Optical constants

Refractive index of J-LAF010 (HIKARI)

J-LAF010: 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
1.7432
Extinction coefficient k
2.81403e-08
Permittivity ε1
3.03874
Permittivity ε2
9.81081e-08
Absorption coefficient α
0.00601806 cm⁻¹
Penetration depth δ = λ/(2πk)
3.32333e+09 nm
Abbe number Vd
49.257
Chromatic dispersion dn/dλ
-0.0775972 µm⁻¹
Group index ng
1.78879
Group velocity dispersion
139.663 fs²/mm
Dispersion parameter D
-761.938 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-LAF010 (HIKARI): J-LAF010
hikari_j_laf010 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LAF010", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_laf010.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_laf010.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=2.97218511−0.0132235298⁢λ2.0−0.000174821942⁢λ4.0+0.0233639677⁢λ−2.0+0.000384261692⁢λ−4.0+9.20777694×10-6⁢λ−6.0+3.19655312×10-7⁢λ−8.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C12.97218511
C2-0.0132235298
C32.0
C4-0.000174821942
C54.0
C60.0233639677
C7-2.0
C80.000384261692
C9-4.0
C109.20777694e-06
C11-6.0
C123.19655312e-07
C13-8.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 9.3637e-06 1.3683e-08 -1.8889e-12 6.9113e-07 7.4554e-10 0.18889
nd
1.743200
Vd
49.257188
density
value: 4150
thermal expansion
value: 4.9e-06, temperature range: 243 343
dPgF
-0.0092
resistance
phosphate: 4.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 6.56e-06 K⁻¹ at 633 nm, dn/dT = 5.57e-06 K⁻¹ at 1310 nm, dn/dT = 5.48e-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-LAF010 (HIKARI), J-LAF010: n and k versus wavelength
λ (µm)nk
0.3650151.7811043.710776e-07
0.3666011.7805333.475647e-07
0.3681931.7799673.239496e-07
0.3697931.7794083.002320e-07
0.371.7793362.971600e-07
0.3713991.7788552.822113e-07
0.3730131.7783082.649749e-07
0.3746331.7777672.476636e-07
0.3762611.7772322.302771e-07
0.3778951.7767032.128150e-07
0.3795371.776181.952771e-07
0.381.7760331.903300e-07
0.3811861.7756621.827841e-07
0.3828421.7751491.722456e-07
0.3845051.7746421.616613e-07
0.3861751.7741411.510310e-07
0.3878531.7736451.403545e-07
0.3895381.7731541.296316e-07
0.391.7730211.266900e-07
0.391231.7726691.226291e-07
0.392931.7721881.170179e-07
0.3946371.7717131.113823e-07
0.3963511.7712431.057222e-07
0.3980731.7707771.000376e-07
0.3998021.7703179.432823e-08
0.41.7702649.367500e-08
0.4015391.7698619.113831e-08
0.4032831.769418.826305e-08
0.4050351.7689648.537530e-08
0.4067951.7685228.247500e-08
0.4085621.7680857.956211e-08
0.4103371.7676527.663656e-08
0.412121.7672247.369830e-08
0.413911.76687.074727e-08
0.4157081.7663816.778343e-08
0.4175141.7659666.480671e-08
0.4193281.7655556.181706e-08
0.421.7654046.070900e-08
0.4211491.7651485.985315e-08
0.4229791.7647465.849085e-08
0.4248171.7643475.712263e-08
0.4266621.7639535.574847e-08
0.4285161.7635625.436834e-08
0.4303771.7631765.298221e-08
0.4322471.7627935.159006e-08
0.4341251.7624145.019187e-08
0.436011.7620394.878760e-08
0.4379051.7616684.737723e-08
0.4398071.76134.596073e-08
0.441.7612634.581700e-08
0.4417181.7609364.504176e-08
0.4436371.7605764.417566e-08
0.4455641.7602194.330579e-08
0.4474991.7598664.243214e-08
0.4494431.7595164.155470e-08
0.4513961.759174.067344e-08
0.4533571.7588273.978836e-08
0.4553261.7584873.889943e-08
0.4573041.7581513.800664e-08
0.4592911.7578173.710997e-08
0.461.75773.679000e-08
0.4612861.7574883.639708e-08
