Optical constants

Refractive index of J-LAFH3HS (HIKARI)

J-LAFH3HS: 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
4.55649e-08
Permittivity ε1
3.22215
Permittivity ε2
1.63581e-07
Absorption coefficient α
0.00974448 cm⁻¹
Penetration depth δ = λ/(2πk)
2.05244e+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-LAFH3HS (HIKARI): J-LAFH3HS
hikari_j_lafh3hs = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LAFH3HS", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lafh3hs.range_nm)  # (388.865, 2058.09) nm
eps = hikari_j_lafh3hs.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 -1.48e-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

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-LAFH3HS (HIKARI), J-LAFH3HS: n and k versus wavelength
λ (µm)nk
0.3888651.8564019.180840e-07
0.391.8556358.111500e-07
0.3904921.8553067.930371e-07
0.3921271.8542287.329205e-07
0.3937681.8531676.725523e-07
0.3954151.8521216.119314e-07
0.397071.8510925.510568e-07
0.3987321.8500784.899275e-07
0.41.8493164.432800e-07
0.4004011.8490784.392592e-07
0.4020761.8480944.224415e-07
0.4037591.8471234.055535e-07
0.4054491.8461673.885948e-07
0.4071451.8452243.715652e-07
0.4088491.8442953.544642e-07
0.410561.8433783.372918e-07
0.4122781.8424753.200474e-07
0.4140041.8415843.027309e-07
0.4157361.8407052.853419e-07
0.4174761.8398392.678801e-07
0.4192231.8389842.503453e-07
0.421.8386082.425500e-07
0.4209781.838142.389329e-07
0.4227391.8373082.324153e-07
0.4245091.8364872.258704e-07
0.4262851.8356772.192981e-07
0.4280691.8348772.126983e-07
0.4298611.8340882.060708e-07
0.431661.8333091.994157e-07
0.4334661.832541.927327e-07
0.435281.8317811.860217e-07
0.4371021.8310321.792826e-07
0.4389311.8302921.725153e-07
0.441.8298651.685600e-07
0.4407681.8295611.669501e-07
0.4426121.828841.630820e-07
0.4444651.8281271.591977e-07
0.4463251.8274241.552972e-07
0.4481931.8267291.513803e-07
0.4500681.8260431.474471e-07
0.4519521.8253651.434974e-07
0.4538431.8246951.395311e-07
0.4557421.8240331.355483e-07
0.457651.823381.315488e-07
0.4595651.8227341.275326e-07
0.461.8225891.266200e-07
0.4614881.8220961.249779e-07
0.4634191.8214651.228467e-07
0.4653591.8208421.207066e-07
0.4673061.8202271.185576e-07
0.4692621.8196181.163995e-07
0.4712261.8190171.142324e-07
0.4731981.8184221.120563e-07
0.4751781.8178351.098710e-07
0.4771671.8172541.076766e-07
0.4791641.816681.054730e-07
0.481.8164421.045500e-07
0.4811691.8161131.036127e-07
0.4831821.8155511.019980e-07
0.4852051.8149971.003765e-07
0.4872351.8144489.874819e-08
0.4892741.8139069.711308e-08
0.4913221.813379.547113e-08
0.4933781.812849.382231e-08
0.4954431.8123159.216658e-08
0.4975161.8117979.050393e-08
0.4995981.8112848.883432e-08
0.51.8111868.851200e-08
0.5016891.8107778.730708e-08
0.5037881.8102758.580915e-08
0.5058971.8097798.430495e-08
0.5080141.8092888.279446e-08
0.510141.8088038.127764e-08
0.5122751.8083227.975448e-08
0.5144191.8078477.822494e-08
0.5165711.8073777.668900e-08
0.5187331.8069127.514663e-08
0.5209041.8064527.359781e-08
0.5230841.8059977.204251e-08
0.5252731.8055477.048070e-08
0.5274711.8051016.891235e-08
0.5296791.804666.733743e-08
0.5318951.8042246.575593e-08
