Optical constants

Refractive index of J-LASFH17HS (HIKARI)

J-LASFH17HS: 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
2.00068
Extinction coefficient k
8.09500e-08
Permittivity ε1
4.00273
Permittivity ε2
3.23910e-07
Absorption coefficient α
0.0173119 cm⁻¹
Penetration depth δ = λ/(2πk)
1.15527e+09 nm
Abbe number Vd
25.456
Chromatic dispersion dn/dλ
-0.196726 µm⁻¹
Group index ng
2.11628
Group velocity dispersion
406.553 fs²/mm
Dispersion parameter D
-2217.96 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-LASFH17HS (HIKARI): J-LASFH17HS
mat = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASFH17HS", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(mat.range_nm)  # (388.865, 2058.09) nm
eps = mat.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=3.81071676−0.0163737936⁢λ2.0+0.0583672875⁢λ−2.0+0.00412726108⁢λ−4.0−0.000552229126⁢λ−6.0+0.000141302816⁢λ−8.0−1.45517862×10-5⁢λ−10.0+7.444268×10-7⁢λ−12.0

Valid from 0.388865 to 2.05809 µm.

Coefficients as stored
CiValue
C13.81071676
C2-0.0163737936
C32.0
C40.0583672875
C5-2.0
C60.00412726108
C7-4.0
C8-0.000552229126
C9-6.0
C100.000141302816
C11-8.0
C12-1.45517862e-05
C13-10.0
C147.444268e-07
C15-12.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 2.4887e-07 1.1853e-08 2.8854e-12 1.1578e-06 1.587e-09 0.28102
nd
2.000690
Vd
25.455728
density
value: 4690
thermal expansion
value: 6.8e-06, temperature range: 243 343
dPgF
0.0123
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 2.87e-06 K⁻¹ at 633 nm, dn/dT = 6.89e-07 K⁻¹ at 1310 nm, dn/dT = 5.36e-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-LASFH17HS (HIKARI), J-LASFH17HS: n and k versus wavelength
λ (µm)nk
0.3888652.0888942.766921e-06
0.392.0877782.478200e-06
0.3904922.0872982.428594e-06
0.3921272.0857282.263950e-06
0.3937682.0841822.098617e-06
0.3954152.082661.932592e-06
0.397072.0811621.765873e-06
0.3987322.0796871.598455e-06
0.42.0785811.470700e-06
0.4004012.0782341.455348e-06
0.4020762.0768041.391135e-06
0.4037592.0753941.326654e-06
0.4054492.0740061.261903e-06
0.4071452.0726371.196881e-06
0.4088492.0712891.131587e-06
0.410562.069961.066020e-06
0.4122782.0686511.000178e-06
0.4140042.067369.340604e-07
0.4157362.0660878.676664e-07
0.4174762.0648328.009945e-07
0.4192232.0635957.340436e-07
0.422.0630527.042800e-07
0.4209782.0623756.917319e-07
0.4227392.0611726.691214e-07
0.4245092.0599856.464164e-07
0.4262852.0588146.236163e-07
0.4280692.0576596.007208e-07
0.4298612.056525.777295e-07
0.431662.0553955.546419e-07
0.4334662.0542865.314578e-07
0.435282.0531915.081766e-07
0.4371022.0521114.847980e-07
0.4389312.0510444.613216e-07
0.442.050434.476000e-07
0.4407682.0499924.415249e-07
0.4426122.0489534.269287e-07
0.4444652.0479274.122715e-07
0.4463252.0469153.975529e-07
0.4481932.0459153.827727e-07
0.4500682.0449283.679307e-07
0.4519522.0439533.530265e-07
0.4538432.042993.380600e-07
0.4557422.0420393.230308e-07
0.457652.04113.079388e-07
0.4595652.0401732.927836e-07
0.462.0399642.893400e-07
0.4614882.0392572.838892e-07
0.4634192.0383522.768149e-07
0.4653592.0374582.697110e-07
0.4673062.0365752.625773e-07
0.4692622.0357022.554138e-07
0.4712262.034842.482203e-07
0.4731982.0339882.409967e-07
0.4751782.0331472.337428e-07
0.4771672.0323152.264587e-07
0.4791642.0314932.191440e-07
0.482.0311522.160800e-07
0.4811692.030682.131866e-07
0.4831822.0298772.082018e-07
0.4852052.0290842.031962e-07
