Optical constants

Refractive index of H-ZF1 (CDGM)

H-ZF1: n,k 0.365–2.325 µm

Data
formula 2 + tabulated k
Range
0.365–2.325 µm
Temperature
293 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.365–2.325 µm
Refractive index n
1.64769
Extinction coefficient k
1.04495e-08
Permittivity ε1
2.71487
Permittivity ε2
3.44350e-08
Absorption coefficient α
0.00223472 cm⁻¹
Penetration depth δ = λ/(2πk)
8.94966e+09 nm
Abbe number Vd
33.84
Chromatic dispersion dn/dλ
-0.0966984 µm⁻¹
Group index ng
1.70451
Group velocity dispersion
190.56 fs²/mm
Dispersion parameter D
-1039.61 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

# H-ZF1 (CDGM): H-ZF1
cdgm_h_zf1 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZF1", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zf1.range_nm)  # (365, 2325) nm
eps = cdgm_h_zf1.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=1.06294164λ2λ2−108.400406+0.146910876λ2λ2−0.0591797128+1.48922543λ2λ2−0.0115933111

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C21.06294164
C3108.400406
C40.146910876
C50.0591797128
C61.48922543
C70.0115933111

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -4.73e-06 1.27e-08 -8.17e-11 8.61e-07 9.43e-10 0.263
nd
1.647690
Vd
33.840317
glass code
648338
glass status
special
density
value: 2730
thermal expansion
value: 9.1e-06, temperature range: 243 343; value: 1.17e-05, temperature range: 293 573
dPgF
0.0049
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = -1.10e-06 K⁻¹ at 633 nm, dn/dT = -2.12e-06 K⁻¹ at 1310 nm, dn/dT = -2.19e-06 K⁻¹ at 1550 nm

