Optical constants

Refractive index of J-LAF016 (HIKARI)

J-LAF016: 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
1.801
Extinction coefficient k
3.28468e-08
Permittivity ε1
3.24359
Permittivity ε2
1.18314e-07
Absorption coefficient α
0.0070246 cm⁻¹
Penetration depth δ = λ/(2πk)
2.84714e+09 nm
Abbe number Vd
34.923
Chromatic dispersion dn/dλ
-0.11623 µm⁻¹
Group index ng
1.86929
Group velocity dispersion
226.089 fs²/mm
Dispersion parameter D
-1233.43 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-LAF016 (HIKARI): J-LAF016
hikari_j_laf016 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LAF016", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_laf016.range_nm)  # (388.865, 2058.09) nm
eps = hikari_j_laf016.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=3.13977744−0.0136971027⁢λ2.0−0.000162026634⁢λ4.0+0.0348771551⁢λ−2.0+0.000587991861⁢λ−4.0+0.000135087453⁢λ−6.0−1.23042975×10-5⁢λ−8.0+9.55959268×10-7⁢λ−10.0

Valid from 0.388865 to 2.05809 µm.

Coefficients as stored
CiValue
C13.13977744
C2-0.0136971027
C32.0
C4-0.000162026634
C54.0
C60.0348771551
C7-2.0
C80.000587991861
C9-4.0
C100.000135087453
C11-6.0
C12-1.23042975e-05
C13-8.0
C149.55959268e-07
C15-10.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 3.8807e-06 1.5384e-08 -1.2533e-12 8.1523e-07 8.7452e-10 0.25613
nd
1.801000
Vd
34.923057
density
value: 3630
thermal expansion
value: 6.2e-06, temperature range: 243 343
dPgF
-0.0004
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 3.91e-06 K⁻¹ at 633 nm, dn/dT = 2.64e-06 K⁻¹ at 1310 nm, dn/dT = 2.54e-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 419 wavelengths, the same grid as the API and the library
J-LAF016 (HIKARI), J-LAF016: n and k versus wavelength
λ (µm)nk
0.3888651.849786.540099e-07
0.391.8492046.159000e-07
0.3904921.8489566.056099e-07
0.3921271.8481425.714572e-07
0.3937681.8473395.371615e-07
0.3954151.8465475.027223e-07
0.397071.8457644.681389e-07
0.3987321.8449924.334108e-07
0.41.8444124.069100e-07
0.4004011.844234.036898e-07
0.4020761.8434773.902210e-07
0.4037591.8427343.766957e-07
0.4054491.8423.631139e-07
0.4071451.8412763.494753e-07
0.4088491.840563.357795e-07
0.410561.8398543.220265e-07
0.4122781.8391563.082159e-07
0.4140041.8384662.943475e-07
0.4157361.8377852.804210e-07
0.4174761.8371132.664363e-07
0.4192231.8364482.523931e-07
0.421.8361562.461500e-07
0.4209781.8357912.423569e-07
0.4227391.8351422.355222e-07
0.4245091.8345012.286588e-07
0.4262851.8338682.217667e-07
0.4280691.8332422.148458e-07
0.4298611.8326232.078959e-07
0.431661.8320112.009170e-07
0.4334661.8314071.939088e-07
0.435281.8308091.868713e-07
0.4371021.8302191.798043e-07
0.4389311.8296351.727078e-07
0.441.8292981.685600e-07
0.4407681.8290581.668050e-07
0.4426121.8284871.625882e-07
0.4444651.8279231.583539e-07
0.4463251.8273651.541018e-07
0.4481931.8268141.498319e-07
0.4500681.8262681.455442e-07
0.4519521.8257291.412385e-07
0.4538431.8251961.369148e-07
0.4557421.8246681.325730e-07
0.457651.8241461.282130e-07
0.4595651.823631.238348e-07
0.461.8235141.228400e-07
0.4614881.823121.203133e-07
0.4634191.8226151.170339e-07
0.4653591.8221161.137409e-07
0.4673061.8216221.104340e-07
0.4692621.8211341.071133e-07
0.4712261.820651.037788e-07
0.4731981.8201721.004302e-07
0.4751781.8196999.706769e-08
0.4771671.8192319.369107e-08
0.4791641.8187689.030032e-08
0.481.8185768.888000e-08
0.4811691.8183098.743636e-08
0.4831821.8178568.494920e-08