0.4872352.0282991.981696e-07
0.4892742.0275241.931219e-07
0.4913222.0267571.880531e-07
0.4933782.0261.829631e-07
0.4954432.025251.778519e-07
0.4975162.024511.727192e-07
0.4995982.0237771.675650e-07
0.52.0236371.665700e-07
0.5016892.0230531.640814e-07
0.5037882.0223371.609875e-07
0.5058972.0216291.578808e-07
0.5080142.0209291.547610e-07
0.510142.0202371.516282e-07
0.5122752.0195521.484822e-07
0.5144192.0188751.453231e-07
0.5165712.0182051.421508e-07
0.5187332.0175431.389652e-07
0.5209042.0168871.357662e-07
0.5230842.0162391.325539e-07
0.5252732.0155981.293282e-07
0.5274712.0149641.260889e-07
0.5296792.0143361.228361e-07
0.5318952.0137161.195696e-07
0.5341212.0131021.162895e-07
0.5363572.0124941.129957e-07
0.5386012.0118931.096881e-07
0.5408552.0112981.063666e-07
0.5431192.0107091.030313e-07
0.5453922.0101279.968194e-08
0.5476742.0095519.631860e-08
0.5499662.008989.294120e-08
0.552.0089729.289100e-08
0.5522682.0084169.217089e-08
0.5545792.0078589.143690e-08
0.55692.0073059.069983e-08
0.559232.0067588.995969e-08
0.561572.0062168.921644e-08
0.5639212.005688.847009e-08
0.5662812.005158.772061e-08
0.568652.0046258.696800e-08
0.571032.0041058.621223e-08
0.573422.0035918.545330e-08
0.575822.0030818.469120e-08
0.5782292.0025778.392591e-08
0.5806492.0020788.315741e-08
0.5830792.0015848.238570e-08
0.5855192.0010948.161076e-08
0.587972.000618.083258e-08
0.590432.000138.005114e-08
0.5929011.9996557.926643e-08
0.5953821.9991857.847843e-08
0.5978741.9987197.768714e-08
0.61.9983277.701200e-08
0.6003761.9982587.698127e-08
0.6028891.9978027.677599e-08
0.6054121.997357.656986e-08
0.6079451.9969027.636286e-08
0.610491.9964587.615500e-08
0.6130441.9960197.594627e-08
0.615611.9955847.573667e-08
0.6181861.9951537.552618e-08
0.6207731.9947277.531482e-08
0.6233711.9943047.510257e-08
0.625981.9938857.488944e-08
0.62861.9934717.467541e-08
0.631231.993067.446049e-08
0.6338721.9926537.424466e-08
0.6365251.992257.402794e-08
0.6391881.9918517.381030e-08
0.6418631.9914557.359176e-08
0.644551.9910637.337230e-08
0.6472471.9906757.315192e-08
0.6499561.990297.293062e-08
0.651.9902847.292700e-08
0.6526761.9899097.262315e-08
0.6554071.9895317.231298e-08
0.658151.9891577.200150e-08
0.6609041.9887867.168872e-08
0.663671.9884197.137463e-08
0.6664471.9880557.105923e-08
0.6692361.9876947.074251e-08
0.6720371.9873377.042446e-08
0.674851.9869827.010508e-08
0.6776741.9866316.978436e-08
0.680511.9862836.946231e-08
0.6833581.9859386.913890e-08
0.6862171.9855976.881414e-08
0.6890891.9852586.848802e-08
0.6919731.9849226.816054e-08
0.6948691.9845896.783169e-08
0.6977771.9842596.750146e-08
0.71.984016.724900e-08
0.7006971.9839326.722623e-08
0.7036291.9836086.713043e-08
0.7065741.9832876.703423e-08
0.7095311.9829686.693762e-08
0.71251.9826536.684061e-08
0.7154821.982346.674320e-08
0.7184761.9820296.664538e-08
0.7214831.9817226.654715e-08
0.7245021.9814166.644850e-08
0.7275341.9811146.634945e-08
0.7305791.9808146.624998e-08
0.7336371.9805176.615009e-08
0.7367071.9802226.604979e-08
0.739791.9799296.594907e-08
0.7428861.9796396.584792e-08
0.7459951.9793526.574635e-08
0.7491171.9790676.564436e-08
0.7522521.9787846.554194e-08
0.75541.9785046.543909e-08
0.7585611.9782256.533581e-08
0.7617361.9779496.523210e-08
0.7649231.9776766.512795e-08
0.7681251.9774046.502337e-08
0.7713391.9771356.491835e-08
0.7745671.9768686.481289e-08
0.7778091.9766036.470699e-08
0.7810641.9763416.460065e-08
