Optical constants

Refractive index of J-LASF02 (HIKARI)

J-LASF02: 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
1.79952
Extinction coefficient k
3.64647e-08
Permittivity ε1
3.23826
Permittivity ε2
1.31238e-07
Absorption coefficient α
0.00779832 cm⁻¹
Penetration depth δ = λ/(2πk)
2.56466e+09 nm
Abbe number Vd
42.087
Chromatic dispersion dn/dλ
-0.0970498 µm⁻¹
Group index ng
1.85654
Group velocity dispersion
181.735 fs²/mm
Dispersion parameter D
-991.463 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-LASF02 (HIKARI): J-LASF02
hikari_j_lasf02 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASF02", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lasf02.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_lasf02.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=3.15037829−0.0126701101⁢λ2.0−0.00018434208⁢λ4.0+0.0301788791⁢λ−2.0+0.000435495344⁢λ−4.0+5.91055881×10-5⁢λ−6.0−3.81755339×10-6⁢λ−8.0+2.51546253×10-7⁢λ−10.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C13.15037829
C2-0.0126701101
C32.0
C4-0.00018434208
C54.0
C60.0301788791
C7-2.0
C80.000435495344
C9-4.0
C105.91055881e-05
C11-6.0
C12-3.81755339e-06
C13-8.0
C142.51546253e-07
C15-10.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 8.5746e-06 1.4279e-08 -1.6073e-12 7.9715e-07 8.2435e-10 0.21498
nd
1.799520
Vd
42.086944
density
value: 4510
thermal expansion
value: 5.3e-06, temperature range: 243 343
dPgF
-0.007
resistance
phosphate: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 6.70e-06 K⁻¹ at 633 nm, dn/dT = 5.48e-06 K⁻¹ at 1310 nm, dn/dT = 5.37e-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-LASF02 (HIKARI), J-LASF02: n and k versus wavelength
λ (µm)nk
0.3650151.8489448.738176e-07
0.3666011.8481667.932191e-07
0.3681931.8473987.122704e-07
0.3697931.846646.309702e-07
0.371.8465436.204400e-07
0.3713991.8458915.877133e-07
0.3730131.8451525.499780e-07
0.3746331.8444215.120788e-07
0.3762611.84374.740150e-07
0.3778951.8429874.357858e-07
0.3795371.8422833.973905e-07
0.381.8420863.865600e-07
0.3811861.8415873.710093e-07
0.3828421.84093.492914e-07
0.3845051.8402213.274792e-07
0.3861751.839553.055721e-07
0.3878531.8388872.835700e-07
0.3895381.8382312.614722e-07
0.391.8380542.554100e-07
0.391231.8375842.461431e-07
0.392931.8369442.333384e-07
0.3946371.8363112.204780e-07
0.3963511.8356862.075617e-07
0.3980731.8350681.945894e-07
0.3998021.8344571.815607e-07
0.41.8343881.800700e-07
0.4015391.8338541.751099e-07
0.4032831.8332571.694878e-07
0.4050351.8326671.638412e-07
0.4067951.8320831.581701e-07
0.4085621.8315061.524744e-07
0.4103371.8309361.467539e-07
0.412121.8303721.410086e-07
0.413911.8298141.352383e-07
0.4157081.8292631.294430e-07
0.4175141.8287181.236224e-07
0.4193281.8281781.177766e-07
0.421.8279811.156100e-07
0.4211491.8276451.138542e-07
0.4229791.8271181.110594e-07
0.4248171.8265961.082525e-07
0.4266621.826081.054334e-07
0.4285161.825571.026021e-07
0.4303771.8250659.975846e-08
0.4322471.8245669.690246e-08
0.4341251.8240729.403406e-08
0.436011.8235839.115319e-08
0.4379051.82318.825981e-08
0.4398071.8226218.535386e-08
0.441.8225738.505900e-08
0.4417181.8221488.346430e-08
0.4436371.821688.168267e-08
0.4455641.8212177.989331e-08
0.4474991.8207597.809617e-08
0.4494431.8203057.629122e-08
0.4513961.8198577.447844e-08
0.4533571.8194137.265777e-08
0.4553261.8189737.082920e-08
0.4573041.8185396.899269e-08
0.4592911.8181086.714819e-08
