Optical constants

Refractive index of J-KZFH1 (HIKARI)

J-KZFH1: 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
1.61266
Extinction coefficient k
1.98319e-08
Permittivity ε1
2.60066
Permittivity ε2
6.39641e-08
Absorption coefficient α
0.00424123 cm⁻¹
Penetration depth δ = λ/(2πk)
4.71561e+09 nm
Abbe number Vd
44.458
Chromatic dispersion dn/dλ
-0.070543 µm⁻¹
Group index ng
1.65411
Group velocity dispersion
129.273 fs²/mm
Dispersion parameter D
-705.251 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-KZFH1 (HIKARI): J-KZFH1
hikari_j_kzfh1 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-KZFH1", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_kzfh1.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_kzfh1.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=2.54674023−0.012265261⁢λ2.0−0.00013427904⁢λ4.0+0.0185970683⁢λ−2.0+0.000522959966⁢λ−4.0−9.9314501×10-6⁢λ−6.0+2.37371768×10-6⁢λ−8.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C12.54674023
C2-0.012265261
C32.0
C4-0.00013427904
C54.0
C60.0185970683
C7-2.0
C80.000522959966
C9-4.0
C10-9.9314501e-06
C11-6.0
C122.37371768e-06
C13-8.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 2.8555e-06 1.4192e-08 -1.1449e-12 5.4686e-07 5.3138e-10 0.23252
nd
1.612660
Vd
44.457955
density
value: 2800
thermal expansion
value: 5.7e-06, temperature range: 243 343
dPgF
-0.0058
resistance
phosphate: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 2.19e-06 K⁻¹ at 633 nm, dn/dT = 1.54e-06 K⁻¹ at 1310 nm, dn/dT = 1.48e-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-KZFH1 (HIKARI), J-KZFH1: n and k versus wavelength
λ (µm)nk
0.3650151.6484772.075187e-07
0.3666011.6479081.915220e-07
0.3681931.6473471.754559e-07
0.3697931.6467931.593200e-07
0.371.6467221.572300e-07
0.3713991.6462461.494275e-07
0.3730131.6457061.404310e-07
0.3746331.6451731.313953e-07
0.3762611.6446471.223204e-07
0.3778951.6441271.132061e-07
0.3795371.6436141.040521e-07
0.381.6434711.014700e-07
0.3811861.6431079.800119e-08
0.3828421.6426079.315668e-08
0.3845051.6421128.829112e-08
0.3861751.6416248.340443e-08
0.3878531.6411427.849651e-08
0.3895381.6406657.356726e-08
0.391.6405367.221500e-08
0.391231.6401957.004563e-08
0.392931.639736.704806e-08
0.3946371.639276.403746e-08
0.3963511.6388166.101378e-08
0.3980731.6383685.797697e-08
0.3998021.6379245.492697e-08
0.41.6378745.457800e-08
0.4015391.6374865.374357e-08
0.4032831.6370535.279777e-08
0.4050351.6366255.184785e-08
0.4067951.6362035.089382e-08
0.4085621.6357854.993563e-08
0.4103371.6353714.897329e-08
0.412121.6349634.800676e-08
0.413911.6345594.703604e-08
0.4157081.634164.606110e-08
0.4175141.6337654.508192e-08
0.4193281.6333754.409849e-08
0.421.6332324.373400e-08
0.4211491.6329894.344636e-08
0.4229791.6326084.298851e-08
0.4248171.632234.252867e-08
0.4266621.6318574.206683e-08
0.4285161.6314884.160299e-08
0.4303771.6311234.113713e-08
0.4322471.6307634.066925e-08
0.4341251.6304064.019933e-08
0.436011.6300523.972738e-08
0.4379051.6297033.925337e-08
0.4398071.6293583.877731e-08
0.441.6293233.872900e-08
0.4417181.6290163.824507e-08
0.4436371.6286783.770441e-08
0.4455641.6283443.716141e-08
0.4474991.6280133.661604e-08
0.4494431.6276853.606831e-08
0.4513961.6273613.551819e-08
0.4533571.6270413.496569e-08
0.4553261.6267243.441079e-08
0.4573041.626413.385347e-08
0.4592911.6260993.329374e-08
0.461.625993.309400e-08
0.4612861.6257923.269124e-08
