Optical constants

Refractive index of J-F1 (HIKARI)

J-F1: 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
1.62588
Extinction coefficient k
2.81403e-08
Permittivity ε1
2.64347
Permittivity ε2
9.15053e-08
Absorption coefficient α
0.00601806 cm⁻¹
Penetration depth δ = λ/(2πk)
3.32333e+09 nm
Abbe number Vd
35.722
Chromatic dispersion dn/dλ
-0.0886908 µm⁻¹
Group index ng
1.67799
Group velocity dispersion
172.777 fs²/mm
Dispersion parameter D
-942.593 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-F1 (HIKARI): J-F1
hikari_j_f1 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-F1", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_f1.range_nm)  # (388.865, 2058.09) nm
eps = hikari_j_f1.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=2.57291645−0.010421051⁢λ2.0−0.000102025424⁢λ4.0+0.0237163029⁢λ−2.0+0.000442698668⁢λ−4.0+9.19547318×10-5⁢λ−6.0−8.93128864×10-6⁢λ−8.0+7.90992496×10-7⁢λ−10.0

Valid from 0.388865 to 2.05809 µm.

Coefficients as stored
CiValue
C12.57291645
C2-0.010421051
C32.0
C4-0.000102025424
C54.0
C60.0237163029
C7-2.0
C80.000442698668
C9-4.0
C109.19547318e-05
C11-6.0
C12-8.93128864e-06
C13-8.0
C147.90992496e-07
C15-10.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 5.2786e-07 1.702e-08 -1.3711e-12 7.9894e-07 1.0916e-09 0.26542
nd
1.625880
Vd
35.722376
density
value: 2690
thermal expansion
value: 8.1e-06, temperature range: 243 343
dPgF
0.0044
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 1.48e-06 K⁻¹ at 633 nm, dn/dT = 4.96e-07 K⁻¹ at 1310 nm, dn/dT = 4.24e-07 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-F1 (HIKARI), J-F1: n and k versus wavelength
λ (µm)nk
0.3888651.6634464.504382e-07
0.391.6629953.967300e-07
0.3904921.6628013.867270e-07
0.3921271.6621663.535269e-07
0.3937681.6615393.201880e-07
0.3954151.660922.867095e-07
0.397071.660312.530909e-07
0.3987321.6597082.193316e-07
0.41.6592561.935700e-07
0.4004011.6591151.913190e-07
0.4020761.6585291.819037e-07
0.4037591.6579511.724490e-07
0.4054491.6573811.629547e-07
0.4071451.6568181.534207e-07
0.4088491.6562621.438468e-07
0.410561.6557141.342328e-07
0.4122781.6551721.245787e-07
0.4140041.6546381.148841e-07
0.4157361.654111.051489e-07
0.4174761.6535899.537298e-08
0.4192231.6530748.555616e-08
0.421.6528488.119200e-08
0.4209781.6525667.980984e-08
0.4227391.6520647.731932e-08
0.4245091.6515697.481839e-08
0.4262851.6510797.230699e-08
0.4280691.6505956.978507e-08
0.4298611.6501176.725261e-08
0.431661.6496456.470954e-08
0.4334661.6491796.215584e-08
0.435281.6487185.959144e-08
0.4371021.6482635.701632e-08
0.4389311.6478135.443041e-08
0.441.6475535.291900e-08
0.4407681.6473685.258400e-08
0.4426121.6469295.177912e-08
0.4444651.6464945.097086e-08
0.4463251.6460655.015923e-08
0.4481931.645644.934420e-08
0.4500681.6452214.852576e-08
0.4519521.6448064.770389e-08
0.4538431.6443964.687859e-08
0.4557421.643994.604983e-08
0.457651.6435894.521760e-08
0.4595651.6431934.438189e-08
0.461.6431044.419200e-08
0.4614881.6428014.376024e-08
0.4634191.6424134.319987e-08
0.4653591.642034.263716e-08
0.4673061.6416514.207210e-08
0.4692621.6412764.150467e-08
0.4712261.6409054.093486e-08
0.4731981.6405384.036268e-08
0.4751781.6401763.978809e-08
0.4771671.6398173.921110e-08
0.4791641.6394623.863170e-08
0.481.6393153.838900e-08
0.4811691.639113.801323e-08
0.4831821.6387633.736584e-08
0.4852051.6384193.671574e-08
0.4872351.6380793.606292e-08
