Optical constants

Refractive index of 7054 (HIKARI)

7054: n,k 0.3261–2.325 µm

Data
formula 2 + tabulated k
Range
0.3261–2.325 µm
Temperature
295.65 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.3261–2.325 µm
Refractive index n
1.70623
Extinction coefficient k
5.76535e-09
Permittivity ε1
2.91121
Permittivity ε2
1.96740e-08
Absorption coefficient α
0.00123297 cm⁻¹
Penetration depth δ = λ/(2πk)
1.62209e+10 nm
Abbe number Vd
54.696
Chromatic dispersion dn/dλ
-0.0666464 µm⁻¹
Group index ng
1.74539
Group velocity dispersion
117.031 fs²/mm
Dispersion parameter D
-638.464 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

# 7054 (HIKARI): 7054
hikari_7054 = ls.fetch_refractiveindex("specs", "HIKARI-misc", "7054", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hikari_7054.range_nm)  # (326.11, 2325.42) nm
eps = hikari_7054.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

Sellmeier (C in µm²) (formula 2), λ in µm
n2−1=1.18710503λ2λ2−0.00549101471+0.669241576λ2λ2−0.0196008925+1.10329256λ2λ2−83.1244339

Valid from 0.32611 to 2.32542 µm.

Coefficients as stored
CiValue
C10.0
C21.18710503
C30.00549101471
C40.669241576
C50.0196008925
C61.10329256
C783.1244339

Comments and conditions

Conditions

temperature
295.65 K

Properties

thermal dispersion
type: formula A, coefficients: 2.88e-06 1.15e-08 1.75e-13 4.76e-07 4.96e-10 0.209
nd
1.706229
Vd
54.695634
density
value: 3910
thermal expansion
value: 5.7e-06, temperature range: 243 343
dPgF
-0.0076
resistance
acid: 5.0; alkali: 4.0; climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 295.65 K): dn/dT = 2.35e-06 K⁻¹ at 633 nm, dn/dT = 1.73e-06 K⁻¹ at 1310 nm, dn/dT = 1.68e-06 K⁻¹ at 1550 nm

References

Cite

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com); See also NIKON i-line glass data sheet; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