References

Cite

CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com); See also CDGM optical 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 425 wavelengths, the same grid as the API and the library
H-ZF1 (CDGM), H-ZF1: n and k versus wavelength
λ (µm)nk
0.3651.7012323.794500e-06
0.3666981.7002373.098327e-06
0.3684031.6992592.398915e-06
0.371.6983641.744200e-06
0.3701171.6982991.730650e-06
0.3718381.6973551.531156e-06
0.3735681.6964271.330735e-06
0.3753061.6955141.129382e-06
0.3770511.6946179.270916e-07
0.3788051.6937357.238606e-07
0.381.6931455.853900e-07
0.3805671.6928685.662977e-07
0.3823371.6920145.066934e-07
0.3841161.6911744.468119e-07
0.3859021.6903483.866519e-07
0.3876971.6895353.262121e-07
0.38951.6887352.654911e-07
0.391.6885162.486700e-07
0.3913121.6879472.322224e-07
0.3931321.6871712.094071e-07
0.3949611.6864071.864858e-07
0.3967981.6856551.634578e-07
0.3986441.6849151.403227e-07
0.41.684381.233200e-07
0.4004981.6841851.216769e-07
0.4023611.6834671.155283e-07
0.4042321.6827591.093511e-07
0.4061121.6820611.031452e-07
0.4080011.6813749.691037e-08
0.4098991.6806979.064656e-08
0.4118061.6800298.435362e-08
0.4137211.6793717.803141e-08
0.4156451.6787237.167980e-08
0.4175791.6780836.529863e-08
0.4195211.6774535.888779e-08
0.421.6772995.730700e-08
0.4214721.6768315.620005e-08
0.4234331.6762185.472622e-08
0.4254021.6756145.324553e-08
0.4273811.6750175.175795e-08
0.4293691.6744295.026346e-08
0.4313661.6738494.876201e-08
0.4333721.6732774.725358e-08
0.4353881.6727124.573813e-08
0.4374131.6721554.421563e-08
0.4394481.6716064.268606e-08
0.441.6714584.227100e-08
0.4414921.6710634.186214e-08
0.4435451.6705284.129937e-08
0.4456091.674.073398e-08
0.4476811.6694784.016596e-08
0.4497641.6689643.959531e-08
0.4518561.6684563.902199e-08
0.4539571.6679543.844602e-08
0.4560691.6674593.786736e-08
0.458191.666973.728601e-08
0.461.6665593.679000e-08
0.4603211.6664873.669187e-08
0.4624621.6660113.603787e-08
0.4646131.665543.538082e-08
0.4667751.6650753.472072e-08
0.4689461.6646163.405755e-08
0.4711271.6641623.339130e-08
0.4733181.6637153.272195e-08
0.475521.6632723.204948e-08
0.4777321.6628353.137389e-08
0.4799541.6624033.069515e-08
0.481.6623943.068100e-08
0.4821861.6619772.950739e-08
0.4844291.6615552.830334e-08
0.4866821.6611392.709369e-08
0.4889461.6607282.587841e-08
0.491221.6603212.465748e-08
0.4935051.6599192.343087e-08
0.49581.6595222.219856e-08
0.4981071.659132.096051e-08
0.51.6588131.994400e-08
0.5004231.6587421.988647e-08
0.5027511.6583591.957019e-08
0.5050891.657981.925244e-08
0.5074391.6576061.893321e-08
0.5097991.6572361.861250e-08
0.512171.656871.829030e-08
0.5145531.6565081.796659e-08
0.5169461.656151.764138e-08
0.519351.6557971.731466e-08
0.5217661.6554471.698642e-08
0.5241931.6551021.665665e-08
0.5266311.654761.632535e-08
0.5290811.6544221.599251e-08
0.5315421.6540881.565812e-08
0.5340141.6537571.532217e-08
0.5364981.653431.498466e-08
0.5389931.6531071.464558e-08
0.54151.6527871.430493e-08
0.5440191.6524711.396269e-08
0.5465491.6521581.361885e-08
0.5490921.6518491.327342e-08
0.551.6517391.315000e-08
0.5516461.6515421.303180e-08
0.5542121.651241.284752e-08
0.5567891.650941.266237e-08
0.5593791.6506441.247637e-08
0.5619811.6503511.228950e-08
0.5645951.650061.210176e-08
0.5672211.6497731.191314e-08
0.5698591.6494891.172365e-08
0.572511.6492081.153328e-08
0.5751731.648931.134202e-08
0.5778481.6486551.114988e-08
0.5805361.6483831.095684e-08
0.5832361.6481131.076290e-08
0.5859491.6478471.056806e-08
0.5886751.6475831.037231e-08
0.5914131.6473211.017565e-08
0.5941641.6470639.978081e-09
0.5969271.6468079.779591e-09
0.5997041.6465549.580176e-09
0.61.6465279.558900e-09
0.6024931.6463039.857189e-09
0.6052961.6460541.019247e-08
0.6081111.6458091.052932e-08
0.610941.6455651.086773e-08
0.6137811.6453241.120771e-08
0.6166361.6450861.154928e-08
0.6195041.644851.189243e-08
0.6223861.6446161.223718e-08
0.6252811.6443841.258354e-08
0.6281891.6441551.293150e-08
0.6311111.6439281.328109e-08
0.6340471.6437031.363230e-08
0.6369961.6434811.398514e-08
0.6399591.643261.433962e-08
0.6429351.6430421.469576e-08