0.461.8179566.649000e-08
0.4612861.8176826.542825e-08
0.463291.8172616.377420e-08
0.4653031.8168446.211296e-08
0.4673241.8164316.044451e-08
0.4693541.8160235.876881e-08
0.4713931.8156185.708583e-08
0.4734411.8152185.539554e-08
0.4754981.8148225.369791e-08
0.4775641.814435.199290e-08
0.4796381.8140425.028049e-08
0.481.8139744.998200e-08
0.4817221.8136574.912159e-08
0.4838151.8132774.807596e-08
0.4859171.81294.702580e-08
0.4880271.8125274.597107e-08
0.4901481.8121584.491176e-08
0.4922771.8117934.384784e-08
0.4944151.8114314.277931e-08
0.4965631.8110734.170613e-08
0.4987211.8107184.062829e-08
0.51.810513.998900e-08
0.5008871.8103673.982500e-08
0.5030631.8100193.942270e-08
0.5052481.8096743.901866e-08
0.5074431.8093333.861287e-08
0.5096481.8089963.820531e-08
0.5118621.8086613.779598e-08
0.5140861.808333.738487e-08
0.5163191.8080023.697198e-08
0.5185621.8076773.655729e-08
0.5208151.8073563.614080e-08
0.5230771.8070373.572250e-08
0.5253491.8067213.530238e-08
0.5276321.8064093.488044e-08
0.5299241.8060993.445667e-08
0.5322261.8057933.403106e-08
0.5345381.8054893.360359e-08
0.536861.8051883.317427e-08
0.5391931.804893.274309e-08
0.5415351.8045953.231003e-08
0.5438871.8043023.187509e-08
0.546251.8040133.143826e-08
0.5486231.8037263.099953e-08
0.551.8035613.074500e-08
0.5510071.8034413.089813e-08
0.55341.8031593.126226e-08
0.5558041.802883.162797e-08
0.5582191.8026043.199527e-08
0.5606441.802333.236417e-08
0.563081.8020583.273466e-08
0.5655261.8017893.310677e-08
0.5679821.8015233.348050e-08
0.570451.8012593.385585e-08
0.5729281.8009973.423282e-08
0.5754171.8007373.461144e-08
0.5779171.800483.499170e-08
0.5804271.8002263.537362e-08
0.5829491.7999733.575719e-08
0.5854811.7997233.614243e-08
0.5880251.7994753.652934e-08
0.5905791.7992293.691793e-08
0.5931451.7989863.730821e-08
0.5957221.7987443.770019e-08
0.598311.7985053.809387e-08
0.61.7983513.835100e-08
0.6009091.7982683.831435e-08
0.6035191.7980333.820910e-08
0.6061411.79783.810339e-08
0.6087741.7975693.799721e-08
0.6114191.797343.789058e-08
0.6140751.7971133.778349e-08
0.6167431.7968883.767593e-08
0.6194221.7966653.756790e-08
0.6221131.7964443.745940e-08
0.6248161.7962243.735043e-08
0.627531.7960073.724099e-08
0.6302561.7957913.713107e-08
0.6329941.7955773.702067e-08
0.6357441.7953663.690980e-08
0.6385061.7951553.679844e-08
0.641281.7949473.668660e-08
0.6440661.794743.657428e-08
0.6468641.7945353.646146e-08
0.6496741.7943323.634816e-08
0.651.7943093.633500e-08
0.6524961.7941313.647453e-08
0.6553311.7939313.663298e-08
0.6581781.7937323.679212e-08
0.6610371.7935363.695196e-08
0.6639081.7933413.711248e-08
0.6667931.7931473.727371e-08
0.6696891.7929563.743563e-08
0.6725991.7927653.759826e-08
0.6755211.7925763.776160e-08
0.6784551.7923893.792565e-08
0.6814031.7922033.809040e-08
0.6843631.7920193.825588e-08
0.6873361.7918363.842207e-08
0.6903221.7916553.858898e-08
0.6933211.7914753.875662e-08
0.6963331.7912963.892499e-08
0.6993581.7911193.909409e-08
0.71.7910823.913000e-08
0.7023961.7909434.003383e-08
0.7054471.7907694.118499e-08
0.7085121.7905964.234115e-08
0.711591.7904244.350234e-08
0.7146811.7902544.466857e-08
0.7177861.7900844.583986e-08
0.7209041.7899174.701624e-08
0.7240361.789754.819774e-08
0.7271811.7895844.938436e-08
0.730341.789425.057615e-08
0.7335131.7892575.177310e-08
0.73671.7890965.297526e-08
0.73991.7889355.418264e-08
0.7431141.7887765.539527e-08
0.7463421.7886175.661316e-08
0.7495851.788465.783635e-08