0.463291.6254883.206381e-08
0.4653031.6251873.143365e-08
0.4673241.6248893.080076e-08
0.4693541.6245943.016511e-08
0.4713931.6243022.952671e-08
0.4734411.6240142.888553e-08
0.4754981.6237282.824156e-08
0.4775641.6234452.759480e-08
0.4796381.6231642.694523e-08
0.481.6231162.683200e-08
0.4817221.6228872.658342e-08
0.4838151.6226122.628134e-08
0.4859171.6223412.597795e-08
0.4880271.6220722.567323e-08
0.4901481.6218052.536720e-08
0.4922771.6215412.505983e-08
0.4944151.621282.475113e-08
0.4965631.6210212.444108e-08
0.4987211.6207652.412969e-08
0.51.6206152.394500e-08
0.5008871.6205122.390941e-08
0.5030631.6202612.382211e-08
0.5052481.6200122.373443e-08
0.5074431.6197662.364637e-08
0.5096481.6195222.355793e-08
0.5118621.619282.346910e-08
0.5140861.6190412.337989e-08
0.5163191.6188042.329029e-08
0.5185621.6185692.320030e-08
0.5208151.6183372.310992e-08
0.5230771.6181062.301915e-08
0.5253491.6178782.292798e-08
0.5276321.6176522.283641e-08
0.5299241.6174282.274445e-08
0.5322261.6172072.265209e-08
0.5345381.6169872.255933e-08
0.536861.6167692.246617e-08
0.5391931.6165542.237260e-08
0.5415351.616342.227862e-08
0.5438871.6161282.218424e-08
0.546251.6159182.208944e-08
0.5486231.6157112.199423e-08
0.551.6155912.193900e-08
0.5510071.6155052.188259e-08
0.55341.6153012.174845e-08
0.5558041.6150982.161372e-08
0.5582191.6148982.147841e-08
0.5606441.6146992.134251e-08
0.563081.6145032.120602e-08
0.5655261.6143072.106894e-08
0.5679821.6141142.093126e-08
0.570451.6139232.079298e-08
0.5729281.6137332.065411e-08
0.5754171.6135442.051463e-08
0.5779171.6133582.037454e-08
0.5804271.6131732.023385e-08
0.5829491.6129892.009254e-08
0.5854811.6128081.995062e-08
0.5880251.6126271.980809e-08
0.5905791.6124491.966493e-08
0.5931451.6122721.952116e-08
0.5957221.6120961.937675e-08
0.598311.6119221.923172e-08
0.61.6118091.913700e-08
0.6009091.6117491.926045e-08
0.6035191.6115781.961500e-08
0.6061411.6114081.997110e-08
0.6087741.611242.032874e-08
0.6114191.6110732.068794e-08
0.6140751.6109082.104870e-08
0.6167431.6107442.141102e-08
0.6194221.6105812.177492e-08
0.6221131.6104192.214040e-08
0.6248161.6102592.250747e-08
0.627531.61012.287613e-08
0.6302561.6099432.324640e-08
0.6329941.6097872.361827e-08
0.6357441.6096322.399176e-08
0.6385061.6094782.436687e-08
0.641281.6093252.474361e-08
0.6440661.6091742.512199e-08
0.6468641.6090242.550201e-08
0.6496741.6088752.588368e-08
0.651.6088582.592800e-08
0.6524961.6087272.602754e-08
0.6553311.6085812.614058e-08
0.6581781.6084352.625412e-08
0.6610371.6082912.636815e-08
0.6639081.6081482.648267e-08
0.6667931.6080052.659769e-08
0.6696891.6078642.671321e-08
0.6725991.6077242.682923e-08
0.6755211.6075852.694576e-08
0.6784551.6074472.706279e-08
0.6814031.6073112.718033e-08
0.6843631.6071752.729839e-08
0.6873361.607042.741695e-08
0.6903221.6069062.753603e-08
0.6933211.6067732.765563e-08
0.6963331.6066412.777574e-08
0.6993581.606512.789638e-08
0.71.6064832.792200e-08
0.7023961.606382.863194e-08
0.7054471.6062512.953615e-08
0.7085121.6061233.044430e-08
0.711591.6059953.135638e-08
0.7146811.6058693.227243e-08
0.7177861.6057433.319246e-08
0.7209041.6056193.411648e-08
0.7240361.6054953.504452e-08
0.7271811.6053723.597659e-08
0.730341.605253.691271e-08
0.7335131.6051293.785290e-08
0.73671.6050083.879717e-08
0.73991.6048883.974554e-08
0.7431141.6047694.069804e-08
0.7463421.6046514.165467e-08
0.7495851.6045344.261545e-08
