Optical constants

Refractive index of J-LASF017 (HIKARI)

J-LASF017: 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
1.795
Extinction coefficient k
2.34385e-08
Permittivity ε1
3.22201
Permittivity ε2
8.41440e-08
Absorption coefficient α
0.00501254 cm⁻¹
Penetration depth δ = λ/(2πk)
3.98999e+09 nm
Abbe number Vd
45.31
Chromatic dispersion dn/dλ
-0.0899371 µm⁻¹
Group index ng
1.84784
Group velocity dispersion
165.04 fs²/mm
Dispersion parameter D
-900.38 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-LASF017 (HIKARI): J-LASF017
hikari_j_lasf017 = ls.fetch_refractiveindex("specs", "HIKARI-optical", "J-LASF017", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_j_lasf017.range_nm)  # (365.015, 2058.09) nm
eps = hikari_j_lasf017.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=3.14264424−0.0144687256⁢λ2.0−0.000159589924⁢λ4.0+0.0273342436⁢λ−2.0+0.00060806842⁢λ−4.0+1.8005447×10-7⁢λ−6.0+1.58176253×10-6⁢λ−8.0

Valid from 0.365015 to 2.05809 µm.

Coefficients as stored
CiValue
C13.14264424
C2-0.0144687256
C32.0
C4-0.000159589924
C54.0
C60.0273342436
C7-2.0
C80.00060806842
C9-4.0
C101.8005447e-07
C11-6.0
C121.58176253e-06
C13-8.0