Computed on 427 wavelengths, the same grid as the API and the library
7054 (HIKARI), 7054: n and k versus wavelength
λ (µm)nk
0.326111.7523655.259072e-08
0.327721.7516534.946117e-08
0.3293371.750954.631618e-08
0.331.7506664.502700e-08
0.3309621.7502574.383716e-08
0.3325961.7495724.181771e-08
0.3342371.7488953.978829e-08
0.3358871.7482273.774885e-08
0.3375451.7475683.569935e-08
0.3392111.7469173.363973e-08
0.341.7466123.266400e-08
0.3408851.7462743.225056e-08
0.3425671.7456383.146452e-08
0.3442581.7450113.067461e-08
0.3459571.7443922.988079e-08
0.3476651.743782.908306e-08
0.3493811.7431752.828139e-08
0.351.742962.799200e-08
0.3511051.7425782.744152e-08
0.3528381.7419892.657820e-08
0.3545791.7414062.571061e-08
0.3563291.740832.483875e-08
0.3580881.7402622.396259e-08
0.3598551.73972.308209e-08
0.361.7396552.301000e-08
0.3616311.7391452.120572e-08
0.3634161.7385971.923170e-08
0.3651.7381181.748000e-08
0.365211.7380551.724168e-08
0.3670121.737521.519441e-08
0.3688241.7369911.313703e-08
0.371.7366531.180100e-08
0.3706441.7364691.162611e-08
0.3724731.7359521.112936e-08
0.3743121.7354421.063016e-08
0.3761591.7349381.012849e-08
0.3780161.7344399.624351e-09
0.3798811.7339479.117721e-09
0.381.7339169.085500e-09
0.3817561.733468.581070e-09
0.383641.7329798.039902e-09
0.3855341.7325037.496063e-09
0.3874371.7320336.949540e-09
0.3893491.7315696.400320e-09
0.391.7314126.213300e-09
0.391271.7311096.233539e-09
0.3932021.7306556.264302e-09
0.3951421.7302076.295216e-09
0.3970921.7297636.326283e-09
0.3990521.7293246.357504e-09
0.41.7291156.372600e-09
0.4010221.7288916.388878e-09
0.4030011.7284626.420408e-09
0.404991.7280396.452092e-09
0.4069891.727626.483934e-09
0.4089981.7272056.515932e-09
0.4110161.7267966.548089e-09
0.4130451.7263916.580404e-09
0.4150831.725996.612879e-09
0.4171321.7255946.645513e-09
0.4191911.7252036.678309e-09
0.421.7250516.691200e-09
0.421261.7248166.711267e-09
0.4233391.7244336.744388e-09
0.4254281.7240546.777672e-09
0.4275281.7236796.811120e-09
0.4296381.7233096.844733e-09
0.4317581.7229436.878513e-09
0.4338891.722586.912458e-09
0.4360311.7222226.946572e-09
0.4381831.7218686.980854e-09
0.441.7215737.009800e-09
0.4403461.7215177.015307e-09
0.4425191.721177.049939e-09
0.4447031.7208277.084741e-09
0.4468981.7204887.119716e-09
0.4491031.7201527.154863e-09
0.451321.719827.190184e-09
0.4535471.7194927.225679e-09
0.4557861.7191677.261349e-09
0.4580351.7188467.297196e-09
0.461.7185697.328500e-09
0.4602961.7185277.276575e-09
0.4625681.7182136.878227e-09
0.4648511.7179016.477914e-09
0.4671451.7175936.075625e-09
0.4694511.7172895.671350e-09
0.4717681.7169875.265080e-09
0.4740961.7166884.856805e-09
0.4764361.7163934.446515e-09
0.4787881.7161014.034200e-09
0.481.7159523.821600e-09
0.4811511.7158123.830764e-09
0.4835251.7155253.849679e-09
0.4859121.7152423.868687e-09
0.488311.7149623.887789e-09
0.490721.7146853.906985e-09
0.4931421.714413.926276e-09
0.4955761.7141383.945662e-09
0.4980221.7138693.965144e-09
0.51.7136553.980900e-09
0.500481.7136034.026780e-09
0.502951.713344.262992e-09
0.5054321.7130794.500371e-09
0.5079271.712824.738921e-09
0.5104341.7125654.978648e-09
0.5129531.7123125.219558e-09
0.5154851.7120615.461658e-09
0.5180291.7118135.704952e-09
0.5205851.7115685.949447e-09
0.5231551.7113256.195149e-09
0.5257371.7110846.442064e-09
0.5283321.7108466.690197e-09
0.5309391.710616.939554e-09
0.533561.7103767.190143e-09
0.5361931.7101457.441968e-09
0.5388391.7099167.695036e-09
0.5414991.7096897.949354e-09
0.5441711.7094658.204926e-09
0.5468571.7092428.461760e-09
0.5495561.7090228.719861e-09
0.551.7089868.762300e-09
0.5522691.7088048.581484e-09
0.5549941.7085888.364227e-09
0.5577331.7083748.145899e-09
0.5604861.7081627.926492e-09
0.5632521.7079527.706003e-09
0.5660321.7077447.484426e-09
0.5688261.7075387.261755e-09
0.5716331.7073337.037985e-09
0.5744551.7071316.813111e-09
0.577291.7069316.587126e-09
0.5801391.7067336.360027e-09
0.5830021.7065366.131807e-09
0.585881.7063415.902460e-09
0.5887711.7061485.671981e-09
0.5916771.7059575.440365e-09
0.5945981.7057685.207605e-09
0.5975321.705584.973697e-09