0.6459261.6428261.505355e-08
0.648931.6426111.541300e-08
0.651.6425361.554100e-08
0.6519491.6423991.558757e-08
0.6549811.6421891.566005e-08
0.6580281.6419811.573286e-08
0.6610881.6417751.580601e-08
0.6641631.641571.587950e-08
0.6672521.6413681.595333e-08
0.6703561.6411671.602751e-08
0.6734741.6409691.610203e-08
0.6766071.6407721.617690e-08
0.6797541.6405771.625211e-08
0.6829151.6403841.632768e-08
0.6860921.6401921.640360e-08
0.6892831.6400021.647987e-08
0.6924891.6398141.655649e-08
0.695711.6396281.663348e-08
0.6989461.6394431.671082e-08
0.71.6393841.673600e-08
0.7021971.639261.664831e-08
0.7054631.6390791.651795e-08
0.7087451.6388991.638700e-08
0.7120411.6387211.625543e-08
0.7153531.6385441.612325e-08
0.7186811.6383691.599045e-08
0.7220231.6381951.585704e-08
0.7253821.6380231.572301e-08
0.7287561.6378531.558835e-08
0.7321461.6376831.545307e-08
0.7355511.6375161.531716e-08
0.7389721.6373491.518062e-08
0.7424091.6371841.504344e-08
0.7458631.6370211.490562e-08
0.7493321.6368591.476716e-08
0.7528171.6366981.462806e-08
0.7563191.6365381.448831e-08
0.7598371.636381.434791e-08
0.7633711.6362231.420686e-08
0.7669221.6360681.406515e-08
0.7704891.6359131.392279e-08
0.7740731.635761.377976e-08
0.7776731.6356081.363606e-08
0.781291.6354571.349170e-08
0.7849241.6353081.334666e-08
0.7885751.6351591.320096e-08
0.7922431.6350121.305457e-08
0.7959281.6348661.290750e-08
0.799631.6347211.275975e-08
0.81.6347071.274500e-08
0.803351.6345771.279840e-08
0.8070861.6344351.285796e-08
0.810841.6342931.291780e-08
0.8146121.6341521.297791e-08
0.8184011.6340131.303831e-08
0.8222081.6338741.309899e-08
0.8260321.6337371.315995e-08
0.8298741.63361.322119e-08
0.8337341.6334651.328272e-08
0.8376121.633331.334454e-08
0.8415081.6331961.340664e-08
0.8454221.6330641.346903e-08
0.8493551.6329321.353171e-08
0.851.6329111.354200e-08
0.8533051.6328011.359462e-08
0.8572741.6326711.365781e-08
0.8612621.6325421.372129e-08
0.8652681.6324141.378506e-08
0.8692921.6322871.384913e-08
0.8733361.632161.391350e-08
0.8773981.6320351.397817e-08
0.8814791.631911.404315e-08
0.8855791.6317861.410842e-08
0.8896981.6316631.417399e-08
0.8938361.6315411.423988e-08
0.8979941.6314191.430606e-08
0.91.6313611.433800e-08
0.9021711.6312981.437260e-08
0.9063671.6311781.443949e-08
0.9105831.6310591.450669e-08
0.9148181.630941.457420e-08
0.9190731.6308221.464203e-08
0.9233481.6307051.471017e-08
0.9276431.6305881.477863e-08
0.9319581.6304721.484741e-08
0.9362931.6303571.491651e-08
0.9406481.6302421.498593e-08
0.9450231.6301291.505567e-08
0.9494191.6300151.512573e-08
0.951.631.513500e-08
0.9538351.6299031.519605e-08
0.9582711.629791.526668e-08
0.9627291.6296791.533764e-08
0.9672071.6295681.540893e-08
0.9717051.6294581.548055e-08
0.9762251.6293481.555250e-08
0.9807661.6292391.562479e-08
0.9853281.629131.569742e-08
0.9899111.6290221.577038e-08
0.9945151.6289141.584368e-08
0.9991411.6288071.591732e-08
11.6287871.593100e-08
1.003791.62871.599136e-08
1.008461.6285941.606575e-08
1.013151.6284891.614049e-08
1.017861.6283831.621558e-08
1.022591.6282791.629101e-08
1.027351.6281741.636680e-08
1.032131.628071.644293e-08
1.036931.6279671.651943e-08
1.041751.6278641.659628e-08
1.04661.6277611.667348e-08
1.051471.6276591.675105e-08
1.056361.6275571.682897e-08
1.061.6274821.688700e-08
1.061271.6274561.690726e-08
1.066211.6273551.698593e-08
1.071171.6272541.706496e-08
1.076151.6271531.714435e-08
1.081151.6270531.722412e-08
1.086181.6269541.730426e-08
1.091241.6268541.738477e-08
1.096311.6267551.746565e-08
1.101411.6266561.754691e-08
1.106531.6265581.762855e-08
1.111681.6264591.771057e-08
1.116851.6263611.779297e-08
1.122051.6262641.787576e-08
1.127271.6261661.795892e-08
1.132511.6260691.804248e-08
1.137781.6259721.812642e-08
1.143071.6258751.821076e-08
1.148391.6257781.829549e-08
1.153731.6256821.838061e-08
1.159091.6255861.846612e-08
1.164481.625491.855204e-08
1.16991.6253941.863835e-08
1.175341.6252981.872507e-08
1.180811.6252031.881219e-08
1.18631.6251071.889971e-08
1.191821.6250121.898764e-08
1.197361.6249171.907598e-08
1.21.6248721.911800e-08
1.202931.6248221.998522e-08
1.208531.6247272.163979e-08