0.4892741.6377423.540737e-08
0.4913221.6374093.474907e-08
0.4933781.637083.408802e-08
0.4954431.6367543.342421e-08
0.4975161.6364313.275761e-08
0.4995981.6361123.208823e-08
0.51.6360513.195900e-08
0.5016891.6357963.176921e-08
0.5037881.6354833.153326e-08
0.5058971.6351733.129633e-08
0.5080141.6348673.105841e-08
0.510141.6345643.081949e-08
0.5122751.6342633.057957e-08
0.5144191.6339663.033864e-08
0.5165711.6336723.009671e-08
0.5187331.6333812.985377e-08
0.5209041.6330932.960981e-08
0.5230841.6328072.936482e-08
0.5252731.6325242.911882e-08
0.5274711.6322452.887178e-08
0.5296791.6319682.862371e-08
0.5318951.6316932.837460e-08
0.5341211.6314222.812445e-08
0.5363571.6311532.787325e-08
0.5386011.6308862.762100e-08
0.5408551.6306232.736769e-08
0.5431191.6303622.711333e-08
0.5453921.6301032.685790e-08
0.5476741.6298472.660140e-08
0.5499661.6295932.634383e-08
0.551.6295892.634000e-08
0.5522681.6293422.644857e-08
0.5545791.6290932.655923e-08
0.55691.6288462.667035e-08
0.559231.6286022.678194e-08
0.561571.628362.689400e-08
0.5639211.6281212.700652e-08
0.5662811.6278832.711951e-08
0.568651.6276482.723298e-08
0.571031.6274152.734693e-08
0.573421.6271852.746135e-08
0.575821.6269562.757624e-08
0.5782291.6267292.769162e-08
0.5806491.6265052.780749e-08
0.5830791.6262832.792383e-08
0.5855191.6260622.804067e-08
0.587971.6258442.815799e-08
0.590431.6256282.827580e-08
0.5929011.6254132.839411e-08
0.5953821.6252012.851291e-08
0.5978741.624992.863221e-08
0.61.6248132.873400e-08
0.6003761.6247812.875202e-08
0.6028891.6245752.887237e-08
0.6054121.624372.899322e-08
0.6079451.6241672.911458e-08
0.610491.6239652.923645e-08
0.6130441.6237662.935883e-08
0.615611.6235682.948172e-08
0.6181861.6233722.960512e-08
0.6207731.6231772.972904e-08
0.6233711.6229852.985348e-08
0.625981.6227942.997844e-08
0.62861.6226043.010392e-08
0.631231.6224173.022993e-08
0.6338721.622233.035647e-08
0.6365251.6220463.048353e-08
0.6391881.6218633.061113e-08
0.6418631.6216823.073926e-08
0.644551.6215023.086792e-08
0.6472471.6213233.099713e-08
0.6499561.6211463.112687e-08
0.651.6211443.112900e-08
0.6526761.6209713.095738e-08
0.6554071.6207973.078219e-08
0.658151.6206253.060627e-08
0.6609041.6204543.042961e-08
0.663671.6202843.025220e-08
0.6664471.6201163.007406e-08
0.6692361.6199492.989517e-08
0.6720371.6197832.971554e-08
0.674851.6196192.953515e-08
0.6776741.6194562.935400e-08
0.680511.6192942.917210e-08
0.6833581.6191342.898944e-08
0.6862171.6189752.880601e-08
0.6890891.6188172.862181e-08
0.6919731.6186612.843685e-08
0.6948691.6185062.825111e-08
0.6977771.6183522.806459e-08
0.71.6182352.792200e-08
0.7006971.6181992.812855e-08
0.7036291.6180472.899750e-08
0.7065741.6178972.987008e-08
0.7095311.6177473.074632e-08
0.71251.6175993.162622e-08
0.7154821.6174523.250981e-08
0.7184761.6173063.339709e-08
0.7214831.6171613.428809e-08
0.7245021.6170173.518281e-08
0.7275341.6168753.608128e-08
0.7305791.6167333.698351e-08
0.7336371.6165923.788952e-08
0.7367071.6164533.879931e-08
0.739791.6163143.971292e-08
0.7428861.6161774.063034e-08
0.7459951.616044.155161e-08
0.7491171.6159054.247673e-08
0.7522521.615774.340573e-08
0.75541.6156374.433861e-08
0.7585611.6155044.527540e-08
0.7617361.6153724.621610e-08
0.7649231.6152414.716074e-08
0.7681251.6151124.810934e-08
0.7713391.6149834.906191e-08
0.7745671.6148545.001846e-08
0.7778091.6147275.097901e-08
0.7810641.6146015.194359e-08
