Optical constants

Refractive index of J-F5 (HIKARI)

J-F5: 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
1.60342
Extinction coefficient k
1.87414e-08
Permittivity ε1
2.57095
Permittivity ε2
6.01007e-08
Absorption coefficient α
0.00400803 cm⁻¹
Penetration depth δ = λ/(2πk)
4.98998e+09 nm
Abbe number Vd
38.028
Chromatic dispersion dn/dλ
-0.0805162 µm⁻¹
Group index ng
1.65073
Group velocity dispersion
155.105 fs²/mm
Dispersion parameter D
-846.179 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-F5 (HIKARI): J-F5
hikari_j_f5 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-F5", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_f5.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_f5.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=2.50730433−0.0096392024⁢λ2.0−0.000108925344⁢λ4.0+0.021773033⁢λ−2.0+0.0002157139⁢λ−4.0+0.000115184205⁢λ−6.0−1.21949895×10-5⁢λ−8.0+8.47741632×10-7⁢λ−10.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C12.50730433
C2-0.0096392024
C32.0
C4-0.000108925344
C54.0
C60.021773033
C7-2.0
C80.0002157139
C9-4.0
C100.000115184205
C11-6.0
C12-1.21949895e-05
C13-8.0
C148.47741632e-07
C15-10.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 6.0297e-07 1.2557e-08 -1.8588e-12 7.9553e-07 9.2609e-10 0.25003
nd
1.603420
Vd
38.028464
density
value: 2630
thermal expansion
value: 7.7e-06, temperature range: 243 343
dPgF
0.0024
resistance
phosphate: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 1.44e-06 K⁻¹ at 633 nm, dn/dT = 5.15e-07 K⁻¹ at 1310 nm, dn/dT = 4.46e-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 421 wavelengths, the same grid as the API and the library
J-F5 (HIKARI), J-F5: n and k versus wavelength
λ (µm)nk
0.3650151.6467483.215351e-06
0.3666011.6460142.702754e-06
0.3681931.6452912.187931e-06
0.3697931.6445791.670871e-06
0.371.6444881.603900e-06
0.3713991.6438781.484600e-06
0.3730131.6431881.347043e-06
0.3746331.6425091.208888e-06
0.3762611.641841.070132e-06
0.3778951.641189.307744e-07
0.3795371.6405317.908109e-07
0.381.640357.513300e-07
0.3811861.6398917.051274e-07
0.3828421.639266.406013e-07
0.3845051.6386395.757948e-07
0.3861751.6380265.107068e-07
0.3878531.6374224.453361e-07
0.3895381.6368263.796814e-07
0.391.6366653.616700e-07
0.391231.6362393.405778e-07
0.392931.635663.114331e-07
0.3946371.6350892.821619e-07
0.3963511.6345262.527634e-07
0.3980731.633972.232373e-07
0.3998021.6334221.935829e-07
0.41.633361.901900e-07
0.4015391.6328811.823303e-07
0.4032831.6323481.734216e-07
0.4050351.6318211.644742e-07
0.4067951.6313011.554879e-07
0.4085621.6307881.464625e-07
0.4103371.6302821.373980e-07
0.412121.6297821.282941e-07
0.413911.6292891.191506e-07
0.4157081.6288021.099674e-07
0.4175141.6283211.007444e-07
0.4193281.6278469.148121e-08
0.421.6276728.804800e-08
0.4211491.6273778.684795e-08
0.4229791.6269148.493779e-08
0.4248171.6264568.301933e-08
0.4266621.6260048.109253e-08
0.4285161.6255587.915736e-08
0.4303771.6251177.721379e-08
0.4322471.6246827.526177e-08
0.4341251.6242517.330127e-08
0.436011.6238267.133226e-08
0.4379051.6234066.935469e-08
0.4398071.6229916.736853e-08
0.441.6229496.716700e-08
0.4417181.622586.583097e-08
0.4436371.6221756.433833e-08
0.4455641.6217746.283921e-08
0.4474991.6213786.133358e-08
0.4494431.6209875.982141e-08
0.4513961.62065.830267e-08
0.4533571.6202175.677733e-08
0.4553261.6198395.524536e-08
0.4573041.6194655.370674e-08
0.4592911.6190955.216143e-08
