Optical constants

Refractive index of J-LASF010 (HIKARI)

J-LASF010: 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
1.834
Extinction coefficient k
2.56224e-08
Permittivity ε1
3.36354
Permittivity ε2
9.39827e-08
Absorption coefficient α
0.00547958 cm⁻¹
Penetration depth δ = λ/(2πk)
3.64991e+09 nm
Abbe number Vd
37.184
Chromatic dispersion dn/dλ
-0.114031 µm⁻¹
Group index ng
1.901
Group velocity dispersion
218.488 fs²/mm
Dispersion parameter D
-1191.97 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-LASF010 (HIKARI): J-LASF010
hikari_j_lasf010 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASF010", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lasf010.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_lasf010.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=3.25964047−0.0145636865⁢λ2.0−0.000171298494⁢λ4.0+0.0351194196⁢λ−2.0+0.000630621917⁢λ−4.0+9.80352299×10-5⁢λ−6.0−8.0418207×10-6⁢λ−8.0+6.28587289×10-7⁢λ−10.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C13.25964047
C2-0.0145636865
C32.0
C4-0.000171298494
C54.0
C60.0351194196
C7-2.0
C80.000630621917
C9-4.0
C109.80352299e-05
C11-6.0
C12-8.0418207e-06
C13-8.0
C146.28587289e-07
C15-10.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 5.3827e-06 1.703e-08 -1.6389e-12 8.1439e-07 9.5861e-10 0.23595
nd
1.834000
Vd
37.183793
density
value: 4280
thermal expansion
value: 5.4e-06, temperature range: 243 343
dPgF
-0.0042
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 4.97e-06 K⁻¹ at 633 nm, dn/dT = 3.67e-06 K⁻¹ at 1310 nm, dn/dT = 3.56e-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-LASF010 (HIKARI), J-LASF010: n and k versus wavelength
λ (µm)nk
0.3650151.8941251.531280e-06
0.3666011.893141.391705e-06
0.3681931.8921681.251525e-06
0.3697931.891211.110735e-06
0.371.8910871.092500e-06
0.3713991.8902661.028792e-06
0.3730131.8893349.553330e-07
0.3746331.8884158.815553e-07
0.3762611.8875098.074571e-07
0.3778951.8866157.330370e-07
0.3795371.8857336.582936e-07
0.381.8854876.372100e-07
0.3811861.8848636.086959e-07
0.3828421.8840055.688734e-07
0.3845051.8831585.288779e-07
0.3861751.8823224.887086e-07
0.3878531.8814964.483648e-07
0.3895381.8806824.078458e-07
0.391.8804613.967300e-07
0.391231.8798783.835677e-07
0.392931.8790853.653803e-07
0.3946371.8783013.471139e-07
0.3963511.8775283.287682e-07
0.3980731.8767643.103428e-07
0.3998021.876012.918373e-07
0.41.8759252.897200e-07
0.4015391.8752662.808894e-07
0.4032831.874532.708801e-07
0.4050351.8738042.608274e-07
0.4067951.8730872.507310e-07
0.4085621.8723782.405907e-07
0.4103371.8716782.304064e-07
0.412121.8709872.201778e-07
0.413911.8703042.099049e-07
0.4157081.8696291.995872e-07
0.4175141.8689631.892248e-07
0.4193281.8683041.788173e-07
0.421.8680621.749600e-07
0.4211491.8676531.718658e-07
0.4229791.867011.669406e-07
0.4248171.8663741.619940e-07
0.4266621.8657461.570259e-07
0.4285161.8651251.520362e-07
0.4303771.8645111.470248e-07
0.4322471.8639041.419917e-07
0.4341251.8633051.369367e-07
0.436011.8627121.318598e-07
0.4379051.8621261.267608e-07
0.4398071.8615471.216396e-07
0.441.8614881.211200e-07
0.4417181.8609741.183551e-07
0.4436371.8604081.152661e-07
0.4455641.8598481.121637e-07
0.4474991.8592941.090478e-07
0.4494431.8587471.059184e-07
0.4513961.8582051.027754e-07
0.4533571.857679.961871e-08
0.4553261.857149.644833e-08
0.4573041.8566179.326417e-08
0.4592911.8560999.006618e-08
0.461.8559168.892500e-08