0.4852051.8174078.245162e-08
0.4872351.8169637.994359e-08
0.4892741.8165247.742507e-08
0.4913221.8160897.489600e-08
0.4933781.8156587.235636e-08
0.4954431.8152326.980608e-08
0.4975161.8148116.724513e-08
0.4995981.8143946.467347e-08
0.51.8143146.417700e-08
0.5016891.8139816.304778e-08
0.5037881.8135726.164395e-08
0.5058971.8131676.023424e-08
0.5080141.8127665.881864e-08
0.510141.812375.739711e-08
0.5122751.8119775.596963e-08
0.5144191.8115895.453618e-08
0.5165711.8112045.309673e-08
0.5187331.8108235.165125e-08
0.5209041.8104465.019973e-08
0.5230841.8100724.874213e-08
0.5252731.8097024.727843e-08
0.5274711.8093364.580861e-08
0.5296791.8089744.433263e-08
0.5318951.8086154.285048e-08
0.5341211.8082594.136213e-08
0.5363571.8079073.986754e-08
0.5386011.8075583.836671e-08
0.5408551.8072133.685959e-08
0.5431191.8068713.534616e-08
0.5453921.8065323.382640e-08
0.5476741.8061973.230028e-08
0.5499661.8058653.076778e-08
0.551.805863.074500e-08
0.5522681.8055363.087175e-08
0.5545791.805213.100095e-08
0.55691.8048873.113069e-08
0.559231.8045673.126097e-08
0.561571.804253.139179e-08
0.5639211.8039363.152316e-08
0.5662811.8036253.165509e-08
0.568651.8033173.178756e-08
0.571031.8030123.192059e-08
0.573421.8027093.205417e-08
0.575821.802413.218832e-08
0.5782291.8021133.232302e-08
0.5806491.8018193.245829e-08
0.5830791.8015283.259413e-08
0.5855191.8012393.273053e-08
0.587971.8009533.286751e-08
0.590431.8006693.300506e-08
0.5929011.8003883.314318e-08
0.5953821.800113.328188e-08
0.5978741.7998343.342116e-08
0.61.7996013.354000e-08
0.6003761.799563.360024e-08
0.6028891.7992893.400260e-08
0.6054121.7990213.440664e-08
0.6079451.7987543.481237e-08
0.610491.7984913.521980e-08
0.6130441.7982293.562893e-08
0.615611.797973.603978e-08
0.6181861.7977133.645234e-08
0.6207731.7974583.686664e-08
0.6233711.7972053.728266e-08
0.625981.7969553.770043e-08
0.62861.7967073.811995e-08
0.631231.7964613.854122e-08
0.6338721.7962173.896425e-08
0.6365251.7959753.938906e-08
0.6391881.7957353.981564e-08
0.6418631.7954984.024401e-08
0.644551.7952624.067417e-08
0.6472471.7950284.110613e-08
0.6499561.7947974.153989e-08
0.651.7947934.154700e-08
0.6526761.7945674.171803e-08
0.6554071.7943394.189262e-08
0.658151.7941134.206794e-08
0.6609041.7938894.224400e-08
0.663671.7936664.242079e-08
0.6664471.7934464.259832e-08
0.6692361.7932274.277659e-08
0.6720371.7930114.295562e-08
0.674851.7927964.313539e-08
0.6776741.7925824.331591e-08
0.680511.7923714.349719e-08
0.6833581.7921614.367922e-08
0.6862171.7919534.386202e-08
0.6890891.7917464.404559e-08
0.6919731.7915414.422992e-08
0.6948691.7913384.441502e-08
0.6977771.7911364.460090e-08
0.71.7909844.474300e-08
0.7006971.7909364.492195e-08
0.7036291.7907384.567477e-08
0.7065741.7905414.643075e-08
0.7095311.7903454.718989e-08
0.71251.7901514.795221e-08
0.7154821.7899594.871772e-08
0.7184761.7897684.948643e-08
0.7214831.7895785.025836e-08
0.7245021.789395.103351e-08
0.7275341.7892045.181192e-08
0.7305791.7890195.259358e-08
0.7336371.7888355.337851e-08
0.7367071.7886525.416673e-08
0.739791.7884715.495824e-08
0.7428861.7882915.575307e-08
0.7459951.7881135.655122e-08
0.7491171.7879365.735271e-08
0.7522521.787765.815756e-08
0.75541.7875855.896578e-08
0.7585611.7874125.977738e-08
0.7617361.787246.059237e-08
0.7649231.7870696.141078e-08
0.7681251.78696.223261e-08
0.7713391.7867316.305788e-08
0.7745671.7865646.388660e-08
0.7778091.7863986.471880e-08