Comments and conditions

Conditions

temperature
296 K

Properties

thermal dispersion
type: formula A, coefficients: 3.4278e-06 1.4e-08 -5.5493e-13 6.4293e-07 6.6175e-10 0.20857
nd
1.795000
Vd
45.309666
density
value: 4340
thermal expansion
value: 6.4e-06, temperature range: 243 343
dPgF
-0.0085
resistance
phosphate: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 296.0 K): dn/dT = 3.22e-06 K⁻¹ at 633 nm, dn/dT = 2.30e-06 K⁻¹ at 1310 nm, dn/dT = 2.22e-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-LASF017 (HIKARI), J-LASF017: n and k versus wavelength
λ (µm)nk
0.3650151.8398976.116594e-07
0.3666011.8392045.693082e-07
0.3681931.8385195.267731e-07
0.3697931.8378424.840532e-07
0.371.8377554.785200e-07
0.3713991.8371734.528653e-07
0.3730131.8365124.232844e-07
0.3746331.8358593.935750e-07
0.3762611.8352143.637365e-07
0.3778951.8345753.337684e-07
0.3795371.8339453.036701e-07
0.381.8337682.951800e-07
0.3811861.8333212.837331e-07
0.3828421.8327052.677465e-07
0.3845051.8320952.516904e-07
0.3861751.8314932.355645e-07
0.3878531.8308972.193686e-07
0.3895381.8303082.031024e-07
0.391.8301481.986400e-07
0.391231.8297261.918245e-07
0.392931.829151.824071e-07
0.3946371.8285811.729487e-07
0.3963511.8280181.634492e-07
0.3980731.8274611.539085e-07
0.3998021.8269111.443263e-07
0.41.8268481.432300e-07
0.4015391.8263661.392480e-07
0.4032831.8258281.347345e-07
0.4050351.8252951.302014e-07
0.4067951.8247681.256486e-07
0.4085621.8242471.210760e-07
0.4103371.8237321.164836e-07
0.412121.8232221.118712e-07
0.413911.8227181.072388e-07
0.4157081.8222191.025862e-07
0.4175141.8217259.791346e-08
0.4193281.8212379.322040e-08
0.421.8210589.148100e-08
0.4211491.8207549.008366e-08
0.4229791.8202768.785945e-08
0.4248171.8198038.562557e-08
0.4266621.8193358.338200e-08
0.4285161.8188728.112867e-08
0.4303771.8184147.886556e-08
0.4322471.817967.659262e-08
0.4341251.8175127.430980e-08
0.436011.8170687.201706e-08
0.4379051.8166286.971437e-08
0.4398071.8161946.740167e-08
0.441.816156.716700e-08
0.4417181.8157636.583097e-08
0.4436371.8153386.433833e-08
0.4455641.8149166.283921e-08
0.4474991.8144996.133358e-08
0.4494431.8140865.982141e-08
0.4513961.8136775.830267e-08
0.4533571.8132735.677733e-08
0.4553261.8128725.524536e-08
0.4573041.8124765.370674e-08
0.4592911.8120835.216143e-08
0.461.8119455.161000e-08
0.4612861.8116955.100799e-08
0.463291.811315.007015e-08
0.4653031.8109294.912823e-08
0.4673241.8105524.818222e-08
0.4693541.8101794.723210e-08
0.4713931.809814.627786e-08
0.4734411.8094444.531947e-08
0.4754981.8090814.435691e-08
0.4775641.8087234.339018e-08
0.4796381.8083684.241924e-08
0.481.8083064.225000e-08
0.4817221.8080164.136393e-08
0.4838151.8076684.028712e-08
0.4859171.8073233.920564e-08
0.4880271.8069813.811946e-08
0.4901481.8066433.702856e-08
0.4922771.8063083.593292e-08
0.4944151.8059763.483252e-08
0.4965631.8056483.372734e-08
0.4987211.8053223.261736e-08
0.51.8051313.195900e-08
0.5008871.8053.178123e-08
0.5030631.8046813.134517e-08
0.5052481.8043653.090721e-08
0.5074431.8040523.046735e-08
0.5096481.8037413.002557e-08
0.5118621.8034342.958188e-08
0.5140861.803132.913626e-08
0.5163191.8028282.868871e-08
0.5185621.8025292.823921e-08
0.5208151.8022342.778776e-08
0.5230771.801942.733434e-08
0.5253491.801652.687896e-08
0.5276321.8013622.642160e-08
0.5299241.8010772.596225e-08
0.5322261.8007952.550091e-08
0.5345381.8005152.503756e-08
0.536861.8002382.457220e-08
0.5391931.7999632.410482e-08
0.5415351.7996912.363540e-08
0.5438871.7994212.316395e-08
0.546251.7991542.269045e-08
0.5486231.7988892.221490e-08
0.551.7987372.193900e-08
0.5510071.7986262.197914e-08
0.55341.7983662.207460e-08
0.5558041.7981092.217048e-08
0.5582191.7978532.226677e-08
0.5606441.79762.236348e-08
0.563081.7973492.246061e-08
0.5655261.79712.255817e-08
0.5679821.7968542.265614e-08
0.570451.796612.275454e-08
0.5729281.7963672.285337e-08
0.5754171.7961272.295263e-08
0.5779171.795892.305232e-08
0.5804271.7956542.315244e-08
0.5829491.795422.325300e-08
0.5854811.7951882.335400e-08
0.5880251.7949582.345543e-08
0.5905791.7947312.355731e-08
0.5931451.7945052.365962e-08
0.5957221.7942812.376238e-08
0.598311.7940592.386559e-08
0.61.7939162.393300e-08