0.4612861.8555878.766798e-08
0.463291.855088.570973e-08
0.4653031.8545798.374298e-08
0.4673241.8540838.176768e-08
0.4693541.8535937.978380e-08
0.4713931.8531087.779131e-08
0.4734411.8526287.579015e-08
0.4754981.8521537.378031e-08
0.4775641.8516837.176173e-08
0.4796381.8512196.973438e-08
0.481.8511386.938100e-08
0.4817221.8507596.789006e-08
0.4838151.8503046.607819e-08
0.4859171.8498546.425845e-08
0.4880271.8494086.243080e-08
0.4901481.8489686.059522e-08
0.4922771.8485315.875165e-08
0.4944151.84815.690008e-08
0.4965631.8476725.504047e-08
0.4987211.847255.317278e-08
0.51.8470025.206500e-08
0.5008871.8468315.168675e-08
0.5030631.8464175.075892e-08
0.5052481.8460074.982705e-08
0.5074431.8456014.889114e-08
0.5096481.84524.795116e-08
0.5118621.8448024.700710e-08
0.5140861.8444094.605894e-08
0.5163191.8440194.510665e-08
0.5185621.8436344.415023e-08
0.5208151.8432524.318966e-08
0.5230771.8428744.222491e-08
0.5253491.84254.125597e-08
0.5276321.8421294.028283e-08
0.5299241.8417623.930545e-08
0.5322261.8413993.832383e-08
0.5345381.8410393.733794e-08
0.536861.8406833.634778e-08
0.5391931.8403313.535331e-08
0.5415351.8399823.435452e-08
0.5438871.8396363.335139e-08
0.546251.8392933.234390e-08
0.5486231.8389543.133204e-08
0.551.838763.074500e-08
0.5510071.8386193.060786e-08
0.55341.8382863.028174e-08
0.5558041.8379572.995421e-08
0.5582191.837632.962525e-08
0.5606441.8373072.929486e-08
0.563081.8369872.896304e-08
0.5655261.836672.862978e-08
0.5679821.8363562.829506e-08
0.570451.8360452.795890e-08
0.5729281.8357372.762127e-08
0.5754171.8354322.728218e-08
0.5779171.8351292.694162e-08
0.5804271.834832.659957e-08
0.5829491.8345332.625604e-08
0.5854811.8342392.591102e-08
0.5880251.8339472.556449e-08
0.5905791.8336592.521647e-08
0.5931451.8333732.486693e-08
0.5957221.8330892.451587e-08
0.598311.8328082.416329e-08
0.61.8326272.393300e-08
0.6009091.832532.415844e-08
0.6035191.8322542.480595e-08
0.6061411.8319812.545627e-08
0.6087741.831712.610941e-08
0.6114191.8314422.676539e-08
0.6140751.8311762.742422e-08
0.6167431.8309122.808591e-08
0.6194221.8306512.875048e-08
0.6221131.8303922.941794e-08
0.6248161.8301363.008829e-08
0.627531.8298813.076156e-08
0.6302561.8296293.143775e-08
0.6329941.8293793.211688e-08
0.6357441.8291313.279896e-08
0.6385061.8288863.348400e-08
0.641281.8286423.417202e-08
0.6440661.8284013.486302e-08
0.6468641.8281613.555703e-08
0.6496741.8279243.625406e-08
0.651.8278973.633500e-08
0.6524961.8276893.647453e-08
0.6553311.8274563.663298e-08
0.6581781.8272243.679212e-08
0.6610371.8269953.695196e-08
0.6639081.8267683.711248e-08
0.6667931.8265423.727371e-08
0.6696891.8263193.743563e-08
0.6725991.8260973.759826e-08
0.6755211.8258773.776160e-08
0.6784551.8256593.792565e-08
0.6814031.8254423.809040e-08
0.6843631.8252283.825588e-08
0.6873361.8250153.842207e-08
0.6903221.8248043.858898e-08
0.6933211.8245953.875662e-08
0.6963331.8243873.892499e-08
0.6993581.8241813.909409e-08
0.71.8241383.913000e-08
0.7023961.8239773.987954e-08
0.7054471.8237744.083420e-08
0.7085121.8235734.179299e-08
0.711591.8233734.275596e-08
0.7146811.8231754.372311e-08
0.7177861.8229794.469446e-08
0.7209041.8227844.567003e-08
0.7240361.822594.664983e-08
0.7271811.8223994.763390e-08
0.730341.8222084.862224e-08
0.7335131.8220194.961487e-08
0.73671.8218325.061181e-08
0.73991.8216455.161309e-08
0.7431141.8214615.261871e-08
0.7463421.8212775.362871e-08
0.7495851.8210955.464309e-08