0.7843321.976086.449386e-08
0.7876151.9758216.438663e-08
0.7909111.9755656.427894e-08
0.7942211.975316.417081e-08
0.7975441.9750586.406222e-08
0.81.9748736.398200e-08
0.8008821.9748076.411640e-08
0.8042341.9745596.462706e-08
0.8075991.9743126.513985e-08
0.8109791.9740676.565479e-08
0.8143731.9738246.617188e-08
0.8177811.9735836.669114e-08
0.8212041.9733446.721257e-08
0.824641.9731076.773618e-08
0.8280911.9728716.826198e-08
0.8315571.9726376.878999e-08
0.8350371.9724056.932020e-08
0.8385311.9721756.985263e-08
0.8420411.9719467.038729e-08
0.8455641.9717197.092419e-08
0.8491031.9714947.146334e-08
0.8526561.971277.200474e-08
0.8562251.9710487.254840e-08
0.8598081.9708287.309435e-08
0.8634061.9706097.364257e-08
0.867021.9703917.419309e-08
0.8706481.9701767.474592e-08
0.8742921.9699627.530106e-08
0.877951.9697497.585852e-08
0.8816251.9695387.641831e-08
0.8853141.9693287.698045e-08
0.8890191.969127.754494e-08
0.892741.9689137.811179e-08
0.8964761.9687077.868102e-08
0.91.9685157.921800e-08
0.9002271.9685037.931129e-08
0.9039951.96838.085788e-08
0.9077781.9680998.241094e-08
0.9115771.9678998.397050e-08
0.9153921.96778.553658e-08
0.9192231.9675038.710922e-08
0.9230691.9673078.868844e-08
0.9269321.9671129.027427e-08
0.9308121.9669199.186674e-08
0.9347071.9667269.346587e-08
0.9386191.9665359.507169e-08
0.9425471.9663459.668423e-08
0.9464911.9661579.830352e-08
0.9504521.9659699.992959e-08
0.954431.9657831.015625e-07
0.9584241.9655981.032022e-07
0.9624351.9654131.048487e-07
0.9664631.965231.065022e-07
0.9705071.9650481.081626e-07
0.9745691.9648681.098299e-07
0.9786471.9646881.115042e-07
0.9827431.9645091.131855e-07
0.9868551.9643311.148739e-07
0.9909851.9641551.165693e-07
0.9951321.9639791.182718e-07
0.9992971.9638041.199814e-07
11.9637751.202700e-07
1.003481.9636311.201832e-07
1.007681.9634581.200784e-07
1.01191.9632861.199732e-07
1.016131.9631151.198675e-07
1.020381.9629451.197615e-07
1.024651.9627761.196549e-07
1.028941.9626081.195479e-07
1.033251.9624411.194405e-07
1.037571.9622741.193326e-07
1.041911.9621091.192243e-07
1.046271.9619441.191155e-07
1.050651.961781.190062e-07
1.055051.9616171.188965e-07
1.059461.9614541.187864e-07
1.06391.9612931.186757e-07
1.068351.9611321.185647e-07
1.072821.9609721.184531e-07
1.077311.9608131.183411e-07
1.081821.9606541.182286e-07
1.086351.9604961.181156e-07
1.090891.9603391.180022e-07
1.095461.9601821.178883e-07
1.100041.9600271.177739e-07
1.104651.9598711.176591e-07
1.109271.9597171.175437e-07
1.113911.9595631.174279e-07
1.118571.959411.173116e-07
1.123251.9592571.171948e-07
1.127961.9591051.170775e-07
1.132681.9589531.169597e-07
1.137421.9588031.168415e-07
1.142181.9586521.167227e-07
1.146961.9585021.166035e-07
1.151761.9583531.164837e-07
1.156581.9582041.163634e-07
1.161421.9580561.162427e-07
1.166281.9579081.161214e-07
1.171161.9577611.159996e-07
1.176061.9576141.158773e-07
1.180981.9574681.157546e-07
1.185921.9573221.156312e-07
1.190891.9571771.155074e-07
1.195871.9570321.153831e-07
1.21.9569131.152800e-07
1.200871.9568881.151673e-07
1.20591.9567431.145191e-07
1.210951.95661.138683e-07
1.216011.9564561.132147e-07
1.22111.9563131.125583e-07
1.226211.9561711.118992e-07
1.231341.9560291.112374e-07
1.23651.9558871.105727e-07
1.241671.9557451.099053e-07
1.246871.9556041.092352e-07
1.252091.9554631.085622e-07
1.257331.9553221.078863e-07
1.262591.9551821.072077e-07
1.267871.9550421.065262e-07