0.7843321.6144755.291220e-08
0.7876151.6143515.388487e-08
0.7909111.6142275.486160e-08
0.7942211.6141045.584243e-08
0.7975441.6139825.682736e-08
0.81.6138925.755500e-08
0.8008821.613865.723710e-08
0.8042341.6137395.602927e-08
0.8075991.613625.481639e-08
0.8109791.6135015.359843e-08
0.8143731.6133825.237538e-08
0.8177811.6132655.114720e-08
0.8212041.6131484.991389e-08
0.824641.6130324.867541e-08
0.8280911.6129164.743176e-08
0.8315571.6128024.618289e-08
0.8350371.6126884.492880e-08
0.8385311.6125744.366947e-08
0.8420411.6124624.240486e-08
0.8455641.612354.113496e-08
0.8491031.6122383.985975e-08
0.8526561.6121283.857919e-08
0.8562251.6120183.729328e-08
0.8598081.6119083.600199e-08
0.8634061.61183.470530e-08
0.867021.6116923.340318e-08
0.8706481.6115843.209561e-08
0.8742921.6114773.078256e-08
0.877951.6113712.946402e-08
0.8816251.6112652.813997e-08
0.8853141.611162.681037e-08
0.8890191.6110552.547521e-08
0.892741.6109512.413446e-08
0.8964761.6108472.278810e-08
0.91.610752.151800e-08
0.9002271.6107442.152343e-08
0.9039951.6106422.161351e-08
0.9077781.610542.170397e-08
0.9115771.6104382.179480e-08
0.9153921.6103372.188601e-08
0.9192231.6102372.197761e-08
0.9230691.6101372.206959e-08
0.9269321.6100372.216195e-08
0.9308121.6099382.225470e-08
0.9347071.609842.234784e-08
0.9386191.6097412.244137e-08
0.9425471.6096442.253529e-08
0.9464911.6095462.262960e-08
0.9504521.609452.272431e-08
0.954431.6093532.281941e-08
0.9584241.6092572.291491e-08
0.9624351.6091612.301082e-08
0.9664631.6090662.310712e-08
0.9705071.6089712.320382e-08
0.9745691.6088772.330094e-08
0.9786471.6087832.339845e-08
0.9827431.6086892.349638e-08
0.9868551.6085962.359471e-08
0.9909851.6085032.369346e-08
0.9951321.608412.379262e-08
0.9992971.6083182.389219e-08
11.6083022.390900e-08
1.003481.6082262.365929e-08
1.007681.6081342.335788e-08
1.01191.6080432.305520e-08
1.016131.6079522.275126e-08
1.020381.6078612.244604e-08
1.024651.607772.213955e-08
1.028941.607682.183177e-08
1.033251.607592.152271e-08
1.037571.6075012.121235e-08
1.041911.6074112.090069e-08
1.046271.6073222.058773e-08
1.050651.6072332.027346e-08
1.055051.6071451.995788e-08
1.059461.6070571.964097e-08
1.06391.6069681.932274e-08
1.068351.606881.900317e-08
1.072821.6067931.868227e-08
1.077311.6067051.836003e-08
1.081821.6066181.803643e-08
1.086351.6065311.771149e-08
1.090891.6064441.738518e-08
1.095461.6063571.705751e-08
1.100041.6062711.672846e-08
1.104651.6061841.639804e-08
1.109271.6060981.606624e-08
1.113911.6060121.573305e-08
1.118571.6059261.539846e-08
1.123251.605841.506247e-08
1.127961.6057551.472508e-08
1.132681.6056691.438627e-08
1.137421.6055841.404605e-08
1.142181.6054991.370441e-08
1.146961.6054141.336133e-08
1.151761.6053281.301682e-08
1.156581.6052441.267086e-08
1.161421.6051591.232346e-08
1.166281.6050741.197461e-08
1.171161.6049891.162429e-08
1.176061.6049051.127251e-08
1.180981.604821.091925e-08
1.185921.6047361.056452e-08
1.190891.6046511.020831e-08
1.195871.6045679.850598e-09
1.21.6044979.554100e-09
1.200871.6044821.005067e-08
1.20591.6043981.290710e-08
1.210951.6043141.577548e-08
1.216011.6042291.865587e-08
1.22111.6041452.154831e-08
1.226211.6040612.445286e-08
1.231341.6039772.736956e-08
1.23651.6038923.029847e-08
1.241671.6038083.323964e-08
1.246871.6037243.619311e-08
1.252091.6036393.915894e-08
1.257331.6035554.213719e-08
1.262591.603474.512790e-08
1.267871.6033864.813112e-08