0.7528411.6044174.358041e-08
0.7561121.6043014.454957e-08
0.7593961.6041864.552293e-08
0.7626951.6040724.650052e-08
0.7660091.6039584.748236e-08
0.7693361.6038454.846846e-08
0.7726791.6037334.945885e-08
0.7760351.6036215.045354e-08
0.7794071.603515.145255e-08
0.7827931.60345.245590e-08
0.7861931.603295.346361e-08
0.7896091.6031815.447570e-08
0.7930391.6030725.549218e-08
0.7964841.6029655.651308e-08
0.7999441.6028575.753842e-08
0.81.6028565.755500e-08
0.8034191.6027515.583209e-08
0.8069091.6026455.407338e-08
0.8104151.6025395.230703e-08
0.8139351.6024355.053300e-08
0.8174711.602334.875127e-08
0.8210231.6022274.696180e-08
0.8245891.6021244.516455e-08
0.8281721.6020214.335950e-08
0.8317691.6019194.154660e-08
0.8353831.6018173.972583e-08
0.8390121.6017163.789715e-08
0.8426571.6016163.606053e-08
0.8463171.6015163.421592e-08
0.8499941.6014163.236330e-08
0.8536871.6013173.050264e-08
0.8573951.6012182.863389e-08
0.861121.601122.675702e-08
0.8648611.6010222.487200e-08
0.8686181.6009252.297879e-08
0.8723911.6008282.107736e-08
0.8761811.6007321.916767e-08
0.8799881.6006361.724968e-08
0.8838111.600541.532335e-08
0.887651.6004451.338866e-08
0.8915061.600351.144557e-08
0.8953791.6002569.494029e-09
0.8992691.6001617.534015e-09
0.91.6001447.165600e-09
0.9031751.6000687.950882e-09
0.9070991.5999748.921166e-09
0.911041.5998819.895665e-09
0.9149981.5997891.087440e-08
0.9189721.5996961.185738e-08
0.9229651.5996051.284464e-08
0.9269741.5995131.383618e-08
0.9310011.5994211.483203e-08
0.9350461.599331.583221e-08
0.9391081.599241.683673e-08
0.9431881.5991491.784562e-08
0.9472851.5990591.885889e-08
0.95141.5989691.987656e-08
0.9555331.5988792.089865e-08
0.9596841.598792.192518e-08
0.9638531.5987012.295618e-08
0.9680411.5986122.399165e-08
0.9722461.5985232.503162e-08
0.976471.5984352.607610e-08
0.9807121.5983472.712513e-08
0.9849721.5982592.817871e-08
0.9892511.5981712.923687e-08
0.9935491.5980833.029962e-08
0.9978651.5979963.136699e-08
11.5979533.189500e-08
1.00221.5979093.164927e-08
1.006551.5978223.116293e-08
1.010931.5977353.067448e-08
1.015321.5976483.018391e-08
1.019731.5975612.969120e-08
1.024161.5974752.919636e-08
1.028611.5973892.869937e-08
1.033081.5973032.820021e-08
1.037561.5972162.769889e-08
1.042071.5971312.719539e-08
1.04661.5970452.668971e-08
1.051151.5969592.618182e-08
1.055711.5968732.567173e-08
1.06031.5967882.515943e-08
1.06491.5967032.464489e-08
1.069531.5966172.412813e-08
1.074181.5965322.360912e-08
1.078841.5964472.308785e-08
1.083531.5963622.256432e-08
1.088241.5962762.203851e-08
1.092961.5961912.151042e-08
1.097711.5961062.098004e-08
1.102481.5960212.044735e-08
1.107271.5959361.991235e-08
1.112081.5958511.937503e-08
1.116911.5957661.883537e-08
1.121761.5956811.829336e-08
1.126641.5955961.774900e-08
1.131531.5955111.720228e-08
1.136451.5954261.665318e-08
1.141381.5953411.610169e-08
1.146341.5952561.554781e-08
1.151321.5951711.499153e-08
1.156321.5950861.443282e-08
1.161351.5951.387169e-08
1.166391.5949151.330813e-08
1.171461.594831.274211e-08
1.176551.5947441.217364e-08
1.181661.5946591.160269e-08
1.186791.5945731.102927e-08
1.191951.5944871.045335e-08
1.197131.5944019.874931e-09
1.21.5943549.554100e-09
1.202331.5943151.339357e-08
1.207551.5942292.200625e-08
1.21281.5941433.065635e-08
1.218071.5940573.934402e-08
1.223361.593974.806944e-08
1.228671.5938835.683276e-08
1.234011.5937966.563416e-08
1.239371.5937097.447378e-08
1.244751.5936228.335181e-08