0.7528411.8209155.566188e-08
0.7561121.8207355.668509e-08
0.7593961.8205575.771275e-08
0.7626951.820385.874488e-08
0.7660091.8202055.978148e-08
0.7693361.8200316.082259e-08
0.7726791.8198586.186823e-08
0.7760351.8196866.291840e-08
0.7794071.8195166.397314e-08
0.7827931.8193466.503246e-08
0.7861931.8191786.609638e-08
0.7896091.8190116.716493e-08
0.7930391.8188456.823812e-08
0.7964841.8186816.931596e-08
0.7999441.8185177.039849e-08
0.81.8185157.041600e-08
0.8034191.8183556.874408e-08
0.8069091.8181936.703743e-08
0.8104151.8180336.532335e-08
0.8139351.8178746.360184e-08
0.8174711.8177166.187284e-08
0.8210231.8175596.013633e-08
0.8245891.8174025.839228e-08
0.8281721.8172475.664065e-08
0.8317691.8170935.488141e-08
0.8353831.816945.311453e-08
0.8390121.8167885.133997e-08
0.8426571.8166374.955771e-08
0.8463171.8164864.776770e-08
0.8499941.8163374.596992e-08
0.8536871.8161884.416432e-08
0.8573951.8160414.235088e-08
0.861121.8158944.052957e-08
0.8648611.8157483.870034e-08
0.8686181.8156033.686316e-08
0.8723911.8154593.501801e-08
0.8761811.8153163.316483e-08
0.8799881.8151733.130361e-08
0.8838111.8150322.943430e-08
0.887651.8148912.755687e-08
0.8915061.8147512.567129e-08
0.8953791.8146112.377751e-08
0.8992691.8144732.187551e-08
0.91.8144472.151800e-08
0.9031751.8143352.210137e-08
0.9070991.8141982.282218e-08
0.911041.8140612.354611e-08
0.9149981.8139262.427320e-08
0.9189721.8137912.500344e-08
0.9229651.8136572.573685e-08
0.9269741.8135232.647345e-08
0.9310011.813392.721325e-08
0.9350461.8132582.795626e-08
0.9391081.8131262.870250e-08
0.9431881.8129952.945198e-08
0.9472851.8128653.020472e-08
0.95141.8127353.096073e-08
0.9555331.8126063.172002e-08
0.9596841.8124773.248261e-08
0.9638531.8123493.324852e-08
0.9680411.8122213.401775e-08
0.9722461.8120953.479032e-08
0.976471.8119683.556625e-08
0.9807121.8118423.634555e-08
0.9849721.8117173.712824e-08
0.9892511.8115923.791432e-08
0.9935491.8114683.870382e-08
0.9978651.8113443.949675e-08
11.8112833.988900e-08
1.00221.8112213.966054e-08
1.006551.8110983.920837e-08
1.010931.8109753.875425e-08
1.015321.8108533.829815e-08
1.019731.8107323.784007e-08
1.024161.810613.737999e-08
1.028611.810493.691792e-08
1.033081.8103693.645385e-08
1.037561.8102493.598775e-08
1.042071.810133.551963e-08
1.04661.8100113.504948e-08
1.051151.8098923.457729e-08
1.055711.8097743.410304e-08
1.06031.8096553.362674e-08
1.06491.8095383.314836e-08
1.069531.809423.266791e-08
1.074181.8093033.218537e-08
1.078841.8091863.170073e-08
1.083531.809073.121399e-08
1.088241.8089543.072513e-08
1.092961.8088383.023415e-08
1.097711.8087222.974104e-08
1.102481.8086072.924578e-08
1.107271.8084912.874838e-08
1.112081.8083762.824881e-08
1.116911.8082622.774707e-08
1.121761.8081472.724315e-08
1.126641.8080332.673704e-08
1.131531.8079192.622874e-08
1.136451.8078052.571823e-08
1.141381.8076912.520549e-08
1.146341.8075782.469053e-08
1.151321.8074642.417334e-08
1.156321.8073512.365390e-08
1.161351.8072382.313220e-08
1.166391.8071252.260823e-08
1.171461.8070122.208199e-08
1.176551.80692.155346e-08
1.181661.8067872.102264e-08
1.186791.8066752.048951e-08
1.191951.8065621.995406e-08
1.197131.806451.941629e-08
1.21.8063881.911800e-08
1.202331.8063381.928513e-08
1.207551.8062261.966002e-08
1.21281.8061132.003654e-08
1.218071.8060012.041470e-08
1.223361.8058892.079451e-08
1.228671.8057772.117596e-08
1.234011.8056652.155907e-08
1.239371.8055532.194384e-08
