Optical constants

Refractive index of J-LASF05HS (HIKARI)

J-LASF05HS: 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
1.83481
Extinction coefficient k
3.28468e-08
Permittivity ε1
3.36651
Permittivity ε2
1.20535e-07
Absorption coefficient α
0.0070246 cm⁻¹
Penetration depth δ = λ/(2πk)
2.84714e+09 nm
Abbe number Vd
42.733
Chromatic dispersion dn/dλ
-0.0998792 µm⁻¹
Group index ng
1.8935
Group velocity dispersion
186.67 fs²/mm
Dispersion parameter D
-1018.38 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-LASF05HS (HIKARI): J-LASF05HS
mat = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASF05HS", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(mat.range_nm)  # (365.015, 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=3.27458352−0.013275214⁢λ2.0−0.000135438033⁢λ4.0+0.0311933067⁢λ−2.0+0.000711503841⁢λ−4.0+3.51334559×10-6⁢λ−6.0+1.88560229×10-6⁢λ−8.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C13.27458352
C2-0.013275214
C32.0
C4-0.000135438033
C54.0
C60.0311933067
C7-2.0
C80.000711503841
C9-4.0
C103.51334559e-06
C11-6.0
C121.88560229e-06
C13-8.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 3.0543e-06 1.1001e-08 -2.1e-12 6.9279e-07 6.3486e-10 0.22476
nd
1.834810
Vd
42.733437
density
value: 4790
thermal expansion
value: 5.5e-06, temperature range: 243 343
dPgF
-0.0079

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 3.23e-06 K⁻¹ at 633 nm, dn/dT = 2.18e-06 K⁻¹ at 1310 nm, dn/dT = 2.09e-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-LASF05HS (HIKARI), J-LASF05HS: n and k versus wavelength
λ (µm)nk
0.3650151.8853343.383268e-07
0.3666011.8845463.221303e-07
0.3681931.8837693.058635e-07
0.3697931.8830012.895261e-07
0.371.8829022.874100e-07
0.3713991.8822412.751788e-07
0.3730131.8814912.610756e-07
0.3746331.880752.469112e-07
0.3762611.8800182.326853e-07
0.3778951.8792942.183976e-07
0.3795371.8785792.040478e-07
0.381.878382.000000e-07
0.3811861.8778731.936149e-07
0.3828421.8771741.846976e-07
0.3845051.8764841.757415e-07
0.3861751.8758011.667465e-07
0.3878531.8751271.577124e-07
0.3895381.874461.486391e-07
0.391.8742791.461500e-07
0.391231.8738011.421217e-07
0.392931.873151.365555e-07
0.3946371.8725051.309652e-07
0.3963511.8718691.253505e-07
0.3980731.8712391.197115e-07
0.3998021.8706171.140480e-07
0.41.8705461.134000e-07
0.4015391.8700011.109216e-07
0.4032831.8693921.081125e-07
0.4050351.8687911.052911e-07
0.4067951.8681961.024575e-07
0.4085621.8676079.961161e-08
0.4103371.8670259.675333e-08
0.412121.8664499.388263e-08
0.413911.865889.099946e-08
0.4157081.8653178.810376e-08
0.4175141.864768.519549e-08
0.4193281.8642098.227458e-08
0.421.8640078.119200e-08
0.4211491.8636658.018092e-08
0.4229791.8631267.857153e-08
0.4248171.8625927.695516e-08
0.4266621.8620657.533176e-08
0.4285161.8615437.370132e-08
0.4303771.8610277.206378e-08
0.4322471.8605167.041914e-08
0.4341251.8600116.876735e-08
0.436011.8595116.710838e-08
0.4379051.8590176.544221e-08
0.4398071.8585276.376880e-08
0.441.8584786.359900e-08
0.4417181.8580436.288835e-08
0.4436371.8575646.209439e-08
0.4455641.857096.129699e-08
0.4474991.856626.049612e-08
0.4494431.8561565.969177e-08
0.4513961.8556965.888393e-08
0.4533571.8552425.807258e-08
0.4553261.8547925.725770e-08
0.4573041.8543465.643929e-08
0.4592911.8539055.561731e-08
0.461.8537495.532400e-08
0.4612861.8534695.473164e-08
0.463291.8530375.380882e-08
0.4653031.8526095.288200e-08