0.461.6189655.161000e-08
0.4612861.618735.075966e-08
0.463291.6183694.943496e-08
0.4653031.6180114.810450e-08
0.4673241.6176584.676826e-08
0.4693541.6173094.542622e-08
0.4713931.6169634.407835e-08
0.4734411.6166214.272462e-08
0.4754981.6162834.136502e-08
0.4775641.6159493.999950e-08
0.4796381.6156183.862805e-08
0.481.6155613.838900e-08
0.4817221.6152913.749018e-08
0.4838151.6149683.639789e-08
0.4859171.6146483.530086e-08
0.4880271.6143313.419905e-08
0.4901481.6140183.309246e-08
0.4922771.6137083.198107e-08
0.4944151.6134013.086484e-08
0.4965631.6130982.974377e-08
0.4987211.6127982.861783e-08
0.51.6126222.795000e-08
0.5008871.6125012.776535e-08
0.5030631.6122072.731240e-08
0.5052481.6119162.685748e-08
0.5074431.6116282.640058e-08
0.5096481.6113432.594171e-08
0.5118621.6110622.548083e-08
0.5140861.6107832.501796e-08
0.5163191.6105062.455307e-08
0.5185621.6102332.408617e-08
0.5208151.6099632.361724e-08
0.5230771.6096952.314626e-08
0.5253491.609432.267325e-08
0.5276321.6091672.219818e-08
0.5299241.6089082.172104e-08
0.5322261.6086512.124183e-08
0.5345381.6083962.076054e-08
0.536861.6081442.027716e-08
0.5391931.6078941.979168e-08
0.5415351.6076471.930409e-08
0.5438871.6074031.881439e-08
0.546251.6071611.832255e-08
0.5486231.6069211.782858e-08
0.551.6067831.754200e-08
0.5510071.6066831.757411e-08
0.55341.6064481.765047e-08
0.5558041.6062151.772716e-08
0.5582191.6059851.780419e-08
0.5606441.6057561.788154e-08
0.563081.605531.795924e-08
0.5655261.6053061.803727e-08
0.5679821.6050841.811564e-08
0.570451.6048641.819435e-08
0.5729281.6046471.827341e-08
0.5754171.6044311.835280e-08
0.5779171.6042171.843255e-08
0.5804271.6040061.851263e-08
0.5829491.6037961.859307e-08
0.5854811.6035881.867386e-08
0.5880251.6033831.875499e-08
0.5905791.6031791.883648e-08
0.5931451.6029771.891832e-08
0.5957221.6027771.900052e-08
0.598311.6025791.908308e-08
0.61.6024511.913700e-08
0.6009091.6023821.926045e-08
0.6035191.6021881.961500e-08
0.6061411.6019951.997110e-08
0.6087741.6018042.032874e-08
0.6114191.6016142.068794e-08
0.6140751.6014272.104870e-08
0.6167431.6012412.141102e-08
0.6194221.6010562.177492e-08
0.6221131.6008742.214040e-08
0.6248161.6006922.250747e-08
0.627531.6005132.287613e-08
0.6302561.6003352.324640e-08
0.6329941.6001592.361827e-08
0.6357441.5999842.399176e-08
0.6385061.5998112.436687e-08
0.641281.5996392.474361e-08
0.6440661.5994682.512199e-08
0.6468641.59932.550201e-08
0.6496741.5991322.588368e-08
0.651.5991132.592800e-08
0.6524961.5989662.602754e-08
0.6553311.5988022.614058e-08
0.6581781.5986392.625412e-08
0.6610371.5984772.636815e-08
0.6639081.5983162.648267e-08
0.6667931.5981572.659769e-08
0.6696891.5979992.671321e-08
0.6725991.5978432.682923e-08
0.6755211.5976882.694576e-08
0.6784551.5975342.706279e-08
0.6814031.5973812.718033e-08
0.6843631.597232.729839e-08
0.6873361.597082.741695e-08
0.6903221.5969312.753603e-08
0.6933211.5967832.765563e-08
0.6963331.5966362.777574e-08
0.6993581.5964912.789638e-08
0.71.596462.792200e-08
0.7023961.5963472.817092e-08
0.7054471.5962042.848796e-08
0.7085121.5960622.880637e-08
0.711591.5959212.912617e-08
0.7146811.5957812.944736e-08
0.7177861.5956422.976994e-08
0.7209041.5955053.009393e-08
0.7240361.5953683.041932e-08
0.7271811.5952323.074612e-08
0.730341.5950983.107435e-08
0.7335131.5949643.140400e-08
0.73671.5948323.173508e-08
0.73991.59473.206760e-08
0.7431141.594573.240157e-08
0.7463421.594443.273698e-08