0.7528411.7883045.906485e-08
0.7561121.788156.029868e-08
0.7593961.7879966.153788e-08
0.7626951.7878436.278246e-08
0.7660091.7876926.403244e-08
0.7693361.7875416.528786e-08
0.7726791.7873926.654873e-08
0.7760351.7872436.781508e-08
0.7794071.7870966.908693e-08
0.7827931.7869497.036430e-08
0.7861931.7868047.164722e-08
0.7896091.786667.293572e-08
0.7930391.7865167.422981e-08
0.7964841.7863747.552953e-08
0.7999441.7862327.683489e-08
0.81.786237.685600e-08
0.8034191.7860917.520963e-08
0.8069091.7859527.352904e-08
0.8104151.7858137.184115e-08
0.8139351.7856757.014593e-08
0.8174711.7855386.844335e-08
0.8210231.7854026.673337e-08
0.8245891.7852666.501596e-08
0.8281721.7851326.329109e-08
0.8317691.7849986.155873e-08
0.8353831.7848655.981884e-08
0.8390121.7847335.807139e-08
0.8426571.7846025.631635e-08
0.8463171.7844725.455369e-08
0.8499941.7843425.278337e-08
0.8536871.7842135.100536e-08
0.8573951.7840854.921963e-08
0.861121.7839584.742613e-08
0.8648611.7838314.562485e-08
0.8686181.7837054.381574e-08
0.8723911.783584.199877e-08
0.8761811.7834554.017391e-08
0.8799881.7833323.834112e-08
0.8838111.7832093.650037e-08
0.887651.7830863.465162e-08
0.8915061.7829643.279484e-08
0.8953791.7828433.093000e-08
0.8992691.7827232.905705e-08
0.91.78272.870500e-08
0.9031751.7826032.931422e-08
0.9070991.7824833.006696e-08
0.911041.7823653.082298e-08
0.9149981.7822473.158228e-08
0.9189721.7821293.234487e-08
0.9229651.7820123.311078e-08
0.9269741.7818963.388002e-08
0.9310011.781783.465260e-08
0.9350461.7816653.542853e-08
0.9391081.781553.620784e-08
0.9431881.7814363.699053e-08
0.9472851.7813223.777662e-08
0.95141.7812093.856613e-08
0.9555331.7810963.935906e-08
0.9596841.7809844.015544e-08
0.9638531.7808734.095528e-08
0.9680411.7807614.175860e-08
0.9722461.7806514.256541e-08
0.976471.780544.337572e-08
0.9807121.780434.418955e-08
0.9849721.7803214.500691e-08
0.9892511.7802124.582783e-08
0.9935491.7801034.665231e-08
0.9978651.7799954.748037e-08
11.7799424.789000e-08
1.00221.7798874.767883e-08
1.006551.779784.726089e-08
1.010931.7796734.684113e-08
1.015321.7795664.641955e-08
1.019731.779464.599613e-08
1.024161.7793544.557088e-08
1.028611.7792494.514378e-08
1.033081.7791444.471483e-08
1.037561.7790394.428401e-08
1.042071.7789344.385132e-08
1.04661.778834.341675e-08
1.051151.7787264.298029e-08
1.055711.7786224.254194e-08
1.06031.7785194.210168e-08
1.06491.7784164.165951e-08
1.069531.7783134.121542e-08
1.074181.778214.076940e-08
1.078841.7781084.032144e-08
1.083531.7780063.987153e-08
1.088241.7779043.941968e-08
1.092961.7778023.896585e-08
1.097711.7777013.851006e-08
1.102481.77763.805229e-08
1.107271.7774993.759253e-08
1.112081.7773983.713077e-08
1.116911.7772973.666700e-08
1.121761.7771973.620122e-08
1.126641.7770973.573342e-08
1.131531.7769973.526358e-08
1.136451.7768973.479170e-08
1.141381.7767973.431778e-08
1.146341.7766973.384179e-08
1.151321.7765983.336374e-08
1.156321.7764983.288361e-08
1.161351.7763993.240139e-08
1.166391.77633.191708e-08
1.171461.77623.143067e-08
1.176551.7761013.094214e-08
1.181661.7760023.045149e-08
1.186791.7759042.995871e-08
1.191951.7758052.946378e-08
1.197131.7757062.896671e-08
1.21.7756512.869100e-08
1.202331.7756072.900712e-08
1.207551.7755082.971625e-08
1.21281.775413.042846e-08
1.218071.7753113.114376e-08
1.223361.7752133.186217e-08
1.228671.7751143.258370e-08
1.234011.7750153.330836e-08
1.239371.7749173.403618e-08