0.5341211.8037926.416781e-08
0.5363571.8033656.257304e-08
0.5386011.8029426.097160e-08
0.5408551.8025245.936346e-08
0.5431191.8021095.774859e-08
0.5453921.8016995.612695e-08
0.5476741.8012945.449854e-08
0.5499661.8008925.286330e-08
0.551.8008865.283900e-08
0.5522681.8004945.240033e-08
0.5545791.8001015.195320e-08
0.55691.7997115.150421e-08
0.559231.7993255.105333e-08
0.561571.7989435.060057e-08
0.5639211.7985655.014592e-08
0.5662811.7981914.968936e-08
0.568651.797824.923089e-08
0.571031.7974534.877050e-08
0.573421.797094.830818e-08
0.575821.796734.784393e-08
0.5782291.7963744.737774e-08
0.5806491.7960214.690960e-08
0.5830791.7956724.643949e-08
0.5855191.7953264.596742e-08
0.587971.7949834.549338e-08
0.590431.7946444.501735e-08
0.5929011.7943084.453933e-08
0.5953821.7939754.405930e-08
0.5978741.7936454.357727e-08
0.61.7933684.316600e-08
0.6003761.7933194.307544e-08
0.6028891.7929954.247057e-08
0.6054121.7926754.186318e-08
0.6079451.7923584.125324e-08
0.610491.7920434.064074e-08
0.6130441.7917324.002569e-08
0.615611.7914233.940806e-08
0.6181861.7911173.878784e-08
0.6207731.7908153.816503e-08
0.6233711.7905153.753962e-08
0.625981.7902173.691158e-08
0.62861.7899233.628092e-08
0.631231.7896313.564762e-08
0.6338721.7893423.501167e-08
0.6365251.7890553.437306e-08
0.6391881.7887713.373177e-08
0.6418631.788493.308780e-08
0.644551.7882113.244114e-08
0.6472471.7879353.179177e-08
0.6499561.7876613.113968e-08
0.651.7876563.112900e-08
0.6526761.7873893.005997e-08
0.6554071.787122.896867e-08
0.658151.7868542.787280e-08
0.6609041.7865892.677234e-08
0.663671.7863282.566728e-08
0.6664471.7860682.455759e-08
0.6692361.7858112.344326e-08
0.6720371.7855552.232427e-08
0.674851.7853032.120059e-08
0.6776741.7850522.007221e-08
0.680511.7848031.893911e-08
0.6833581.7845571.780127e-08
0.6862171.7843131.665866e-08
0.6890891.784071.551128e-08
0.6919731.783831.435909e-08
0.6948691.7835921.320208e-08
0.6977771.7833561.204022e-08
0.71.7831781.115200e-08
0.7006971.7831221.111866e-08
0.7036291.782891.097842e-08
0.7065741.782661.083759e-08
0.7095311.7824321.069617e-08
0.71251.7822051.055416e-08
0.7154821.7819811.041155e-08
0.7184761.7817581.026835e-08
0.7214831.7815381.012455e-08
0.7245021.7813199.980146e-09
0.7275341.7811029.835138e-09
0.7305791.7808869.689523e-09
0.7336371.7806739.543299e-09
0.7367071.7804619.396463e-09
0.739791.780259.249012e-09
0.7428861.7800429.100944e-09
0.7459951.7798358.952257e-09
0.7491171.779638.802948e-09
0.7522521.7794268.653013e-09
0.75541.7792248.502451e-09
0.7585611.7790248.351259e-09
0.7617361.7788258.199435e-09
0.7649231.7786288.046975e-09
0.7681251.7784327.893876e-09
0.7713391.7782387.740138e-09
0.7745671.7780457.585755e-09
0.7778091.7778547.430727e-09
0.7810641.7776647.275050e-09
0.7843321.7774767.118722e-09
0.7876151.7772896.961739e-09
0.7909111.7771036.804099e-09
0.7942211.7769196.645800e-09
0.7975441.7767366.486838e-09
0.81.7766036.369400e-09
0.8008821.7765556.376424e-09
0.8042341.7763756.403109e-09
0.8075991.7761966.429907e-09
0.8109791.7760196.456816e-09
0.8143731.7758426.483838e-09
0.8177811.7756676.510974e-09
0.8212041.7754946.538222e-09
0.824641.7753216.565585e-09
0.8280911.775156.593063e-09