1.244751.8054412.233028e-08
1.250161.8053292.271841e-08
1.255591.8052172.310822e-08
1.261051.8051052.349972e-08
1.266531.8049932.389293e-08
1.272031.8048812.428784e-08
1.277551.8047692.468447e-08
1.28311.8046562.508282e-08
1.288681.8045442.548290e-08
1.294281.8044312.588472e-08
1.29991.8043192.628828e-08
1.305551.8042062.669360e-08
1.311221.8040932.710068e-08
1.316911.8039812.750953e-08
1.322641.8038682.792015e-08
1.328381.8037542.833256e-08
1.334151.8036412.874676e-08
1.339951.8035282.916276e-08
1.345771.8034142.958056e-08
1.351621.80333.000018e-08
1.357491.8031863.042163e-08
1.363381.8030723.084490e-08
1.369311.8029573.127001e-08
1.375261.8028433.169697e-08
1.381231.8027283.212579e-08
1.387231.8026133.255647e-08
1.393261.8024973.298902e-08
1.399311.8023823.342344e-08
1.41.8023693.347300e-08
1.405391.8022663.532656e-08
1.411491.802153.742670e-08
1.417631.8020333.953597e-08
1.423781.8019164.165440e-08
1.429971.8017994.378203e-08
1.436181.8016824.591891e-08
1.442421.8015644.806507e-08
1.448691.8014465.022055e-08
1.454981.8013285.238540e-08
1.46131.8012095.455965e-08
1.467651.801095.674335e-08
1.474031.8009715.893653e-08
1.480431.8008516.113924e-08
1.486861.800736.335152e-08
1.493321.800616.557342e-08
1.499811.8004896.780496e-08
1.506321.8003677.004620e-08
1.512871.8002457.229717e-08
1.519441.8001237.455792e-08
1.526041.87.682850e-08
1.532671.7998777.910894e-08
1.539331.7997538.139928e-08
1.546011.7996298.369958e-08
1.552731.7995048.600987e-08
1.559481.7993788.833019e-08
1.566251.7992539.066059e-08
1.573051.7991269.300112e-08
1.579891.7989999.535182e-08
1.586751.7988729.771273e-08
1.593641.7987441.000839e-07
1.61.7986261.022700e-07
1.600571.7986151.027184e-07
1.607521.7984861.082083e-07
1.61451.7983561.137221e-07
1.621521.7982261.192598e-07
1.628561.7980951.248216e-07
1.635641.7979631.304076e-07
1.642741.7978311.360178e-07
1.649881.7976981.416524e-07
1.657051.7975651.473115e-07
1.664251.797431.529951e-07
1.671481.7972951.587035e-07
1.678741.797161.644366e-07
1.686031.7970231.701947e-07
1.693351.7968861.759777e-07
1.700711.7967481.817859e-07
1.70811.796611.876193e-07
1.715521.796471.934781e-07
1.722971.796331.993623e-07
1.730461.7961892.052721e-07
1.737971.7960472.112075e-07
1.745521.7959052.171688e-07
1.753111.7957622.231559e-07
1.760721.7956172.291690e-07
1.768371.7954722.352083e-07
1.776051.7953262.412738e-07
1.783771.795182.473657e-07
1.791521.7950322.534840e-07
1.79931.7948832.596289e-07
1.81.794872.601800e-07
1.807121.7947342.711013e-07
1.814971.7945832.831456e-07
1.822851.7944322.952422e-07
1.830771.794283.073914e-07
1.838731.7941263.195934e-07
1.846711.7939723.318483e-07
1.854741.7938173.441565e-07
1.862791.793663.565182e-07
1.870891.7935033.689336e-07
1.879011.7933453.814029e-07
1.887181.7931853.939264e-07
1.895371.7930254.065043e-07
1.903611.7928634.191368e-07
1.911881.79274.318242e-07
1.920181.7925364.445667e-07
1.928531.7923724.573646e-07
1.93691.7922054.702181e-07
1.945321.7920384.831274e-07
1.953771.791874.960928e-07
1.962261.79175.091145e-07
1.970781.7915295.221928e-07
1.979341.7913575.353279e-07
1.987941.7911845.485201e-07
1.996581.7910095.617696e-07
21.790945.670200e-07
2.005251.7908335.954845e-07
2.013961.7906566.427031e-07
2.022711.7904786.901268e-07
2.03151.7902987.377566e-07
2.040321.7901177.855933e-07
2.049191.7899348.336378e-07
2.058091.7897518.818910e-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
—