0.61.7054244.777000e-09
0.6004811.7053944.830698e-09
0.6034451.7052095.161326e-09
0.6064231.7050275.493585e-09
0.6094161.7048465.827485e-09
0.6124241.7046666.163032e-09
0.6154471.7044886.500235e-09
0.6184841.7043126.839103e-09
0.6215371.7041377.179643e-09
0.6246041.7039647.521864e-09
0.6276871.7037927.865774e-09
0.6307851.7036228.211382e-09
0.6338981.7034538.558695e-09
0.6370271.7032868.907722e-09
0.6401711.703129.258472e-09
0.6433311.7029569.610953e-09
0.6465061.7027939.965174e-09
0.6496971.7026311.032114e-08
0.651.7026161.035500e-08
0.6529031.7024711.007736e-08
0.6561251.7023119.769183e-09
0.6593641.7021549.459484e-09
0.6626181.7019979.148256e-09
0.6658881.7018428.835493e-09
0.6691751.7016888.521186e-09
0.6724781.7015368.205328e-09
0.6757971.7013847.887910e-09
0.6791321.7012347.568927e-09
0.6824841.7010857.248368e-09
0.6858521.7009376.926228e-09
0.6892371.7007916.602498e-09
0.6926391.7006456.277170e-09
0.6960581.7005015.950236e-09
0.6994931.7003585.621689e-09
0.71.7003375.573200e-09
0.7029451.7002155.596651e-09
0.7064151.7000745.624274e-09
0.7099011.6999345.652034e-09
0.7134051.6997955.679930e-09
0.7169261.6996575.707964e-09
0.7204641.699525.736137e-09
0.724021.6993845.764449e-09
0.7275941.6992495.792900e-09
0.7311851.6991155.821492e-09
0.7347931.6989825.850225e-09
0.738421.698855.879100e-09
0.7420641.6987195.908117e-09
0.7457271.6985895.937278e-09
0.7494071.698465.966582e-09
0.7531061.6983315.996031e-09
0.7568231.6982046.025626e-09
0.7605581.6980776.055366e-09
0.7643121.6979516.085253e-09
0.7680841.6978266.115288e-09
0.7718751.6977026.145471e-09
0.7756851.6975786.175803e-09
0.7795131.6974556.206285e-09
0.7833611.6973346.236917e-09
0.7872271.6972126.267700e-09
0.7911121.6970926.298635e-09
0.7950171.6969726.329723e-09
0.7989411.6968536.360965e-09
0.81.6968226.369400e-09
0.8028841.6967356.599191e-09
0.8068461.6966186.914958e-09
0.8108291.6965017.232283e-09
0.814831.6963857.551174e-09
0.8188521.6962697.871639e-09
0.8228931.6961548.193685e-09
0.8269551.696048.517321e-09
0.8310361.6959268.842554e-09
0.8351381.6958139.169393e-09
0.839261.6957019.497845e-09
0.8434021.6955899.827917e-09
0.8475641.6954781.015962e-08
0.8517481.6953671.049296e-08
0.8559511.6952571.082794e-08
0.8601761.6951471.116458e-08
0.8644211.6950381.150288e-08
0.8686881.694931.184285e-08
0.8729751.6948221.218449e-08
0.8772841.6947141.252783e-08
0.8816131.6946071.287285e-08
0.8859651.69451.321958e-08
0.8903371.6943941.356802e-08
0.8947321.6942891.391819e-08
0.8991481.6941831.427008e-08
0.91.6941631.433800e-08
0.9035851.6940781.410939e-08
0.9080451.6939741.382503e-08
0.9125271.693871.353926e-08
0.917031.6937661.325209e-08
0.9215561.6936631.296350e-08
0.9261051.693561.267348e-08
0.9306761.6934581.238203e-08
0.9352691.6933551.208915e-08
0.9398851.6932531.179482e-08
0.9445241.6931521.149903e-08
0.9491851.6930511.120179e-08
0.953871.692951.090308e-08
0.9585781.6928491.060289e-08
0.9633091.6927491.030123e-08
0.9680631.6926499.998071e-09
0.9728411.6925499.693419e-09
0.9776431.6924499.387264e-09
0.9824681.692359.079597e-09
0.9873171.6922518.770412e-09
0.992191.6921528.459701e-09
0.9970871.6920538.147457e-09
11.6919957.961700e-09
1.002011.6919557.977687e-09
1.006951.6918568.017062e-09
1.011921.6917588.056632e-09
1.016921.691668.096397e-09
1.021941.6915638.136358e-09
1.026981.6914658.176517e-09
1.032051.6913688.216873e-09
1.037141.691278.257429e-09
1.042261.6911738.298185e-09
1.047411.6910768.339142e-09
1.052571.6909798.380302e-09
1.057771.6908828.421664e-09
1.062991.6907858.463231e-09
1.068241.6906888.505002e-09
1.073511.6905918.546980e-09
1.078811.6904958.589166e-09
1.084131.6903988.631559e-09
1.089481.6903018.674161e-09
1.094861.6902058.716974e-09
1.100261.6901088.759998e-09
1.105691.6900118.803235e-09
1.111151.6899158.846685e-09
1.116641.6898188.890349e-09
1.122151.6897218.934229e-09
1.127681.6896248.978325e-09
1.133251.6895289.022639e-09
1.138841.6894319.067172e-09
1.144461.6893349.111924e-09
1.150111.6892379.156898e-09
1.155791.689149.202093e-09
1.161491.6890429.247512e-09
1.167231.6889459.293154e-09
1.172991.6888479.339022e-09