1.244751.7748183.476715e-08
1.250161.7747193.550130e-08
1.255591.7746213.623864e-08
1.261051.7745223.697918e-08
1.266531.7744233.772294e-08
1.272031.7743243.846993e-08
1.277551.7742253.922017e-08
1.28311.7741263.997367e-08
1.288681.7740274.073043e-08
1.294281.7739284.149049e-08
1.29991.7738284.225385e-08
1.305551.7737294.302052e-08
1.311221.7736294.379053e-08
1.316911.773534.456388e-08
1.322641.773434.534059e-08
1.328381.773334.612067e-08
1.334151.773234.690414e-08
1.339951.773134.769102e-08
1.345771.7730294.848131e-08
1.351621.7729294.927504e-08
1.357491.7728285.007222e-08
1.363381.7727275.087286e-08
1.369311.7726265.167697e-08
1.375261.7725245.248458e-08
1.381231.7724235.329570e-08
1.387231.7723215.411034e-08
1.393261.7722195.492853e-08
1.399311.7721165.575026e-08
1.41.7721055.584400e-08
1.405391.7720145.778698e-08
1.411491.7719115.998844e-08
1.417631.7718086.219947e-08
1.423781.7717046.442010e-08
1.429971.7716016.665038e-08
1.436181.7714976.889034e-08
1.442421.7713927.114004e-08
1.448691.7712887.339951e-08
1.454981.7711837.566880e-08
1.46131.7710787.794794e-08
1.467651.7709728.023699e-08
1.474031.7708668.253598e-08
1.480431.770768.484496e-08
1.486861.7706538.716397e-08
1.493321.7705468.949305e-08
1.499811.7704399.183225e-08
1.506321.7703319.418161e-08
1.512871.7702229.654118e-08
1.519441.7701149.891100e-08
1.526041.7700051.012911e-07
1.532671.7698951.036816e-07
1.539331.7697851.060824e-07
1.546011.7696751.084937e-07
1.552731.7695641.109154e-07
1.559481.7694521.133477e-07
1.566251.769341.157905e-07
1.573051.7692281.182440e-07
1.579891.7691151.207081e-07
1.586751.7690021.231829e-07
1.593641.7688881.256684e-07
1.61.7687831.279600e-07
1.600571.7687741.283769e-07
1.607521.7686591.334809e-07
1.61451.7685431.386071e-07
1.621521.7684271.437556e-07
1.628561.768311.489264e-07
1.635641.7681931.541197e-07
1.642741.7680751.593356e-07
1.649881.7679571.645741e-07
1.657051.7678381.698354e-07
1.664251.7677181.751195e-07
1.671481.7675981.804266e-07
1.678741.7674771.857567e-07
1.686031.7673551.911100e-07
1.693351.7672331.964866e-07
1.700711.767112.018865e-07
1.70811.7669862.073099e-07
1.715521.7668622.127568e-07
1.722971.7667372.182274e-07
1.730461.7666112.237217e-07
1.737971.7664842.292400e-07
1.745521.7663572.347822e-07
1.753111.7662292.403484e-07
1.760721.76612.459389e-07
1.768371.765972.515537e-07
1.776051.765842.571928e-07
1.783771.7657092.628564e-07
1.791521.7655772.685447e-07
1.79931.7654442.742576e-07
1.81.7654322.747700e-07
1.807121.765312.857596e-07
1.814971.7651752.978793e-07
1.822851.765043.100516e-07
1.830771.7649043.222768e-07
1.838731.7647663.345551e-07
1.846711.7646283.468868e-07
1.854741.7644893.592720e-07
1.862791.7643493.717110e-07
1.870891.7642083.842041e-07
1.879011.7640663.967514e-07
1.887181.7639234.093533e-07
1.895371.763784.220099e-07
1.903611.7636354.347215e-07
1.911881.7634894.474883e-07
1.920181.7633424.603105e-07
1.928531.7631944.731885e-07
1.93691.7630454.861224e-07
1.945321.7628954.991125e-07
1.953771.7627435.121590e-07
1.962261.7625915.252622e-07
1.970781.7624385.384223e-07
1.979341.7622835.516396e-07
1.987941.7621285.649144e-07
1.996581.7619715.782467e-07
21.7619085.835300e-07
2.005251.7618136.095444e-07
2.013961.7616536.526988e-07
2.022711.7614936.960407e-07
2.03151.7613317.395708e-07
2.040321.7611687.832901e-07
2.049191.7610048.271992e-07
2.058091.7608398.712991e-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
—