0.7495851.5943123.307386e-08
0.7528411.5941843.341219e-08
0.7561121.5940573.375200e-08
0.7593961.5939313.409328e-08
0.7626951.5938063.443605e-08
0.7660091.5936823.478030e-08
0.7693361.5935593.512605e-08
0.7726791.5934373.547331e-08
0.7760351.5933153.582207e-08
0.7794071.5931953.617234e-08
0.7827931.5930753.652414e-08
0.7861931.5929563.687747e-08
0.7896091.5928383.723233e-08
0.7930391.592723.758873e-08
0.7964841.5926043.794668e-08
0.7999441.5924883.830619e-08
0.81.5924863.831200e-08
0.8034191.5923733.724704e-08
0.8069091.5922593.615996e-08
0.8104151.5921453.506815e-08
0.8139351.5920323.397160e-08
0.8174711.591923.287029e-08
0.8210231.5918093.176419e-08
0.8245891.5916983.065329e-08
0.8281721.5915882.953756e-08
0.8317691.5914792.841698e-08
0.8353831.591372.729154e-08
0.8390121.5912622.616121e-08
0.8426571.5911552.502596e-08
0.8463171.5910482.388579e-08
0.8499941.5909422.274066e-08
0.8536871.5908372.159055e-08
0.8573951.5907322.043545e-08
0.861121.5906281.927534e-08
0.8648611.5905241.811018e-08
0.8686181.5904211.693996e-08
0.8723911.5903191.576466e-08
0.8761811.5902171.458425e-08
0.8799881.5901161.339871e-08
0.8838111.5900151.220802e-08
0.887651.5899151.101216e-08
0.8915061.5898159.811108e-09
0.8953791.5897168.604835e-09
0.8992691.5896177.393322e-09
0.91.5895997.165600e-09
0.9031751.5895197.950882e-09
0.9070991.5894228.921166e-09
0.911041.5893259.895665e-09
0.9149981.5892281.087440e-08
0.9189721.5891321.185738e-08
0.9229651.5890361.284464e-08
0.9269741.5889411.383618e-08
0.9310011.5888461.483203e-08
0.9350461.5887521.583221e-08
0.9391081.5886581.683673e-08
0.9431881.5885641.784562e-08
0.9472851.5884711.885889e-08
0.95141.5883781.987656e-08
0.9555331.5882862.089865e-08
0.9596841.5881942.192518e-08
0.9638531.5881032.295618e-08
0.9680411.5880122.399165e-08
0.9722461.5879212.503162e-08
0.976471.5878312.607610e-08
0.9807121.5877412.712513e-08
0.9849721.5876512.817871e-08
0.9892511.5875612.923687e-08
0.9935491.5874723.029962e-08
0.9978651.5873843.136699e-08
11.587343.189500e-08
1.00221.5872953.175446e-08
1.006551.5872073.147632e-08
1.010931.587123.119697e-08
1.015321.5870323.091641e-08
1.019731.5869453.063463e-08
1.024161.5868583.035162e-08
1.028611.5867713.006738e-08
1.033081.5866852.978191e-08
1.037561.5865992.949520e-08
1.042071.5865132.920724e-08
1.04661.5864272.891804e-08
1.051151.5863422.862757e-08
1.055711.5862572.833585e-08
1.06031.5861722.804285e-08
1.06491.5860872.774859e-08
1.069531.5860032.745304e-08
1.074181.5859182.715621e-08
1.078841.5858342.685810e-08
1.083531.585752.655868e-08
1.088241.5856672.625797e-08
1.092961.5855832.595595e-08
1.097711.58552.565262e-08
1.102481.5854172.534797e-08
1.107271.5853332.504200e-08
1.112081.585252.473469e-08
1.116911.5851682.442606e-08
1.121761.5850852.411608e-08
1.126641.5850022.380475e-08
1.131531.584922.349208e-08
1.136451.5848382.317804e-08
1.141381.5847562.286264e-08
1.146341.5846732.254587e-08
1.151321.5845912.222772e-08
1.156321.5845092.190819e-08
1.161351.5844282.158728e-08
1.166391.5843462.126497e-08
1.171461.5842642.094126e-08
1.176551.5841822.061614e-08
1.181661.5841012.028961e-08
1.186791.5840191.996166e-08
1.191951.5839381.963229e-08
1.197131.5838561.930149e-08
1.21.5838111.911800e-08
1.202331.5837751.993723e-08
1.207551.5836932.177494e-08
1.21281.5836122.362062e-08
1.218071.583532.547433e-08
1.223361.5834492.733609e-08
1.228671.5833682.920593e-08
1.234011.5832863.108390e-08
1.239371.5832053.297003e-08