0.6009091.7938392.396926e-08
0.6035191.7936212.407342e-08
0.6061411.7934042.417803e-08
0.6087741.793192.428310e-08
0.6114191.7929772.438862e-08
0.6140751.7927662.449460e-08
0.6167431.7925572.460104e-08
0.6194221.792352.470795e-08
0.6221131.7921442.481531e-08
0.6248161.791942.492315e-08
0.627531.7917382.503145e-08
0.6302561.7915372.514022e-08
0.6329941.7913382.524947e-08
0.6357441.7911412.535919e-08
0.6385061.7909452.546938e-08
0.641281.7907512.558006e-08
0.6440661.7905582.569122e-08
0.6468641.7903672.580286e-08
0.6496741.7901782.591498e-08
0.651.7901562.592800e-08
0.6524961.789992.630714e-08
0.6553311.7898032.673772e-08
0.6581781.7896182.717016e-08
0.6610371.7894342.760449e-08
0.6639081.7892522.804070e-08
0.6667931.7890722.847880e-08
0.6696891.7888922.891881e-08
0.6725991.7887142.936073e-08
0.6755211.7885382.980457e-08
0.6784551.7883633.025034e-08
0.6814031.7881893.069805e-08
0.6843631.7880163.114770e-08
0.6873361.7878453.159930e-08
0.6903221.7876753.205287e-08
0.6933211.7875063.250840e-08
0.6963331.7873393.296592e-08
0.6993581.7871733.342542e-08
0.71.7871383.352300e-08
0.7023961.7870083.425273e-08
0.7054471.7868443.518215e-08
0.7085121.7866823.611560e-08
0.711591.7865213.705311e-08
0.7146811.786363.799470e-08
0.7177861.7862013.894037e-08
0.7209041.7860443.989015e-08
0.7240361.7858874.084406e-08
0.7271811.7857314.180211e-08
0.730341.7855774.276432e-08
0.7335131.7854234.373072e-08
0.73671.7852714.470131e-08
0.73991.785124.567612e-08
0.7431141.784974.665516e-08
0.7463421.784824.763846e-08
0.7495851.7846724.862602e-08
0.7528411.7845254.961788e-08
0.7561121.7843795.061405e-08
0.7593961.7842345.161454e-08
0.7626951.784095.261939e-08
0.7660091.7839465.362859e-08
0.7693361.7838045.464218e-08
0.7726791.7836625.566018e-08
0.7760351.7835225.668259e-08
0.7794071.7833825.770945e-08
0.7827931.7832445.874077e-08
0.7861931.7831065.977657e-08
0.7896091.7829696.081687e-08
0.7930391.7828336.186168e-08
0.7964841.7826976.291104e-08
0.7999441.7825636.396496e-08
0.81.7825616.398200e-08
0.8034191.7824296.253007e-08
0.8069091.7822976.104798e-08
0.8104151.7821655.955944e-08
0.8139351.7820335.806444e-08
0.8174711.7819035.656295e-08
0.8210231.7817735.505493e-08
0.8245891.7816445.354036e-08
0.8281721.7815165.201921e-08
0.8317691.7813895.049145e-08
0.8353831.7812624.895706e-08
0.8390121.7811364.741600e-08
0.8426571.781014.586824e-08
0.8463171.7808864.431376e-08
0.8499941.7807624.275253e-08
0.8536871.7806384.118452e-08
0.8573951.7805163.960969e-08
0.861121.7803943.802802e-08
0.8648611.7802723.643949e-08
0.8686181.7801513.484405e-08
0.8723911.7800313.324168e-08
0.8761811.7799123.163234e-08
0.8799881.7797933.001602e-08
0.8838111.7796742.839268e-08
0.887651.7795562.676228e-08
0.8915061.7794392.512480e-08
0.8953791.7793222.348021e-08
0.8992691.7792062.182847e-08
0.91.7791842.151800e-08
0.9031751.779092.210137e-08
0.9070991.7789752.282218e-08
0.911041.7788612.354611e-08
0.9149981.7787462.427320e-08
0.9189721.7786332.500344e-08
0.9229651.778522.573685e-08
0.9269741.7784072.647345e-08
0.9310011.7782952.721325e-08
0.9350461.7781832.795626e-08
0.9391081.7780722.870250e-08
0.9431881.7779612.945198e-08
0.9472851.777853.020472e-08
0.95141.777743.096073e-08
0.9555331.777633.172002e-08
0.9596841.7775213.248261e-08
0.9638531.7774123.324852e-08
0.9680411.7773043.401775e-08
0.9722461.7771963.479032e-08
0.976471.7770883.556625e-08
0.9807121.7769813.634555e-08
0.9849721.7768743.712824e-08
0.9892511.7767673.791432e-08
0.9935491.776663.870382e-08
0.9978651.7765543.949675e-08
11.7765023.988900e-08
1.00221.7764493.976583e-08
1.006551.7763433.952206e-08
1.010931.7762383.927724e-08
1.015321.7761333.903134e-08
1.019731.7760283.878438e-08
1.024161.7759243.853635e-08
1.028611.775823.828724e-08
1.033081.7757163.803705e-08
1.037561.7756133.778577e-08
1.042071.7755093.753340e-08
1.04661.7754063.727993e-08
1.051151.7753033.702537e-08
1.055711.77523.676969e-08
1.06031.7750983.651291e-08
1.06491.7749953.625501e-08
1.069531.7748933.599599e-08
1.074181.7747913.573584e-08
1.078841.7746893.547456e-08
1.083531.7745883.521215e-08
1.088241.7744863.494860e-08
1.092961.7743853.468391e-08
1.097711.7742843.441806e-08
1.102481.7741823.415106e-08
1.107271.7740813.388290e-08