0.7810641.7862336.555447e-08
0.7843321.7860696.639364e-08
0.7876151.7859076.723633e-08
0.7909111.7857456.808254e-08
0.7942211.7855856.893229e-08
0.7975441.7854256.978559e-08
0.81.7853097.041600e-08
0.8008821.7852676.998465e-08
0.8042341.785116.834577e-08
0.8075991.7849546.670003e-08
0.8109791.7847986.504740e-08
0.8143731.7846446.338786e-08
0.8177811.7844916.172137e-08
0.8212041.7843396.004790e-08
0.824641.7841885.836744e-08
0.8280911.7840375.667994e-08
0.8315571.7838885.498538e-08
0.8350371.783745.328373e-08
0.8385311.7835925.157495e-08
0.8420411.7834464.985903e-08
0.8455641.78334.813592e-08
0.8491031.7831564.640561e-08
0.8526561.7830124.466805e-08
0.8562251.7828694.292322e-08
0.8598081.7827274.117109e-08
0.8634061.7825853.941162e-08
0.867021.7824453.764480e-08
0.8706481.7823053.587057e-08
0.8742921.7821663.408893e-08
0.877951.7820283.229983e-08
0.8816251.7818913.050324e-08
0.8853141.7817552.869913e-08
0.8890191.7816192.688747e-08
0.892741.7814842.506823e-08
0.8964761.781352.324138e-08
0.91.7812242.151800e-08
0.9002271.7812162.154158e-08
0.9039951.7810832.193252e-08
0.9077781.7809512.232510e-08
0.9115771.780822.271932e-08
0.9153921.7806892.311519e-08
0.9192231.7805592.351272e-08
0.9230691.7804292.391191e-08
0.9269321.7803012.431277e-08
0.9308121.7801732.471531e-08
0.9347071.7800452.511953e-08
0.9386191.7799182.552545e-08
0.9425471.7797922.593306e-08
0.9464911.7796662.634238e-08
0.9504521.7795412.675341e-08
0.954431.7794172.716617e-08
0.9584241.7792932.758065e-08
0.9624351.7791692.799686e-08
0.9664631.7790472.841482e-08
0.9705071.7789242.883452e-08
0.9745691.7788032.925598e-08
0.9786471.7786812.967921e-08
0.9827431.7785613.010421e-08
0.9868551.778443.053098e-08
0.9909851.7783213.095954e-08
0.9951321.7782013.138990e-08
0.9992971.7780833.182206e-08
11.7780633.189500e-08
1.003481.7779643.150638e-08
1.007681.7778473.103727e-08
1.01191.7777293.056621e-08
1.016131.7776123.009317e-08
1.020381.7774962.961816e-08
1.024651.777382.914115e-08
1.028941.7772642.866215e-08
1.033251.7771482.818115e-08
1.037571.7770342.769813e-08
1.041911.7769192.721309e-08
1.046271.7768052.672603e-08
1.050651.7766912.623692e-08
1.055051.7765782.574577e-08
1.059461.7764642.525256e-08
1.06391.7763522.475728e-08
1.068351.7762392.425994e-08
1.072821.7761272.376051e-08
1.077311.7760152.325899e-08
1.081821.7759042.275538e-08
1.086351.7757922.224965e-08
1.090891.7756812.174181e-08
1.095461.7755712.123185e-08
1.100041.775462.071975e-08
1.104651.775352.020550e-08
1.109271.775241.968911e-08
1.113911.7751311.917055e-08
1.118571.7750211.864983e-08
1.123251.7749121.812692e-08
1.127961.7748031.760183e-08
1.132681.7746941.707454e-08
1.137421.7745861.654504e-08
1.142181.7744771.601333e-08
1.146961.7743691.547939e-08
1.151761.7742611.494321e-08
1.156581.7741531.440480e-08
1.161421.7740461.386413e-08
1.166281.7739381.332119e-08
1.171161.7738311.277599e-08
1.176061.7737231.222850e-08
1.180981.7736161.167872e-08
1.185921.7735091.112665e-08
1.190891.7734021.057226e-08
1.195871.7732951.001555e-08
1.21.7732079.554100e-09
1.200871.7731899.561054e-09
1.20591.7730829.601055e-09
1.210951.7729759.641223e-09
1.216011.7728699.681560e-09
1.22111.7727629.722065e-09
1.226211.7726569.762740e-09
1.231341.772559.803585e-09
1.23651.7724439.844601e-09
1.241671.7723379.885789e-09
1.246871.7722319.927149e-09
1.252091.7721259.968682e-09
1.257331.7720181.001039e-08
1.262591.7719121.005227e-08