1.273181.6033025.114692e-08
1.278511.6032175.417533e-08
1.283861.6031325.721642e-08
1.289231.6030486.027024e-08
1.294621.6029636.333683e-08
1.300041.6028786.641626e-08
1.305481.6027936.950857e-08
1.310951.6027087.261383e-08
1.316431.6026237.573208e-08
1.321941.6025377.886339e-08
1.327471.6024528.200779e-08
1.333031.6023678.516536e-08
1.338611.6022818.833614e-08
1.344211.6021959.152018e-08
1.349841.6021099.471756e-08
1.355481.6020239.792831e-08
1.361161.6019371.011525e-07
1.366851.6018511.043902e-07
1.372571.6017641.076414e-07
1.378321.6016771.109063e-07
1.384091.601591.141848e-07
1.389881.6015031.174770e-07
1.395691.6014161.207830e-07
1.41.6013511.232300e-07
1.401541.6013281.234640e-07
1.40741.6012411.243579e-07
1.413291.6011531.252555e-07
1.419211.6010651.261569e-07
1.425141.6009761.270620e-07
1.431111.6008881.279710e-07
1.43711.6007991.288837e-07
1.443111.600711.298003e-07
1.449151.600621.307207e-07
1.455221.6005311.316449e-07
1.461311.6004411.325730e-07
1.467421.600351.335050e-07
1.473561.600261.344409e-07
1.479731.6001691.353807e-07
1.485921.6000781.363245e-07
1.492141.5999871.372722e-07
1.498381.5998951.382238e-07
1.504661.5998031.391795e-07
1.510951.5997111.401391e-07
1.517281.5996181.411028e-07
1.523631.5995251.420705e-07
1.531.5994321.430422e-07
1.53641.5993381.440180e-07
1.542831.5992441.449979e-07
1.549291.5991491.459819e-07
1.555771.5990551.469700e-07
1.562291.5989591.479623e-07
1.568821.5988641.489586e-07
1.575391.5987681.499592e-07
1.581981.5986711.509640e-07
1.58861.5985741.519729e-07
1.595251.5984771.529861e-07
1.61.5984081.537100e-07
1.601931.5983791.567162e-07
1.608631.5982811.671794e-07
1.615361.5981831.776863e-07
1.622121.5980841.882373e-07
1.628911.5979841.988324e-07
1.635731.5978842.094718e-07
1.642571.5977842.201558e-07
1.649451.5976832.308844e-07
1.656351.5975812.416580e-07
1.663281.5974792.524766e-07
1.670241.5973772.633406e-07
1.677231.5972742.742500e-07
1.684251.597172.852050e-07
1.69131.5970662.962059e-07
1.698381.5969623.072528e-07
1.705491.5968573.183460e-07
1.712621.5967513.294856e-07
1.719791.5966453.406718e-07
1.726991.5965383.519048e-07
1.734211.596433.631849e-07
1.741471.5963223.745121e-07
1.748761.5962143.858867e-07
1.756081.5961053.973090e-07
1.763431.5959954.087790e-07
1.770811.5958844.202971e-07
1.778221.5957734.318633e-07
1.785661.5956614.434779e-07
1.793131.5955494.551412e-07
1.81.5954454.658600e-07
1.800641.5954364.669753e-07
1.808171.5953224.801813e-07
1.815741.5952074.934426e-07
1.823341.5950925.067594e-07
1.830971.5949765.201319e-07
1.838631.594865.335604e-07
1.846331.5947435.470450e-07
1.854051.5946255.605861e-07
1.861811.5945065.741839e-07
1.86961.5943865.878386e-07
1.877431.5942666.015504e-07
1.885281.5941456.153196e-07
1.893171.5940236.291464e-07
1.90111.59396.430311e-07
1.909051.5937776.569739e-07
1.917041.5936536.709751e-07
1.925061.5935276.850348e-07
1.933121.5934026.991534e-07
1.941211.5932757.133311e-07
1.949331.5931477.275681e-07
1.957491.5930197.418647e-07
1.965681.5928897.562211e-07
1.973911.5927597.706376e-07
1.982171.5926287.851144e-07
1.990471.5924967.996518e-07
1.99881.5923638.142500e-07
21.5923448.163600e-07
2.007161.5922298.744251e-07
2.015561.5920949.425367e-07
2.0241.5919581.010933e-06
2.032471.5918211.079616e-06
2.040971.5916841.148587e-06
2.049511.5915451.217846e-06
2.058091.5914051.287394e-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
—