1.112081.773983.361357e-08
1.116911.773883.334308e-08
1.121761.7737793.307141e-08
1.126641.7736783.279856e-08
1.131531.7735783.252452e-08
1.136451.7734773.224929e-08
1.141381.7733773.197287e-08
1.146341.7732763.169525e-08
1.151321.7731763.141642e-08
1.156321.7730763.113638e-08
1.161351.7729753.085512e-08
1.166391.7728753.057264e-08
1.171461.7727753.028894e-08
1.176551.7726743.000400e-08
1.181661.7725742.971782e-08
1.186791.7724742.943040e-08
1.191951.7723732.914173e-08
1.197131.7722732.885181e-08
1.21.7722172.869100e-08
1.202331.7721722.900712e-08
1.207551.7720722.971625e-08
1.21281.7719713.042846e-08
1.218071.7718713.114376e-08
1.223361.771773.186217e-08
1.228671.7716693.258370e-08
1.234011.7715683.330836e-08
1.239371.7714673.403618e-08
1.244751.7713663.476715e-08
1.250161.7712653.550130e-08
1.255591.7711643.623864e-08
1.261051.7710623.697918e-08
1.266531.7709613.772294e-08
1.272031.7708593.846993e-08
1.277551.7707573.922017e-08
1.28311.7706553.997367e-08
1.288681.7705534.073043e-08
1.294281.770454.149049e-08
1.29991.7703474.225385e-08
1.305551.7702454.302052e-08
1.311221.7701424.379053e-08
1.316911.7700384.456388e-08
1.322641.7699354.534059e-08
1.328381.7698314.612067e-08
1.334151.7697274.690414e-08
1.339951.7696234.769102e-08
1.345771.7695184.848131e-08
1.351621.7694134.927504e-08
1.357491.7693085.007222e-08
1.363381.7692035.087286e-08
1.369311.7690975.167697e-08
1.375261.7689915.248458e-08
1.381231.7688855.329570e-08
1.387231.7687795.411034e-08
1.393261.7686725.492853e-08
1.399311.7685645.575026e-08
1.41.7685525.584400e-08
1.405391.7684575.778698e-08
1.411491.7683495.998844e-08
1.417631.7682416.219947e-08
1.423781.7681326.442010e-08
1.429971.7680236.665038e-08
1.436181.7679136.889034e-08
1.442421.7678037.114004e-08
1.448691.7676937.339951e-08
1.454981.7675827.566880e-08
1.46131.7674717.794794e-08
1.467651.7673598.023699e-08
1.474031.7672478.253598e-08
1.480431.7671358.484496e-08
1.486861.7670228.716397e-08
1.493321.7669088.949305e-08
1.499811.7667949.183225e-08
1.506321.766689.418161e-08
1.512871.7665659.654118e-08
1.519441.7664499.891100e-08
1.526041.7663331.012911e-07
1.532671.7662171.036816e-07
1.539331.76611.060824e-07
1.546011.7659821.084937e-07
1.552731.7658641.109154e-07
1.559481.7657451.133477e-07
1.566251.7656261.157905e-07
1.573051.7655061.182440e-07
1.579891.7653851.207081e-07
1.586751.7652641.231829e-07
1.593641.7651421.256684e-07
1.61.7650291.279600e-07
1.600571.7650191.284599e-07
1.607521.7648961.345805e-07
1.61451.7647721.407277e-07
1.621521.7646481.469016e-07
1.628561.7645231.531023e-07
1.635641.7643971.593299e-07
1.642741.764271.655846e-07
1.649881.7641431.718665e-07
1.657051.7640151.781756e-07
1.664251.7638861.845122e-07
1.671481.7637571.908763e-07
1.678741.7636261.972680e-07
1.686031.7634952.036876e-07
1.693351.7633632.101350e-07
1.700711.7632312.166104e-07
1.70811.7630972.231139e-07
1.715521.7629632.296457e-07
1.722971.7628282.362059e-07
1.730461.7626922.427945e-07
1.737971.7625552.494118e-07
1.745521.7624172.560578e-07
1.753111.7622792.627327e-07
1.760721.762142.694366e-07
1.768371.7619992.761697e-07
1.776051.7618582.829320e-07
1.783771.7617162.897236e-07
1.791521.7615732.965448e-07
1.79931.7614283.033956e-07
1.81.7614163.040100e-07
1.807121.7612833.163141e-07
1.814971.7611373.298833e-07
1.822851.760993.435116e-07
1.830771.7608423.571990e-07
1.838731.7606933.709459e-07
1.846711.7605433.847525e-07
1.854741.7603923.986191e-07
1.862791.760244.125459e-07
1.870891.7600864.265332e-07
1.879011.7599324.405813e-07
1.887181.7597774.546905e-07
1.895371.759624.688609e-07
1.903611.7594624.830928e-07
1.911881.7593034.973866e-07
1.920181.7591435.117425e-07
1.928531.7589825.261608e-07
1.93691.758825.406417e-07
1.945321.7586565.551855e-07
1.953771.7584915.697925e-07
1.962261.7583255.844629e-07
1.970781.7581585.991971e-07
1.979341.7579896.139953e-07
1.987941.7578196.288578e-07
1.996581.7576486.437848e-07
21.757586.497000e-07
2.005251.7574756.862101e-07
2.013961.7573027.467752e-07
2.022711.7571268.076035e-07
2.03151.756958.686961e-07
2.040321.7567729.300540e-07
2.049191.7565939.916785e-07
2.058091.7564121.053571e-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
—