0.4673241.8521865.195115e-08
0.4693541.8517675.101626e-08
0.4713931.8513535.007731e-08
0.4734411.8509424.913428e-08
0.4754981.8505364.818715e-08
0.4775641.8501334.723591e-08
0.4796381.8497354.628053e-08
0.481.8496664.611400e-08
0.4817221.8493414.558663e-08
0.4838151.848954.494573e-08
0.4859171.8485644.430206e-08
0.4880271.8481814.365558e-08
0.4901481.8478024.300630e-08
0.4922771.8474274.235420e-08
0.4944151.8470554.169926e-08
0.4965631.8466884.104148e-08
0.4987211.8463234.038084e-08
0.51.846113.998900e-08
0.5008871.8459633.982500e-08
0.5030631.8456053.942270e-08
0.5052481.8452523.901866e-08
0.5074431.8449013.861287e-08
0.5096481.8445543.820531e-08
0.5118621.8442113.779598e-08
0.5140861.8438713.738487e-08
0.5163191.8435343.697198e-08
0.5185621.84323.655729e-08
0.5208151.8428693.614080e-08
0.5230771.8425423.572250e-08
0.5253491.8422173.530238e-08
0.5276321.8418963.488044e-08
0.5299241.8415783.445667e-08
0.5322261.8412633.403106e-08
0.5345381.840953.360359e-08
0.536861.8406413.317427e-08
0.5391931.8403343.274309e-08
0.5415351.8400313.231003e-08
0.5438871.839733.187509e-08
0.546251.8394323.143826e-08
0.5486231.8391373.099953e-08
0.551.8389673.074500e-08
0.5510071.8388443.080127e-08
0.55341.8385553.093508e-08
0.5558041.8382673.106947e-08
0.5582191.8379833.120444e-08
0.5606441.8377013.134000e-08
0.563081.8374223.147615e-08
0.5655261.8371453.161289e-08
0.5679821.8368713.175022e-08
0.570451.8365993.188815e-08
0.5729281.836333.202668e-08
0.5754171.8360633.216581e-08
0.5779171.8357983.230555e-08
0.5804271.8355363.244589e-08
0.5829491.8352763.258684e-08
0.5854811.8350193.272841e-08
0.5880251.8347643.287059e-08
0.5905791.8345113.301339e-08
0.5931451.834263.315680e-08
0.5957221.8340123.330085e-08
0.598311.8337663.344551e-08
0.61.8336063.354000e-08
0.6009091.8335213.330718e-08
0.6035191.8332793.263848e-08
0.6061411.833043.196687e-08
0.6087741.8328023.129234e-08
0.6114191.8325663.061489e-08
0.6140751.8323322.993449e-08
0.6167431.8321012.925113e-08
0.6194221.8318712.856481e-08
0.6221131.8316432.787550e-08
0.6248161.8314182.718321e-08
0.627531.8311942.648790e-08
0.6302561.8309722.578957e-08
0.6329941.8307522.508821e-08
0.6357441.8305342.438380e-08
0.6385061.8303172.367633e-08
0.641281.8301032.296579e-08
0.6440661.829892.225216e-08
0.6468641.8296792.153544e-08
0.6496741.829472.081559e-08
0.651.8294462.073200e-08
0.6524961.8292631.997527e-08
0.6553311.8290571.911589e-08
0.6581781.8288531.825278e-08
0.6610371.828651.738591e-08
0.6639081.828451.651528e-08
0.6667931.8282511.564087e-08
0.6696891.8280531.476266e-08
0.6725991.8278571.388063e-08
0.6755211.8276631.299478e-08
0.6784551.827471.210507e-08
0.6814031.8272791.121150e-08
0.6843631.8270891.031405e-08
0.6873361.8269019.412693e-09
0.6903221.8267158.507426e-09
0.6933211.8265297.598226e-09
0.6963331.8263466.685076e-09
0.6993581.8261635.767959e-09
0.71.8261255.573200e-09
0.7023961.8259825.592275e-09
0.7054471.8258035.616570e-09
0.7085121.8256255.640971e-09
0.711591.8254485.665477e-09
0.7146811.8252735.690090e-09
0.7177861.8250995.714810e-09
0.7209041.8249265.739638e-09
0.7240361.8247545.764573e-09
0.7271811.8245845.789616e-09
0.730341.8244155.814769e-09
0.7335131.8242485.840030e-09
0.73671.8240815.865402e-09
0.73991.8239165.890883e-09
0.7431141.8237525.916475e-09
0.7463421.823595.942179e-09
0.7495851.8234285.967994e-09
0.7528411.8232685.993921e-09
0.7561121.8231096.019961e-09