0.8315571.774986.620655e-09
0.8350371.7748126.648363e-09
0.8385311.7746446.676186e-09
0.8420411.7744786.704127e-09
0.8455641.7743126.732184e-09
0.8491031.7741486.760358e-09
0.8526561.7739856.788651e-09
0.8562251.7738236.817062e-09
0.8598081.7736626.845591e-09
0.8634061.7735036.874240e-09
0.867021.7733446.903009e-09
0.8706481.7731866.931899e-09
0.8742921.773036.960909e-09
0.877951.7728746.990041e-09
0.8816251.7727197.019295e-09
0.8853141.7725667.048671e-09
0.8890191.7724137.078170e-09
0.892741.7722627.107792e-09
0.8964761.7721117.137538e-09
0.91.771977.165600e-09
0.9002271.7719617.167409e-09
0.9039951.7718127.197401e-09
0.9077781.7716647.227519e-09
0.9115771.7715177.257763e-09
0.9153921.7713717.288133e-09
0.9192231.7712267.318630e-09
0.9230691.7710827.349255e-09
0.9269321.7709387.380008e-09
0.9308121.7707967.410890e-09
0.9347071.7706547.441901e-09
0.9386191.7705137.473042e-09
0.9425471.7703727.504314e-09
0.9464911.7702337.535716e-09
0.9504521.7700947.567249e-09
0.954431.7699567.598915e-09
0.9584241.7698197.630713e-09
0.9624351.7696837.662644e-09
0.9664631.7695477.694708e-09
0.9705071.7694127.726907e-09
0.9745691.7692787.759241e-09
0.9786471.7691457.791710e-09
0.9827431.7690127.824314e-09
0.9868551.7688797.857056e-09
0.9909851.7687487.889934e-09
0.9951321.7686177.922950e-09
0.9992971.7684877.956104e-09
11.7684657.961700e-09
1.003481.7683577.989400e-09
1.007681.7682288.022836e-09
1.01191.76818.056413e-09
1.016131.7679728.090129e-09
1.020381.7678458.123987e-09
1.024651.7677198.157987e-09
1.028941.7675938.192129e-09
1.033251.7674678.226413e-09
1.037571.7673428.260842e-09
1.041911.7672188.295414e-09
1.046271.7670948.330131e-09
1.050651.7669718.364993e-09
1.055051.7668488.400001e-09
1.059461.7667268.435156e-09
1.06391.7666048.470458e-09
1.068351.7664838.505907e-09
1.072821.7663628.541505e-09
1.077311.7662418.577252e-09
1.081821.7661218.613148e-09
1.086351.7660028.649195e-09
1.090891.7658838.685392e-09
1.095461.7657648.721741e-09
1.100041.7656468.758242e-09
1.104651.7655288.794896e-09
1.109271.765418.831703e-09
1.113911.7652938.868665e-09
1.118571.7651778.905781e-09
1.123251.765068.943052e-09
1.127961.7649448.980479e-09
1.132681.7648289.018063e-09
1.137421.7647139.055804e-09
1.142181.7645989.093703e-09
1.146961.7644839.131761e-09
1.151761.7643699.169978e-09
1.156581.7642559.208355e-09
1.161421.7641419.246893e-09
1.166281.7640289.285592e-09
1.171161.7639149.324452e-09
1.176061.7638019.363476e-09
1.180981.7636899.402662e-09
1.185921.7635769.442013e-09
1.190891.7634649.481529e-09
1.195871.7633529.521209e-09
1.21.763269.554100e-09
1.200871.763249.854228e-09
1.20591.7631281.158066e-08
1.210951.7630171.331431e-08
1.216011.7629061.505523e-08
1.22111.7627951.680342e-08
1.226211.7626841.855893e-08
1.231341.7625732.032179e-08
1.23651.7624632.209203e-08
1.241671.7623522.386968e-08
1.246871.7622422.565476e-08
1.252091.7621322.744732e-08
1.257331.7620222.924737e-08
1.262591.7619123.105496e-08
1.267871.7618023.287012e-08
1.273181.7616933.469287e-08
1.278511.7615833.652325e-08
1.283861.7614733.836128e-08
1.289231.7613644.020702e-08
1.294621.7612554.206047e-08
1.300041.7611454.392168e-08
1.305481.7610364.579068e-08
1.310951.7609274.766750e-08