1.250161.5935359.226841e-08
1.255591.5934471.012237e-07
1.261051.593361.102180e-07
1.266531.5932721.192513e-07
1.272031.5931841.283238e-07
1.277551.5930951.374358e-07
1.28311.5930071.465874e-07
1.288681.5929181.557787e-07
1.294281.5928291.650099e-07
1.29991.5927391.742812e-07
1.305551.592651.835929e-07
1.311221.592561.929449e-07
1.316911.592472.023376e-07
1.322641.592382.117711e-07
1.328381.5922892.212456e-07
1.334151.5921982.307612e-07
1.339951.5921072.403182e-07
1.345771.5920152.499167e-07
1.351621.5919232.595569e-07
1.357491.5918312.692390e-07
1.363381.5917392.789631e-07
1.369311.5916462.887295e-07
1.375261.5915532.985383e-07
1.381231.5914593.083897e-07
1.387231.5913653.182839e-07
1.393261.5912713.282211e-07
1.399311.5911763.382015e-07
1.41.5911663.393400e-07
1.405391.5910813.353819e-07
1.411491.5909863.308972e-07
1.417631.590893.263931e-07
1.423781.5907943.218693e-07
1.429971.5906973.173260e-07
1.436181.59063.127628e-07
1.442421.5905033.081799e-07
1.448691.5904053.035771e-07
1.454981.5903062.989542e-07
1.46131.5902072.943113e-07
1.467651.5901082.896482e-07
1.474031.5900082.849648e-07
1.480431.5899082.802611e-07
1.486861.5898072.755370e-07
1.493321.5897062.707924e-07
1.499811.5896042.660271e-07
1.506321.5895022.612411e-07
1.512871.5893992.564344e-07
1.519441.5892962.516067e-07
1.526041.5891922.467581e-07
1.532671.5890872.418884e-07
1.539331.5889822.369976e-07
1.546011.5888772.320855e-07
1.552731.588772.271521e-07
1.559481.5886642.221973e-07
1.566251.5885562.172209e-07
1.573051.5884482.122229e-07
1.579891.588342.072032e-07
1.586751.588232.021617e-07
1.593641.5881211.970982e-07
1.61.5880191.924300e-07
1.600571.588011.929551e-07
1.607521.5878991.993841e-07
1.61451.5877872.058410e-07
1.621521.5876752.123259e-07
1.628561.5875612.188390e-07
1.635641.5874482.253804e-07
1.642741.5873332.319503e-07
1.649881.5872182.385486e-07
1.657051.5871022.451757e-07
1.664251.5869852.518315e-07
1.671481.5868672.585162e-07
1.678741.5867492.652300e-07
1.686031.586632.719730e-07
1.693351.586512.787452e-07
1.700711.586392.855469e-07
1.70811.5862682.923781e-07
1.715521.5861462.992390e-07
1.722971.5860233.061296e-07
1.730461.5858993.130503e-07
1.737971.5857753.200010e-07
1.745521.5856493.269818e-07
1.753111.5855233.339931e-07
1.760721.5853953.410347e-07
1.768371.5852673.481070e-07
1.776051.5851383.552100e-07
1.783771.5850083.623438e-07
1.791521.5848773.695086e-07
1.79931.5847453.767046e-07
1.81.5847343.773500e-07
1.807121.5846133.959650e-07
1.814971.5844794.164942e-07
1.822851.5843444.371126e-07
1.830771.5842094.578205e-07
1.838731.5840724.786184e-07
1.846711.5839344.995066e-07
1.854741.5837955.204856e-07
1.862791.5836565.415557e-07
1.870891.5835155.627174e-07
1.879011.5833735.839710e-07
1.887181.583236.053169e-07
1.895371.5830866.267555e-07
1.903611.5829416.482873e-07
1.911881.5827956.699127e-07
1.920181.5826486.916319e-07
1.928531.5824997.134455e-07
1.93691.582357.353539e-07
1.945321.5821997.573575e-07
1.953771.5820477.794566e-07
1.962261.5818948.016518e-07
1.970781.5817398.239434e-07
1.979341.5815848.463318e-07
1.987941.5814278.688175e-07
1.996581.5812698.914008e-07
21.5812069.003500e-07
2.005251.5811099.792845e-07
2.013961.5809491.110226e-06
2.022711.5807871.241736e-06
2.03151.5806241.373818e-06
2.040321.5804591.506473e-06
2.049191.5802931.639705e-06
2.058091.5801261.773515e-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
—