0.7593961.8229516.046114e-09
0.7626951.8227946.072381e-09
0.7660091.8226386.098761e-09
0.7693361.8224836.125257e-09
0.7726791.8223296.151867e-09
0.7760351.8221776.178593e-09
0.7794071.8220256.205435e-09
0.7827931.8218756.232394e-09
0.7861931.8217256.259470e-09
0.7896091.8215776.286663e-09
0.7930391.8214296.313975e-09
0.7964841.8212836.341405e-09
0.7999441.8211376.368955e-09
0.81.8211356.369400e-09
0.8034191.8209936.396624e-09
0.8069091.8208496.424413e-09
0.8104151.8207076.452323e-09
0.8139351.8205656.480354e-09
0.8174711.8204246.508507e-09
0.8210231.8202846.536783e-09
0.8245891.8201456.565181e-09
0.8281721.8200076.593702e-09
0.8317691.819876.622348e-09
0.8353831.8197346.651118e-09
0.8390121.8195986.680013e-09
0.8426571.8194636.709033e-09
0.8463171.819336.738179e-09
0.8499941.8191966.767453e-09
0.8536871.8190646.796853e-09
0.8573951.8189336.826381e-09
0.861121.8188026.856037e-09
0.8648611.8186726.885822e-09
0.8686181.8185436.915737e-09
0.8723911.8184146.945781e-09
0.8761811.8182866.975956e-09
0.8799881.8181597.006262e-09
0.8838111.8180337.036700e-09
0.887651.8179077.067270e-09
0.8915061.8177827.097972e-09
0.8953791.8176587.128809e-09
0.8992691.8175347.159779e-09
0.91.8175117.165600e-09
0.9031751.8174117.443945e-09
0.9070991.8172897.787865e-09
0.911041.8171678.133279e-09
0.9149981.8170468.480193e-09
0.9189721.8169268.828615e-09
0.9229651.8168069.178550e-09
0.9269741.8166879.530005e-09
0.9310011.8165689.882987e-09
0.9350461.816451.023750e-08
0.9391081.8163321.059356e-08
0.9431881.8162151.095116e-08
0.9472851.8160991.131032e-08
0.95141.8159831.167103e-08
0.9555331.8158671.203332e-08
0.9596841.8157531.239717e-08
0.9638531.8156381.276261e-08
0.9680411.8155241.312964e-08
0.9722461.8154111.349826e-08
0.976471.8152981.386848e-08
0.9807121.8151851.424031e-08
0.9849721.8150731.461375e-08
0.9892511.8149621.498882e-08
0.9935491.8148511.536551e-08
0.9978651.814741.574385e-08
11.8146851.593100e-08
1.00221.814631.607135e-08
1.006551.814521.634912e-08
1.010931.814411.662810e-08
1.015321.8143011.690829e-08
1.019731.8141921.718970e-08
1.024161.8140841.747233e-08
1.028611.8139761.775619e-08
1.033081.8138681.804128e-08
1.037561.8137611.832761e-08
1.042071.8136541.861518e-08
1.04661.8135471.890400e-08
1.051151.8134411.919408e-08
1.055711.8133351.948542e-08
1.06031.8132291.977802e-08
1.06491.8131242.007190e-08
1.069531.8130192.036705e-08
1.074181.8129142.066348e-08
1.078841.8128092.096120e-08
1.083531.8127052.126022e-08
1.088241.8126012.156053e-08
1.092961.8124972.186215e-08
1.097711.8123942.216508e-08
1.102481.812292.246932e-08
1.107271.8121872.277489e-08
1.112081.8120842.308178e-08
1.116911.8119812.339001e-08
1.121761.8118792.369957e-08
1.126641.8117762.401048e-08
1.131531.8116742.432274e-08
1.136451.8115722.463636e-08
1.141381.811472.495134e-08
1.146341.8113692.526769e-08
1.151321.8112672.558541e-08
1.156321.8111662.590452e-08
1.161351.8110642.622501e-08
1.166391.8109632.654689e-08
1.171461.8108622.687017e-08
1.176551.8107612.719485e-08
1.181661.810662.752095e-08
1.186791.8105592.784846e-08
1.191951.8104582.817739e-08
1.197131.8103582.850776e-08
1.21.8103022.869100e-08
1.202331.8102572.913754e-08
1.207551.8101563.013922e-08
1.21281.8100563.114525e-08
1.218071.8099553.215565e-08
1.223361.8098553.317044e-08
1.228671.8097543.418964e-08
1.234011.8096543.521326e-08
1.239371.8095533.624134e-08
1.244751.8094533.727388e-08
