385311.7746443.695601e-08
0.8420411.7744783.566477e-08
0.8455641.7743123.436813e-08
0.8491031.7741483.306605e-08
0.8526561.7739853.175853e-08
0.8562251.7738233.044554e-08
0.8598081.7736622.912705e-08
0.8634061.7735032.780304e-08
0.867021.7733442.647350e-08
0.8706481.7731862.513839e-08
0.8742921.773032.379769e-08
0.877951.7728742.245138e-08
0.8816251.7727192.109944e-08
0.8853141.7725661.974184e-08
0.8890191.7724131.837855e-08
0.892741.7722621.700957e-08
0.8964761.7721111.563485e-08
0.91.771971.433800e-08
0.9002271.7719611.437790e-08
0.9039951.7718121.503934e-08
0.9077781.7716641.570355e-08
0.9115771.7715171.637053e-08
0.9153921.7713711.704031e-08
0.9192231.7712261.771289e-08
0.9230691.7710821.838829e-08
0.9269321.7709381.906651e-08
0.9308121.7707961.974758e-08
0.9347071.7706542.043149e-08
0.9386191.7705132.111826e-08
0.9425471.7703722.180791e-08
0.9464911.7702332.250044e-08
0.9504521.7700942.319587e-08
0.954431.7699562.389422e-08
0.9584241.7698192.459548e-08
0.9624351.7696832.529968e-08
0.9664631.7695472.600683e-08
0.9705071.7694122.671693e-08
0.9745691.7692782.743001e-08
0.9786471.7691452.814607e-08
0.9827431.7690122.886513e-08
0.9868551.7688792.958720e-08
0.9909851.7687483.031229e-08
0.9951321.7686173.104041e-08
0.9992971.7684873.177158e-08
11.7684653.189500e-08
1.003481.7683573.150638e-08
1.007681.7682283.103727e-08
1.01191.76813.056621e-08
1.016131.7679723.009317e-08
1.020381.7678452.961816e-08
1.024651.7677192.914115e-08
1.028941.7675932.866215e-08
1.033251.7674672.818115e-08
1.037571.7673422.769813e-08
1.041911.7672182.721309e-08
1.046271.7670942.672603e-08
1.050651.7669712.623692e-08
1.055051.7668482.574577e-08
1.059461.7667262.525256e-08
1.06391.7666042.475728e-08
1.068351.7664832.425994e-08
1.072821.7663622.376051e-08
1.077311.7662412.325899e-08
1.081821.7661212.275538e-08
1.086351.7660022.224965e-08
1.090891.7658832.174181e-08
1.095461.7657642.123185e-08
1.100041.7656462.071975e-08
1.104651.7655282.020550e-08
1.109271.765411.968911e-08
1.113911.7652931.917055e-08
1.118571.7651771.864983e-08
1.123251.765061.812692e-08
1.127961.7649441.760183e-08
1.132681.7648281.707454e-08
1.137421.7647131.654504e-08
1.142181.7645981.601333e-08
1.146961.7644831.547939e-08
1.151761.7643691.494321e-08
1.156581.7642551.440480e-08
1.161421.7641411.386413e-08
1.166281.7640281.332119e-08
1.171161.7639141.277599e-08
1.176061.7638011.222850e-08
1.180981.7636891.167872e-08
1.185921.7635761.112665e-08
1.190891.7634641.057226e-08
1.195871.7633521.001555e-08
1.21.763269.554100e-09
1.200871.763249.658585e-09
1.20591.7631281.025962e-08
1.210951.7630171.086316e-08
1.216011.7629061.146923e-08
1.22111.7627951.207784e-08
1.226211.7626841.268899e-08
1.231341.7625731.330271e-08
1.23651.7624631.391899e-08
1.241671.7623521.453785e-08
1.246871.7622421.515930e-08
1.252091.7621321.578335e-08
1.257331.7620221.641001e-08
1.262591.7619121.703929e-08
1.267871.7618021.767121e-08
1.273181.7616931.830577e-08
1.278511.7615831.894299e-08
1.283861.7614731.958288e-08
1.289231.7613642.022544e-08
1.294621.7612552.087069e-08
1.300041.7611452.151864e-08
1.305481.7610362.216931e-08
1.310951.7609272.282269e-08
1.316431.7608182.347882e-08