1.316431.7608184.955218e-08
1.321941.7607085.144475e-08
1.327471.7605995.334523e-08
1.333031.760495.525367e-08
1.338611.7603815.717009e-08
1.344211.7602725.909454e-08
1.349841.7601626.102703e-08
1.355481.7600536.296762e-08
1.361161.7599446.491633e-08
1.366851.7598356.687319e-08
1.372571.7597256.883824e-08
1.378321.7596167.081151e-08
1.384091.7595067.279304e-08
1.389881.7593977.478287e-08
1.395691.7592877.678102e-08
1.41.7592067.826000e-08
1.401541.7591777.844435e-08
1.40741.7590677.914849e-08
1.413291.7589577.985556e-08
1.419211.7588478.056560e-08
1.425141.7587378.127861e-08
1.431111.7586278.199460e-08
1.43711.7585168.271359e-08
1.443111.7584068.343559e-08
1.449151.7582958.416061e-08
1.455221.7581848.488867e-08
1.461311.7580738.561977e-08
1.467421.7579618.635393e-08
1.473561.757858.709116e-08
1.479731.7577388.783148e-08
1.485921.7576268.857490e-08
1.492141.7575148.932142e-08
1.498381.7574019.007108e-08
1.504661.7572899.082387e-08
1.510951.7571769.157981e-08
1.517281.7570639.233891e-08
1.523631.7569499.310119e-08
1.531.7568359.386666e-08
1.53641.7567229.463533e-08
1.542831.7566079.540722e-08
1.549291.7564939.618234e-08
1.555771.7563789.696071e-08
1.562291.7562639.774233e-08
1.568821.7561479.852722e-08
1.575391.7560319.931540e-08
1.581981.7559151.001069e-07
1.58861.7557991.009017e-07
1.595251.7556821.016998e-07
1.61.7555981.022700e-07
1.601931.7555651.026715e-07
1.608631.7554471.040689e-07
1.615361.7553291.054722e-07
1.622121.7552111.068814e-07
1.628911.7550921.082964e-07
1.635731.7549731.097174e-07
1.642571.7548531.111443e-07
1.649451.7547331.125772e-07
1.656351.7546131.140161e-07
1.663281.7544921.154610e-07
1.670241.7543711.169120e-07
1.677231.7542491.183690e-07
1.684251.7541271.198322e-07
1.69131.7540041.213014e-07
1.698381.7538811.227768e-07
1.705491.7537571.242584e-07
1.712621.7536331.257462e-07
1.719791.7535081.272402e-07
1.726991.7533831.287404e-07
1.734211.7532571.302470e-07
1.741471.753131.317598e-07
1.748761.7530041.332790e-07
1.756081.7528761.348045e-07
1.763431.7527481.363364e-07
1.770811.752621.378747e-07
1.778221.752491.394195e-07
1.785661.7523611.409707e-07
1.793131.752231.425284e-07
1.81.752111.439600e-07
1.800641.7520991.446803e-07
1.808171.7519681.532094e-07
1.815741.7518351.617742e-07
1.823341.7517021.703748e-07
1.830971.7515691.790114e-07
1.838631.7514351.876842e-07
1.846331.75131.963933e-07
1.854051.7511642.051388e-07
1.861811.7510282.139209e-07
1.86961.7508912.227397e-07
1.877431.7507532.315955e-07
1.885281.7506152.404883e-07
1.893171.7504762.494184e-07
1.90111.7503362.583858e-07
1.909051.7501952.673907e-07
1.917041.7500542.764333e-07
1.925061.7499112.855138e-07
1.933121.7497682.946323e-07
1.941211.7496253.037889e-07
1.949331.749483.129838e-07
1.957491.7493353.222173e-07
1.965681.7491883.314893e-07
1.973911.7490413.408002e-07
1.982171.7488933.501501e-07
1.990471.7487453.595390e-07
1.99881.7485953.689673e-07
21.7485733.703300e-07
2.007161.7484454.025598e-07
2.015561.7482934.403662e-07
2.0241.7481414.783307e-07
2.032471.7479885.164542e-07
2.040971.7478345.547371e-07
2.049511.7476785.931803e-07
2.058091.7475226.317844e-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
—