1.250161.8093523.831090e-08
1.255591.8092523.935243e-08
1.261051.8091514.039848e-08
1.266531.8090514.144908e-08
1.272031.808954.250425e-08
1.277551.8088494.356399e-08
1.28311.8087484.462834e-08
1.288681.8086484.569732e-08
1.294281.8085474.677093e-08
1.29991.8084464.784922e-08
1.305551.8083454.893218e-08
1.311221.8082435.001985e-08
1.316911.8081425.111225e-08
1.322641.808045.220939e-08
1.328381.8079395.331130e-08
1.334151.8078375.441799e-08
1.339951.8077355.552950e-08
1.345771.8076335.664583e-08
1.351621.8075315.776701e-08
1.357491.8074295.889306e-08
1.363381.8073266.002400e-08
1.369311.8072236.115986e-08
1.375261.807126.230065e-08
1.381231.8070176.344640e-08
1.387231.8069146.459712e-08
1.393261.806816.575285e-08
1.399311.8067066.691359e-08
1.41.8066946.704600e-08
1.405391.8066026.868717e-08
1.411491.8064987.054667e-08
1.417631.8063937.241425e-08
1.423781.8062887.428995e-08
1.429971.8061837.617379e-08
1.436181.8060787.806581e-08
1.442421.8059727.996606e-08
1.448691.8058668.187456e-08
1.454981.805768.379135e-08
1.46131.8056538.571647e-08
1.467651.8055468.764995e-08
1.474031.8054388.959183e-08
1.480431.8053319.154215e-08
1.486861.8052239.350094e-08
1.493321.8051149.546824e-08
1.499811.8050069.744408e-08
1.506321.8048969.942851e-08
1.512871.8047871.014216e-07
1.519441.8046771.034233e-07
1.526041.8045661.054337e-07
1.532671.8044561.074528e-07
1.539331.8043441.094807e-07
1.546011.8042331.115174e-07
1.552731.8041211.135630e-07
1.559481.8040081.156175e-07
1.566251.8038951.176808e-07
1.573051.8037811.197532e-07
1.579891.8036671.218345e-07
1.586751.8035531.239249e-07
1.593641.8034381.260244e-07
1.61.8033321.279600e-07
1.600571.8033221.281701e-07
1.607521.8032061.307425e-07
1.61451.8030891.333260e-07
1.621521.8029721.359207e-07
1.628561.8028551.385268e-07
1.635641.8027361.411441e-07
1.642741.8026171.437728e-07
1.649881.8024981.464129e-07
1.657051.8023781.490645e-07
1.664251.8022571.517277e-07
1.671481.8021361.544024e-07
1.678741.8020141.570887e-07
1.686031.8018921.597867e-07
1.693351.8017681.624964e-07
1.700711.8016441.652178e-07
1.70811.801521.679511e-07
1.715521.8013951.706963e-07
1.722971.8012691.734534e-07
1.730461.8011421.762225e-07
1.737971.8010151.790036e-07
1.745521.8008871.817967e-07
1.753111.8007581.846021e-07
1.760721.8006281.874196e-07
1.768371.8004981.902493e-07
1.776051.8003671.930914e-07
1.783771.8002351.959457e-07
1.791521.8001031.988125e-07
1.79931.7999692.016918e-07
1.81.7999572.019500e-07
1.807121.7998352.161191e-07
1.814971.79972.317452e-07
1.822851.7995642.474392e-07
1.830771.7994272.632014e-07
1.838731.7992892.790321e-07
1.846711.7991512.949315e-07
1.854741.7990113.109000e-07
1.862791.7988713.269379e-07
1.870891.798733.430454e-07
1.879011.7985873.592229e-07
1.887181.7984443.754707e-07
1.895371.79833.917891e-07
1.903611.7981554.081784e-07
1.911881.7980094.246388e-07
1.920181.7978624.411708e-07
1.928531.7977144.577746e-07
1.93691.7975654.744505e-07
1.945321.7974154.911989e-07
1.953771.7972645.080201e-07
1.962261.7971115.249143e-07
1.970781.7969585.418819e-07
1.979341.7968045.589232e-07
1.987941.7966485.760385e-07
1.996581.7964925.932282e-07
21.7964296.000400e-07
2.005251.7963346.301712e-07
2.013961.7961756.801548e-07
2.022711.7960157.303556e-07
2.03151.7958547.807744e-07
2.040321.7956918.314122e-07
2.049191.7955288.822700e-07
2.058091.7953639.333488e-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
—