1.321941.7607082.413768e-08
1.327471.7605992.479931e-08
1.333031.760492.546370e-08
1.338611.7603812.613087e-08
1.344211.7602722.680084e-08
1.349841.7601622.747361e-08
1.355481.7600532.814919e-08
1.361161.7599442.882761e-08
1.366851.7598352.950886e-08
1.372571.7597253.019296e-08
1.378321.7596163.087992e-08
1.384091.7595063.156976e-08
1.389881.7593973.226249e-08
1.395691.7592873.295812e-08
1.41.7592063.347300e-08
1.401541.7591773.409982e-08
1.40741.7590673.649396e-08
1.413291.7589573.889812e-08
1.419211.7588474.131234e-08
1.425141.7587374.373666e-08
1.431111.7586274.617112e-08
1.43711.7585164.861578e-08
1.443111.7584065.107066e-08
1.449151.7582955.353582e-08
1.455221.7581845.601130e-08
1.461311.7580735.849713e-08
1.467421.7579616.099337e-08
1.473561.757856.350005e-08
1.479731.7577386.601723e-08
1.485921.7576266.854494e-08
1.492141.7575147.108323e-08
1.498381.7574017.363214e-08
1.504661.7572897.619171e-08
1.510951.7571767.876200e-08
1.517281.7570638.134305e-08
1.523631.7569498.393489e-08
1.531.7568358.653759e-08
1.53641.7567228.915117e-08
1.542831.7566079.177569e-08
1.549291.7564939.441120e-08
1.555771.7563789.705774e-08
1.562291.7562639.971535e-08
1.568821.7561471.023841e-07
1.575391.7560311.050640e-07
1.581981.7559151.077551e-07
1.58861.7557991.104575e-07
1.595251.7556821.131712e-07
1.61.7555981.151100e-07
1.601931.7555651.162265e-07
1.608631.7554471.201124e-07
1.615361.7553291.240146e-07
1.622121.7552111.279332e-07
1.628911.7550921.318681e-07
1.635731.7549731.358195e-07
1.642571.7548531.397874e-07
1.649451.7547331.437720e-07
1.656351.7546131.477732e-07
1.663281.7544921.517911e-07
1.670241.7543711.558259e-07
1.677231.7542491.598776e-07
1.684251.7541271.639462e-07
1.69131.7540041.680318e-07
1.698381.7538811.721346e-07
1.705491.7537571.762545e-07
1.712621.7536331.803916e-07
1.719791.7535081.845461e-07
1.726991.7533831.887180e-07
1.734211.7532571.929073e-07
1.741471.753131.971141e-07
1.748761.7530042.013386e-07
1.756081.7528762.055807e-07
1.763431.7527482.098406e-07
1.770811.752622.141183e-07
1.778221.752492.184139e-07
1.785661.7523612.227275e-07
1.793131.752232.270591e-07
1.81.752112.310400e-07
1.800641.7520992.314832e-07
1.808171.7519682.367313e-07
1.815741.7518352.420014e-07
1.823341.7517022.472936e-07
1.830971.7515692.526079e-07
1.838631.7514352.579444e-07
1.846331.75132.633032e-07
1.854051.7511642.686845e-07
1.861811.7510282.740883e-07
1.86961.7508912.795147e-07
1.877431.7507532.849639e-07
1.885281.7506152.904358e-07
1.893171.7504762.959306e-07
1.90111.7503363.014485e-07
1.909051.7501953.069894e-07
1.917041.7500543.125535e-07
1.925061.7499113.181409e-07
1.933121.7497683.237517e-07
1.941211.7496253.293859e-07
1.949331.749483.350438e-07
1.957491.7493353.407253e-07
1.965681.7491883.464306e-07
1.973911.7490413.521597e-07
1.982171.7488933.579129e-07
1.990471.7487453.636901e-07
1.99881.7485953.694915e-07
21.7485733.703300e-07
2.007161.7484453.971892e-07
2.015561.7482934.286957e-07
2.0241.7481414.603340e-07
2.032471.7479884.921047e-07
2.040971.7478345.240084e-07
2.049511.7476785.560456e-07
2.058091.7475225.882169e-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
—