1.273181.9549021.058419e-07
1.278511.9547631.051547e-07
1.283861.9546231.044646e-07
1.289231.9544841.037716e-07
1.294621.9543461.030758e-07
1.300041.9542071.023770e-07
1.305481.9540681.016753e-07
1.310951.953931.009707e-07
1.316431.9537921.002631e-07
1.321941.9536549.955254e-08
1.327471.9535179.883902e-08
1.333031.9533799.812252e-08
1.338611.9532429.740301e-08
1.344211.9531049.668050e-08
1.349841.9529679.595496e-08
1.355481.952839.522638e-08
1.361161.9526939.449476e-08
1.366851.9525569.376007e-08
1.372571.9524199.302231e-08
1.378321.9522839.228147e-08
1.384091.9521469.153752e-08
1.389881.9520099.079046e-08
1.395691.9518739.004027e-08
1.41.9517728.948500e-08
1.401541.9517369.047414e-08
1.40741.9515999.425214e-08
1.413291.9514639.804596e-08
1.419211.9513261.018556e-07
1.425141.951191.056813e-07
1.431111.9510531.095229e-07
1.43711.9509161.133806e-07
1.443111.950781.172545e-07
1.449151.9506431.211446e-07
1.455221.9505061.250509e-07
1.461311.9503691.289736e-07
1.467421.9502321.329128e-07
1.473561.9500951.368684e-07
1.479731.9499581.408405e-07
1.485921.949821.448293e-07
1.492141.9496831.488348e-07
1.498381.9495451.528570e-07
1.504661.9494081.568961e-07
1.510951.949271.609521e-07
1.517281.9491321.650250e-07
1.523631.9489931.691150e-07
1.531.9488551.732221e-07
1.53641.9487161.773464e-07
1.542831.9485771.814879e-07
1.549291.9484381.856468e-07
1.555771.9482991.898231e-07
1.562291.9481591.940169e-07
1.568821.948021.982282e-07
1.575391.947882.024572e-07
1.581981.9477392.067038e-07
1.58861.9475992.109682e-07
1.595251.9474582.152505e-07
1.61.9473572.183100e-07
1.601931.9473162.195587e-07
1.608631.9471752.239049e-07
1.615361.9470332.282692e-07
1.622121.9468912.326518e-07
1.628911.9467482.370528e-07
1.635731.9466052.414722e-07
1.642571.9464622.459101e-07
1.649451.9463182.503665e-07
1.656351.9461742.548416e-07
1.663281.946032.593354e-07
1.670241.9458852.638480e-07
1.677231.945742.683796e-07
1.684251.9455942.729300e-07
1.69131.9454482.774996e-07
1.698381.9453012.820882e-07
1.705491.9451542.866960e-07
1.712621.9450072.913232e-07
1.719791.9448592.959697e-07
1.726991.944713.006356e-07
1.734211.9445613.053211e-07
1.741471.9444113.100262e-07
1.748761.9442613.147509e-07
1.756081.9441113.194955e-07
1.763431.943963.242599e-07
1.770811.9438083.290442e-07
1.778221.9436563.338485e-07
1.785661.9435033.386730e-07
1.793131.9433493.435177e-07
1.81.9432083.479700e-07
1.800641.9431953.485098e-07
1.808171.9430413.549018e-07
1.815741.9428853.613206e-07
1.823341.9427293.677662e-07
1.830971.9425733.742388e-07
1.838631.9424153.807385e-07
1.846331.9422573.872654e-07
1.854051.9420993.938196e-07
1.861811.941944.004012e-07
1.86961.9417794.070104e-07
1.877431.9416194.136473e-07
1.885281.9414574.203119e-07
1.893171.9412954.270044e-07
1.90111.9411324.337249e-07
1.909051.9409684.404735e-07
1.917041.9408044.472504e-07
1.925061.9406394.540556e-07
1.933121.9404724.608893e-07
1.941211.9403064.677516e-07
1.949331.9401384.746427e-07
1.957491.9399694.815626e-07
1.965681.93984.885114e-07
1.973911.9396294.954893e-07
1.982171.9394585.024964e-07
1.990471.9392865.095328e-07
1.99881.9391135.165987e-07
21.9390885.176200e-07
2.007161.9389395.352099e-07
2.015561.9387655.558432e-07
2.0241.9385895.765629e-07
2.032471.9384125.973692e-07
2.040971.9382356.182627e-07
2.049511.9380566.392436e-07
2.058091.9378766.603123e-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
—