1.267871.7718061.009433e-08
1.273181.7716991.013656e-08
1.278511.7715931.017897e-08
1.283861.7714871.022156e-08
1.289231.771381.026432e-08
1.294621.7712741.030727e-08
1.300041.7711671.035039e-08
1.305481.7710611.039369e-08
1.310951.7709541.043718e-08
1.316431.7708471.048085e-08
1.321941.770741.052470e-08
1.327471.7706331.056873e-08
1.333031.7705261.061295e-08
1.338611.7704191.065735e-08
1.344211.7703121.070194e-08
1.349841.7702041.074672e-08
1.355481.7700961.079168e-08
1.361161.7699891.083683e-08
1.366851.7698811.088217e-08
1.372571.7697731.092770e-08
1.378321.7696641.097342e-08
1.384091.7695561.101933e-08
1.389881.7694471.106544e-08
1.395691.7693381.111173e-08
1.41.7692581.114600e-08
1.401541.7692291.164875e-08
1.40741.769121.356900e-08
1.413291.769011.549729e-08
1.419211.7689011.743364e-08
1.425141.768791.937810e-08
1.431111.768682.133069e-08
1.43711.768572.329146e-08
1.443111.7684592.526043e-08
1.449151.7683482.723764e-08
1.455221.7682362.922313e-08
1.461311.7681253.121693e-08
1.467421.7680133.321906e-08
1.473561.76793.522958e-08
1.479731.7677883.724852e-08
1.485921.7676753.927590e-08
1.492141.7675614.131176e-08
1.498381.7674484.335615e-08
1.504661.7673344.540909e-08
1.510951.7672194.747062e-08
1.517281.7671044.954078e-08
1.523631.7669895.161961e-08
1.531.7668745.370713e-08
1.53641.7667585.580339e-08
1.542831.7666415.790842e-08
1.549291.7665246.002226e-08
1.555771.7664076.214495e-08
1.562291.7662896.427652e-08
1.568821.7661716.641701e-08
1.575391.7660536.856646e-08
1.581981.7659347.072491e-08
1.58861.7658147.289239e-08
1.595251.7656947.506893e-08
1.61.7656087.662400e-08
1.601931.7655737.769113e-08
1.608631.7654528.140531e-08
1.615361.7653318.513504e-08
1.622121.7652098.888038e-08
1.628911.7650869.264139e-08
1.635731.7649639.641814e-08
1.642571.7648391.002107e-07
1.649451.7647151.040191e-07
1.656351.764591.078435e-07
1.663281.7644641.116839e-07
1.670241.7643381.155403e-07
1.677231.7642111.194129e-07
1.684251.7640841.233017e-07
1.69131.7639561.272067e-07
1.698381.7638281.311281e-07
1.705491.7636981.350660e-07
1.712621.7635681.390203e-07
1.719791.7634381.429911e-07
1.726991.7633071.469786e-07
1.734211.7631751.509827e-07
1.741471.7630421.550036e-07
1.748761.7629081.590413e-07
1.756081.7627741.630960e-07
1.763431.7626391.671676e-07
1.770811.7625041.712562e-07
1.778221.7623681.753620e-07
1.785661.762231.794849e-07
1.793131.7620921.836251e-07
1.81.7619651.874300e-07
1.800641.7619541.882718e-07
1.808171.7618141.982398e-07
1.815741.7616742.082496e-07
1.823341.7615332.183012e-07
1.830971.7613912.283948e-07
1.838631.7612482.385307e-07
1.846331.7611042.487091e-07
1.854051.7609592.589300e-07
1.861811.7608142.691937e-07
1.86961.7606672.795003e-07
1.877431.760522.898501e-07
1.885281.7603723.002432e-07
1.893171.7602233.106798e-07
1.90111.7600733.211601e-07
1.909051.7599213.316842e-07
1.917041.7597693.422524e-07
1.925061.7596163.528648e-07
1.933121.7594623.635216e-07
1.941211.7593073.742230e-07
1.949331.7591513.849692e-07
1.957491.7589943.957604e-07
1.965681.7588354.065967e-07
1.973911.7586764.174784e-07
1.982171.7585164.284056e-07
1.990471.7583544.393785e-07
1.99881.7581924.503974e-07
21.7581684.519900e-07
2.007161.7580284.853527e-07
2.015561.7578635.244879e-07
2.0241.7576975.637868e-07
2.032471.757536.032503e-07
2.040971.7573616.428788e-07
2.049511.7571926.826733e-07
2.058091.7570217.226342e-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
—