0.463291.7571613.578498e-08
0.4653031.7568373.517022e-08
0.4673241.7565173.455279e-08
0.4693541.75623.393267e-08
0.4713931.7558853.330987e-08
0.4734411.7555743.268435e-08
0.4754981.7552663.205612e-08
0.4775641.754963.142516e-08
0.4796381.7546583.079146e-08
0.481.7546053.068100e-08
0.4817221.7543583.010102e-08
0.4838151.7540612.939619e-08
0.4859171.7537672.868831e-08
0.4880271.7534762.797734e-08
0.4901481.7531882.726329e-08
0.4922771.7529022.654614e-08
0.4944151.7526192.582587e-08
0.4965631.7523382.510247e-08
0.4987211.752062.437593e-08
0.51.7518972.394500e-08
0.5008871.7517852.398749e-08
0.5030631.7515122.409172e-08
0.5052481.7512422.419640e-08
0.5074431.7509742.430154e-08
0.5096481.7507092.440713e-08
0.5118621.7504462.451318e-08
0.5140861.7501852.461970e-08
0.5163191.7499272.472667e-08
0.5185621.7496722.483411e-08
0.5208151.7494182.494202e-08
0.5230771.7491672.505039e-08
0.5253491.7489182.515924e-08
0.5276321.7486712.526856e-08
0.5299241.7484272.537835e-08
0.5322261.7481852.548863e-08
0.5345381.7479452.559938e-08
0.536861.7477072.571061e-08
0.5391931.7474712.582232e-08
0.5415351.7472372.593452e-08
0.5438871.7470062.604721e-08
0.546251.7467762.616039e-08
0.5486231.7465492.627405e-08
0.551.7464182.634000e-08
0.5510071.7463232.638820e-08
0.55341.7460992.650281e-08
0.5558041.7458782.661792e-08
0.5582191.7456582.673352e-08
0.5606441.745442.684963e-08
0.563081.7452242.696625e-08
0.5655261.745012.708337e-08
0.5679821.7447982.720100e-08
0.570451.7445882.731914e-08
0.5729281.7443792.743780e-08
0.5754171.7441722.755697e-08
0.5779171.7439672.767666e-08
0.5804271.7437642.779686e-08
0.5829491.7435622.791759e-08
0.5854811.7433622.803885e-08
0.5880251.7431642.816063e-08
0.5905791.7429682.828294e-08
0.5931451.7427732.840578e-08
0.5957221.7425792.852916e-08
0.598311.7423882.865307e-08
0.61.7422642.873400e-08
0.6009091.7421982.887217e-08
0.6035191.7420092.926902e-08
0.6061411.7418222.966759e-08
0.6087741.7416373.006789e-08
0.6114191.7414533.046993e-08
0.6140751.741273.087372e-08
0.6167431.7410893.127926e-08
0.6194221.740913.168656e-08
0.6221131.7407323.209564e-08
0.6248161.7405553.250649e-08
0.627531.740383.291912e-08
0.6302561.7402063.333355e-08
0.6329941.7400343.374978e-08
0.6357441.7398633.416781e-08
0.6385061.7396933.458766e-08
0.641281.7395253.500934e-08
0.6440661.7393583.543285e-08
0.6468641.7391923.585819e-08
0.6496741.7390283.628539e-08
0.651.7390093.633500e-08
0.6524961.7388643.675473e-08
0.6553311.7387023.723139e-08
0.6581781.7385423.771013e-08
0.6610371.7383823.819094e-08
0.6639081.7382243.867385e-08
0.6667931.7380673.915885e-08
0.6696891.7379113.964596e-08
0.6725991.7377564.013519e-08
0.6755211.7376034.062654e-08
0.6784551.7374514.112002e-08
0.6814031.7372994.161565e-08
0.6843631.7371494.211344e-08
0.6873361.7374.261338e-08
0.6903221.7368524.311550e-08
0.6933211.7367054.361980e-08
0.6963331.7365594.412629e-08
0.6993581.7364154.463497e-08
0.71.7363844.474300e-08
0.7023961.7362714.535807e-08
0.7054471.7361284.614145e-08
0.7085121.7359864.692823e-08
0.711591.7358464.771843e-08
0.7146811.7357064.851206e-08
0.7177861.7355674.930914e-08
0.7209041.7354295.010968e-08
0.7240361.7352925.091371e-08
0.7271811.7351565.172122e-08
0.730341.7350215.253224e-08
0.7335131.7348875.334679e-08
0.73671.7347545.416487e-08
0.73991.7346225.498651e-08
0.7431141.734495.581171e-08
0.7463421.734365.664050e-08
0.7495851.734235.747290e-08
0.7528411.7341015.830891e-08