1.214151.6246332.330205e-08
1.21981.6245382.497205e-08
1.225471.6244432.664981e-08
1.231171.6243492.833538e-08
1.23691.6242543.002878e-08
1.242651.624163.173007e-08
1.248431.6240663.343926e-08
1.254241.6239713.515641e-08
1.260071.6238773.688154e-08
1.265931.6237833.861470e-08
1.271821.6236894.035592e-08
1.277741.6235944.210524e-08
1.283681.62354.386269e-08
1.289651.6234064.562832e-08
1.295651.6233124.740217e-08
1.301671.6232174.918426e-08
1.307731.6231235.097464e-08
1.313811.6230295.277335e-08
1.319921.6229345.458043e-08
1.326061.622845.639591e-08
1.332231.6227455.821983e-08
1.338431.6226516.005224e-08
1.344651.6225566.189318e-08
1.350911.6224616.374267e-08
1.357191.6223666.560077e-08
1.36351.6222716.746751e-08
1.369851.6221766.934293e-08
1.376221.622087.122708e-08
1.382621.6219857.311999e-08
1.389051.6218897.502171e-08
1.395511.6217937.693227e-08
1.41.6217277.826000e-08
1.4021.6216977.862868e-08
1.408521.6216017.983021e-08
1.415071.6215058.103732e-08
1.421661.6214088.225005e-08
1.428271.6213118.346842e-08
1.434911.6212148.469246e-08
1.441591.6211178.592219e-08
1.448291.621028.715764e-08
1.455031.6209228.839883e-08
1.46181.6208248.964580e-08
1.468591.6207269.089857e-08
1.475431.6206279.215717e-08
1.482291.6205289.342162e-08
1.489181.6204299.469195e-08
1.496111.620339.596819e-08
1.503071.620239.725037e-08
1.510061.620139.853851e-08
1.517081.6200299.983265e-08
1.524141.6199291.011328e-07
1.531231.6198281.024390e-07
1.538351.6197261.037513e-07
1.545511.6196241.050697e-07
1.55271.6195221.063942e-07
1.559921.6194191.077248e-07
1.567171.6193161.090617e-07
1.574461.6192131.104048e-07
1.581791.6191091.117541e-07
1.589141.6190051.131097e-07
1.596541.61891.144716e-07
1.61.6188511.151100e-07
1.603961.6187951.217641e-07
1.611421.6186891.342963e-07
1.618921.6185831.468868e-07
1.626451.6184761.595359e-07
1.634011.6183691.722439e-07
1.641611.6182611.850109e-07
1.649251.6181531.978373e-07
1.656921.6180452.107234e-07
1.664631.6179352.236694e-07
1.672371.6178262.366756e-07
1.680151.6177152.497424e-07
1.687961.6176042.628699e-07
1.695811.6174932.760584e-07
1.70371.6173812.893084e-07
1.711631.6172683.026199e-07
1.719591.6171553.159934e-07
1.727591.6170413.294290e-07
1.735621.6169263.429272e-07
1.743691.6168113.564881e-07
1.751811.6166953.701121e-07
1.759951.6165793.837995e-07
1.768141.6164623.975506e-07
1.776361.6163444.113656e-07
1.784631.6162254.252449e-07
1.792931.6161064.391887e-07
1.81.6160044.510700e-07
1.801271.6159864.540216e-07
1.809641.6158654.735485e-07
1.818061.6157434.931661e-07
1.826521.6156215.128751e-07
1.835011.6154985.326757e-07
1.843551.6153745.525684e-07
1.852121.6152495.725536e-07
1.860741.6151235.926318e-07
1.869391.6149976.128033e-07
1.878091.614876.330687e-07
1.886821.6147426.534284e-07
1.89561.6146136.738828e-07
1.904421.6144836.944323e-07
1.913281.6143527.150773e-07
1.922181.614227.358184e-07
1.931121.6140887.566560e-07
1.94011.6139547.775905e-07
1.949121.613827.986224e-07
1.958191.6136848.197521e-07
1.96731.6135488.409801e-07
1.976451.613418.623068e-07
1.985641.6132728.837327e-07
1.994881.6131329.052583e-07
21.6130559.172000e-07
2.004161.6129929.429905e-07
2.013481.612851.000852e-06
2.022841.6127081.058983e-06
2.032251.6125641.117384e-06
2.04171.6124191.176057e-06
2.05121.6122731.235002e-06
2.060741.6121261.294222e-06
2.070331.6119781.353717e-06
2.079961.6118281.413489e-06
2.089631.6116781.473539e-06
2.099351.6115261.533869e-06
2.109121.6113731.594479e-06
2.118931.6112191.655370e-06
2.128781.6110631.716546e-06
2.138681.6109061.778005e-06
2.148631.6107481.839751e-06
2.158621.6105891.901783e-06
2.168671.6104281.964105e-06
2.178751.6102662.026716e-06
2.188891.6101032.089618e-06
2.199071.6099382.152813e-06
2.21.6099232.158600e-06
2.20931.6097722.211988e-06
2.219571.6096052.271004e-06
2.22991.6094362.330295e-06
2.240271.6092652.389861e-06
2.250691.6090942.449705e-06
2.261161.608922.509826e-06
2.271671.6087452.570228e-06
2.282241.6085692.630910e-06
2.292861.6083912.691875e-06
2.303521.6082122.753123e-06
2.314241.6080312.814656e-06
2.3251.6078482.876475e-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
—