1.178781.688759.385116e-09
1.184591.6886529.431438e-09
1.190441.6885549.477988e-09
1.196321.6884569.524768e-09
1.21.6883959.554100e-09
1.202221.6883581.031690e-08
1.208151.6882591.235525e-08
1.214121.688161.440366e-08
1.220111.6880621.646219e-08
1.226131.6879621.853087e-08
1.232181.6878632.060976e-08
1.238261.6877632.269892e-08
1.244381.6876642.479838e-08
1.250521.6875642.690821e-08
1.256691.6874632.902845e-08
1.262891.6873623.115915e-08
1.269121.6872623.330037e-08
1.275391.687163.545216e-08
1.281681.6870593.761457e-08
1.288011.6869573.978765e-08
1.294371.6868544.197145e-08
1.300751.6867524.416604e-08
1.307171.6866494.637145e-08
1.313631.6865464.858775e-08
1.320111.6864425.081499e-08
1.326621.6863385.305322e-08
1.333171.6862335.530250e-08
1.339751.6861285.756288e-08
1.346361.6860235.983442e-08
1.353011.6859176.211716e-08
1.359691.6858116.441118e-08
1.36641.6857046.671651e-08
1.373141.6855976.903323e-08
1.379921.6854897.136137e-08
1.386731.6853817.370101e-08
1.393571.6852727.605220e-08
1.41.685177.826000e-08
1.400451.6851637.828522e-08
1.407361.6850537.867160e-08
1.414311.6849437.905988e-08
1.421291.6848327.945008e-08
1.42831.6847217.984221e-08
1.435351.6846098.023627e-08
1.442441.6844968.063227e-08
1.449561.6843838.103023e-08
1.456711.6842698.143016e-08
1.46391.6841558.183206e-08
1.471131.684048.223594e-08
1.478391.6839248.264182e-08
1.485681.6838088.304969e-08
1.493021.683698.345959e-08
1.500381.6835738.387150e-08
1.507791.6834548.428545e-08
1.515231.6833358.470144e-08
1.522711.6832158.511948e-08
1.530231.6830948.553959e-08
1.537781.6829738.596177e-08
1.545371.682858.638604e-08
1.552991.6827278.681240e-08
1.560661.6826038.724086e-08
1.568361.6824798.767144e-08
1.57611.6823538.810414e-08
1.583881.6822278.853898e-08
1.59171.68218.897596e-08
1.599551.6819728.941510e-08
1.61.6819648.944000e-08
1.607451.6818439.634278e-08
1.615381.6817131.036944e-07
1.623361.6815821.110823e-07
1.631371.681451.185067e-07
1.639421.6813171.259678e-07
1.647511.6811841.334656e-07
1.655641.6810491.410005e-07
1.663811.6809131.485725e-07
1.672021.6807771.561819e-07
1.680281.6806391.638289e-07
1.688571.68051.715136e-07
1.69691.680361.792363e-07
1.705281.680221.869970e-07
1.71371.6800781.947961e-07
1.722151.6799342.026337e-07
1.730651.679792.105099e-07
1.739191.6796452.184250e-07
1.747781.6794982.263792e-07
1.75641.6793512.343726e-07
1.765071.6792022.424055e-07
1.773791.6790522.504780e-07
1.782541.67892.585904e-07
1.791341.6787482.667428e-07
1.81.6785972.747700e-07
1.800181.6785942.752386e-07
1.809061.6784382.985541e-07
1.817991.6782823.219846e-07
1.826961.6781243.455308e-07
1.835981.6779653.691932e-07
1.845041.6778043.929723e-07
1.854151.6776434.168688e-07
1.86331.6774794.408833e-07
1.87251.6773144.650163e-07
1.881741.6771484.892684e-07
1.891031.6769815.136402e-07
1.900361.6768115.381323e-07
1.909741.6766415.627452e-07
1.919161.6764695.874797e-07
1.928641.6762956.123362e-07
1.938151.6761196.373154e-07
1.947721.6759436.624178e-07
1.957331.6757646.876442e-07
1.966991.6755847.129951e-07
1.97671.6754027.384711e-07
1.986461.6752187.640728e-07
1.996261.6750337.898009e-07
21.6749627.996100e-07
2.006111.6748468.558917e-07
2.016021.6746579.470266e-07
2.025971.6744671.038611e-06
2.035971.6742751.130648e-06
2.046011.674081.223139e-06
2.056111.6738841.316087e-06
2.066261.6736871.409493e-06
2.076461.6734871.503360e-06
2.086711.6732851.597690e-06
2.0971.6730811.692487e-06
2.107351.6728761.787750e-06
2.117761.6726681.883485e-06
2.128211.6724581.979691e-06
2.138711.6722462.076373e-06
2.149271.6720322.173531e-06
2.159871.6718162.271169e-06
2.170531.6715982.369289e-06
2.181251.6713782.467894e-06
2.192011.6711552.566985e-06
2.21.6709892.640500e-06
2.202831.670932.741248e-06
2.21371.6707033.128055e-06
2.224631.6704733.516771e-06
2.235611.6702423.907405e-06
2.246641.6700074.299968e-06
2.257731.6697714.694467e-06
2.268871.6695325.090914e-06
2.280071.669295.489318e-06
2.291331.6690465.889688e-06
2.302631.66886.292034e-06
2.3141.668556.696365e-06
2.325421.6682997.102693e-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
—