0.7561121.7339735.914855e-08
0.7593961.7338465.999183e-08
0.7626951.733726.083878e-08
0.7660091.7335946.168941e-08
0.7693361.7334696.254374e-08
0.7726791.7333456.340178e-08
0.7760351.7332226.426354e-08
0.7794071.7330996.512905e-08
0.7827931.7329786.599832e-08
0.7861931.7328566.687136e-08
0.7896091.7327366.774820e-08
0.7930391.7326176.862885e-08
0.7964841.7324986.951332e-08
0.7999441.7323797.040164e-08
0.81.7323787.041600e-08
0.8034191.7322626.948205e-08
0.8069091.7321456.852869e-08
0.8104151.7320296.757119e-08
0.8139351.7319136.660953e-08
0.8174711.7317986.564369e-08
0.8210231.7316846.467365e-08
0.8245891.731576.369941e-08
0.8281721.7314576.272093e-08
0.8317691.7313456.173819e-08
0.8353831.7312336.075119e-08
0.8390121.7311225.975991e-08
0.8426571.7310115.876431e-08
0.8463171.7309015.776439e-08
0.8499941.7307925.676013e-08
0.8536871.7306835.575150e-08
0.8573951.7305745.473849e-08
0.861121.7304665.372109e-08
0.8648611.7303595.269926e-08
0.8686181.7302525.167299e-08
0.8723911.7301465.064226e-08
0.8761811.730044.960706e-08
0.8799881.7299344.856736e-08
0.8838111.7298294.752314e-08
0.887651.7297254.647439e-08
0.8915061.7296214.542108e-08
0.8953791.7295184.436319e-08
0.8992691.7294144.330071e-08
0.91.7293954.310100e-08
0.9031751.7293124.299900e-08
0.9070991.729214.287298e-08
0.911041.7291084.274640e-08
0.9149981.7290064.261928e-08
0.9189721.7289054.249160e-08
0.9229651.7288054.236337e-08
0.9269741.7287044.223459e-08
0.9310011.7286054.210524e-08
0.9350461.7285054.197533e-08
0.9391081.7284064.184486e-08
0.9431881.7283074.171382e-08
0.9472851.7282094.158221e-08
0.95141.7281114.145003e-08
0.9555331.7280134.131727e-08
0.9596841.7279154.118394e-08
0.9638531.7278184.105003e-08
0.9680411.7277214.091553e-08
0.9722461.7276254.078046e-08
0.976471.7275294.064479e-08
0.9807121.7274334.050854e-08
0.9849721.7273374.037169e-08
0.9892511.7272414.023425e-08
0.9935491.7271464.009622e-08
0.9978651.7270513.995758e-08
11.7270043.988900e-08
1.00221.7269573.966054e-08
1.006551.7268623.920837e-08
1.010931.7267683.875425e-08
1.015321.7266743.829815e-08
1.019731.726583.784007e-08
1.024161.7264863.737999e-08
1.028611.7263933.691792e-08
1.033081.72633.645385e-08
1.037561.7262063.598775e-08
1.042071.7261143.551963e-08
1.04661.7260213.504948e-08
1.051151.7259283.457729e-08
1.055711.7258363.410304e-08
1.06031.7257443.362674e-08
1.06491.7256513.314836e-08
1.069531.7255593.266791e-08
1.074181.7254673.218537e-08
1.078841.7253763.170073e-08
1.083531.7252843.121399e-08
1.088241.7251923.072513e-08
1.092961.7251013.023415e-08
1.097711.7250092.974104e-08
1.102481.7249182.924578e-08
1.107271.7248272.874838e-08
1.112081.7247352.824881e-08
1.116911.7246442.774707e-08
1.121761.7245532.724315e-08
1.126641.7244622.673704e-08
1.131531.7243712.622874e-08
1.136451.724282.571823e-08
1.141381.7241892.520549e-08
1.146341.7240982.469053e-08
1.151321.7240062.417334e-08
1.156321.7239152.365390e-08
1.161351.7238242.313220e-08
1.166391.7237332.260823e-08
1.171461.7236422.208199e-08
1.176551.7235512.155346e-08
1.181661.723462.102264e-08
1.186791.7233682.048951e-08
1.191951.7232771.995406e-08
1.197131.7231861.941629e-08
1.21.7231351.911800e-08
1.202331.7230941.928513e-08
1.207551.7230021.966002e-08
1.21281.7229112.003654e-08
1.218071.7228192.041470e-08
1.223361.7227272.079451e-08
1.228671.7226352.117596e-08
1.234011.7225432.155907e-08
1.239371.7224512.194384e-08
1.244751.7223582.233028e-08