1.244751.5831233.486435e-08
1.250161.5830423.676690e-08
1.255591.582963.867771e-08
1.261051.5828784.059683e-08
1.266531.5827974.252428e-08
1.272031.5827154.446011e-08
1.277551.5826334.640435e-08
1.28311.5825514.835703e-08
1.288681.5824695.031819e-08
1.294281.5823875.228788e-08
1.29991.5823055.426612e-08
1.305551.5822235.625296e-08
1.311221.582145.824842e-08
1.316911.5820586.025256e-08
1.322641.5819756.226540e-08
1.328381.5818926.428699e-08
1.334151.581816.631736e-08
1.339951.5817276.835655e-08
1.345771.5816437.040460e-08
1.351621.581567.246154e-08
1.357491.5814767.452742e-08
1.363381.5813937.660228e-08
1.369311.5813097.868615e-08
1.375261.5812258.077907e-08
1.381231.5811418.288108e-08
1.387231.5810568.499223e-08
1.393261.5809728.711255e-08
1.399311.5808878.924208e-08
1.41.5808778.948500e-08
1.405391.5808029.017540e-08
1.411491.5807169.095765e-08
1.417631.5806319.174329e-08
1.423781.5805459.253235e-08
1.429971.5804599.332483e-08
1.436181.5803739.412076e-08
1.442421.5802869.492015e-08
1.448691.5801999.572301e-08
1.454981.5801129.652935e-08
1.46131.5800259.733920e-08
1.467651.5799379.815257e-08
1.474031.5798499.896947e-08
1.480431.5797619.978992e-08
1.486861.5796721.006139e-07
1.493321.5795841.014415e-07
1.499811.5794941.022727e-07
1.506321.5794051.031075e-07
1.512871.5793151.039459e-07
1.519441.5792251.047880e-07
1.526041.5791341.056337e-07
1.532671.5790431.064831e-07
1.539331.5789521.073362e-07
1.546011.578861.081930e-07
1.552731.5787681.090535e-07
1.559481.5786751.099178e-07
1.566251.5785821.107858e-07
1.573051.5784891.116576e-07
1.579891.5783951.125332e-07
1.586751.5783011.134125e-07
1.593641.5782061.142957e-07
1.61.5781191.151100e-07
1.600571.5781111.158964e-07
1.607521.5780151.255249e-07
1.61451.5779191.351953e-07
1.621521.5778231.449076e-07
1.628561.5777261.546621e-07
1.635641.5776281.644590e-07
1.642741.577531.742985e-07
1.649881.5774321.841807e-07
1.657051.5773331.941059e-07
1.664251.5772332.040741e-07
1.671481.5771332.140857e-07
1.678741.5770332.241407e-07
1.686031.5769322.342395e-07
1.693351.576832.443821e-07
1.700711.5767282.545688e-07
1.70811.5766252.647997e-07
1.715521.5765222.750751e-07
1.722971.5764182.853951e-07
1.730461.5763132.957599e-07
1.737971.5762083.061698e-07
1.745521.5761023.166249e-07
1.753111.5759953.271254e-07
1.760721.5758883.376715e-07
1.768371.5757813.482635e-07
1.776051.5756723.589014e-07
1.783771.5755633.695856e-07
1.791521.5754533.803162e-07
1.79931.5753433.910934e-07
1.81.5753333.920600e-07
1.807121.5752324.071620e-07
1.814971.575124.238169e-07
1.822851.5750074.405442e-07
1.830771.5748944.573442e-07
1.838731.574784.742171e-07
1.846711.5746654.911634e-07
1.854741.574555.081832e-07
1.862791.5744335.252770e-07
1.870891.5743165.424451e-07
1.879011.5741985.596877e-07
1.887181.574085.770052e-07
1.895371.573965.943980e-07
1.903611.573846.118663e-07
1.911881.5737196.294105e-07
1.920181.5735976.470310e-07
1.928531.5734746.647280e-07
1.93691.573356.825018e-07
1.945321.5732257.003529e-07
1.953771.57317.182815e-07
1.962261.5729737.362880e-07
1.970781.5728467.543728e-07
1.979341.5727187.725361e-07
1.987941.5725897.907783e-07
1.996581.5724588.090997e-07
21.5724078.163600e-07
2.005251.5723278.536877e-07
2.013961.5721959.156092e-07
2.022711.5720629.777998e-07
2.03151.5719281.040260e-06
2.040321.5717931.102992e-06
2.049191.5716571.165997e-06
2.058091.571521.229275e-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
—