1.250161.7222662.271841e-08
1.255591.7221732.310822e-08
1.261051.722082.349972e-08
1.266531.7219872.389293e-08
1.272031.7218942.428784e-08
1.277551.7218012.468447e-08
1.28311.7217072.508282e-08
1.288681.7216132.548290e-08
1.294281.721522.588472e-08
1.29991.7214252.628828e-08
1.305551.7213312.669360e-08
1.311221.7212362.710068e-08
1.316911.7211412.750953e-08
1.322641.7210462.792015e-08
1.328381.7209512.833256e-08
1.334151.7208552.874676e-08
1.339951.7207592.916276e-08
1.345771.7206632.958056e-08
1.351621.7205673.000018e-08
1.357491.720473.042163e-08
1.363381.7203733.084490e-08
1.369311.7202763.127001e-08
1.375261.7201783.169697e-08
1.381231.720083.212579e-08
1.387231.7199813.255647e-08
1.393261.7198833.298902e-08
1.399311.7197843.342344e-08
1.41.7197723.347300e-08
1.405391.7196843.532656e-08
1.411491.7195843.742670e-08
1.417631.7194843.953597e-08
1.423781.7193844.165440e-08
1.429971.7192834.378203e-08
1.436181.7191814.591891e-08
1.442421.719084.806507e-08
1.448691.7189785.022055e-08
1.454981.7188755.238540e-08
1.46131.7187725.455965e-08
1.467651.7186685.674335e-08
1.474031.7185645.893653e-08
1.480431.718466.113924e-08
1.486861.7183556.335152e-08
1.493321.718256.557342e-08
1.499811.7181446.780496e-08
1.506321.7180387.004620e-08
1.512871.7179317.229717e-08
1.519441.7178237.455792e-08
1.526041.7177157.682850e-08
1.532671.7176077.910894e-08
1.539331.7174988.139928e-08
1.546011.7173888.369958e-08
1.552731.7172788.600987e-08
1.559481.7171688.833019e-08
1.566251.7170569.066059e-08
1.573051.7169449.300112e-08
1.579891.7168329.535182e-08
1.586751.7167199.771273e-08
1.593641.7166051.000839e-07
1.61.71651.022700e-07
1.600571.7164911.026770e-07
1.607521.7163761.076600e-07
1.61451.716261.126647e-07
1.621521.7161441.176912e-07
1.628561.7160271.227394e-07
1.635641.7159091.278096e-07
1.642741.7157911.329018e-07
1.649881.7156721.380162e-07
1.657051.7155521.431527e-07
1.664251.7154311.483116e-07
1.671481.715311.534929e-07
1.678741.7151881.586967e-07
1.686031.7150651.639231e-07
1.693351.7149421.691722e-07
1.700711.7148171.744441e-07
1.70811.7146921.797389e-07
1.715521.7145661.850568e-07
1.722971.714441.903977e-07
1.730461.7143121.957618e-07
1.737971.7141842.011492e-07
1.745521.7140542.065600e-07
1.753111.7139242.119944e-07
1.760721.7137932.174523e-07
1.768371.7136612.229340e-07
1.776051.7135282.284394e-07
1.783771.7133952.339688e-07
1.791521.713262.395222e-07
1.79931.7131242.450998e-07
1.81.7131122.456000e-07
1.807121.7129882.611644e-07
1.814971.712852.783292e-07
1.822851.7127122.955686e-07
1.830771.7125733.128829e-07
1.838731.7124323.302724e-07
1.846711.7122913.477374e-07
1.854741.7121483.652783e-07
1.862791.7120053.828955e-07
1.870891.711864.005891e-07
1.879011.7117144.183596e-07
1.887181.7115684.362073e-07
1.895371.711424.541326e-07
1.903611.7112714.721357e-07
1.911881.7111214.902171e-07
1.920181.710975.083769e-07
1.928531.7108175.266157e-07
1.93691.7106645.449337e-07
1.945321.7105095.633313e-07
1.953771.7103535.818088e-07
1.962261.7101966.003666e-07
1.970781.7100386.190050e-07
1.979341.7098786.377244e-07
1.987941.7097176.565251e-07
1.996581.7095556.754074e-07
21.7094916.828900e-07
2.005251.7093927.185286e-07
2.013961.7092277.776481e-07
2.022711.7090618.370245e-07
2.03151.7088948.966588e-07
2.040321.7087259.565522e-07
2.049191.7085551.016706e-06
2.058091.7083841.077121e-06

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
—