Optical constants

Refractive index of H-ZF1A (CDGM)

H-ZF1A: 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
2.92327e-08
Permittivity ε1
2.71487
Permittivity ε2
9.63327e-08
Absorption coefficient α
0.00625169 cm⁻¹
Penetration depth δ = λ/(2πk)
3.19914e+09 nm
Abbe number Vd
33.888
Chromatic dispersion dn/dλ
-0.0965285 µm⁻¹
Group index ng
1.70441
Group velocity dispersion
190.3 fs²/mm
Dispersion parameter D
-1038.19 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-ZF1A (CDGM): H-ZF1A
cdgm_h_zf1a = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZF1A", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zf1a.range_nm)  # (365, 2325) nm
eps = cdgm_h_zf1a.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=0.157527094λ2λ2−0.0585466694+1.4792285λ2λ2−0.0111805229+1.18166385λ2λ2−115.153843

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C20.157527094
C30.0585466694
C41.4792285
C50.0111805229
C61.18166385
C7115.153843

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -2.07e-06 1.38e-08 -4.21e-11 7.78e-07 1.01e-09 0.278
nd
1.647690
Vd
33.887993
glass code
648339
glass status
standard
density
value: 2790
thermal expansion
value: 8.5e-06, temperature range: 243 343; value: 1.03e-05, temperature range: 293 573
dPgF
0.0058
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 1.74e-07 K⁻¹ at 633 nm, dn/dT = -8.03e-07 K⁻¹ at 1310 nm, dn/dT = -8.69e-07 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-ZF1A (CDGM), H-ZF1A: n and k versus wavelength
λ (µm)nk
0.3651.7012935.152050e-06
0.3666981.7002944.212167e-06
0.3684031.6993123.267912e-06
0.371.6984132.384000e-06
0.3701171.6983482.365781e-06
0.3718381.69742.097550e-06
0.3735681.6964691.828071e-06
0.3753061.6955531.557340e-06
0.3770511.6946531.285348e-06
0.3788051.6937671.012092e-06
0.381.6931758.259100e-07
0.3805671.6928977.993893e-07
0.3823371.692047.165944e-07
0.3841161.6911986.334144e-07
0.3859021.6903695.498475e-07
0.3876971.6895534.658919e-07
0.38951.688753.815458e-07
0.391.6885313.581800e-07
0.3913121.687963.352517e-07
0.3931321.6871823.034469e-07
0.3949611.6864172.714941e-07
0.3967981.6856632.393928e-07
0.3986441.684922.071421e-07
0.41.6843841.834400e-07
0.4004981.6841891.810657e-07
0.4023611.6834691.721806e-07
0.4042321.6827591.632543e-07
0.4061121.682061.542864e-07
0.4080011.6813711.452768e-07
0.4098991.6806931.362253e-07
0.4118061.6800241.271317e-07
0.4137211.6793651.179958e-07
0.4156451.6787151.088174e-07
0.4175791.6780749.959630e-08
0.4195211.6774439.033232e-08
0.421.6772898.804800e-08
0.4214721.676828.651074e-08
0.4234331.6762078.446398e-08
0.4254021.6756018.240770e-08
0.4273811.6750048.034185e-08
0.4293691.6744167.826639e-08
0.4313661.6738357.618128e-08
0.4333721.6732627.408647e-08
0.4353881.6726977.198192e-08
0.4374131.6721396.986758e-08
0.4394481.6715896.774340e-08
0.441.6714426.716700e-08
0.4414921.6710466.600650e-08
0.4435451.6705116.440916e-08
0.4456091.6699826.280440e-08
0.4476811.669466.119217e-08
0.4497641.6689465.957245e-08
0.4518561.6684375.794518e-08
0.4539571.6679365.631035e-08
0.4560691.667445.466792e-08
0.458191.6669515.301785e-08
0.461.6665415.161000e-08
0.4603211.6664685.152171e-08
0.4624621.6659925.093334e-08
0.4646131.6655215.034223e-08
0.4667751.6650564.974836e-08
0.4689461.6645974.915174e-08
0.4711271.6641444.855234e-08
0.4733181.6636964.795015e-08
0.475521.6632544.734516e-08
0.4777321.6628174.673736e-08
0.4799541.6623854.612673e-08
0.481.6623764.611400e-08
0.4821861.6619594.544451e-08
0.4844291.6615384.475765e-08
0.4866821.6611224.406759e-08
0.4889461.6607114.337433e-08
0.491221.6603044.267784e-08
0.4935051.6599034.197811e-08
0.49581.6595064.127513e-08
0.4981071.6591144.056888e-08
0.51.6587973.998900e-08
0.5004231.6587273.991073e-08
0.5027511.6583443.948039e-08
0.5050891.6579653.904806e-08
0.5074391.6575913.861371e-08
0.5097991.6572223.817735e-08
0.512171.6568563.773895e-08
0.5145531.6564953.729852e-08
0.5169461.6561373.685603e-08
0.519351.6557843.641149e-08
0.5217661.6554353.596488e-08
0.5241931.655093.551620e-08
0.5266311.6547493.506542e-08
0.5290811.6544113.461255e-08
0.5315421.6540773.415758e-08
0.5340141.6537473.370048e-08
0.5364981.6534213.324126e-08
0.5389931.6530983.277991e-08
0.54151.6527793.231641e-08
0.5440191.6524633.185075e-08
0.5465491.652153.138293e-08
0.5490921.6518423.091293e-08
0.551.6517323.074500e-08
0.5516461.6515363.067881e-08
0.5542121.6512343.057561e-08
0.5567891.6509353.047193e-08
0.5593791.6506393.036777e-08
0.5619811.6503463.026312e-08
0.5645951.6500563.015799e-08
0.5672211.649773.005237e-08
0.5698591.6494862.994625e-08
0.572511.6492062.983964e-08
0.5751731.6489282.973254e-08
0.5778481.6486532.962494e-08
0.5805361.6483822.951684e-08
0.5832361.6481132.940823e-08
0.5859491.6478462.929912e-08
0.5886751.6475832.918951e-08
0.5914131.6473222.907938e-08
0.5941641.6470642.896874e-08
0.5969271.6468082.885759e-08
0.5997041.6465552.874591e-08
0.61.6465292.873400e-08
0.6024931.6463052.859408e-08
0.6052961.6460572.843681e-08
0.6081111.6458122.827881e-08
0.610941.6455692.812007e-08
0.6137811.6453292.796060e-08
0.6166361.645092.780038e-08
0.6195041.6448552.763942e-08
0.6223861.6446212.747771e-08
0.6252811.644392.731525e-08
0.6281891.6441612.715203e-08
0.6311111.6439352.698805e-08
0.6340471.643712.682331e-08
0.6369961.6434882.665780e-08
0.6399591.6432682.649152e-08
0.6429351.643052.632447e-08
0.6459261.6428342.615665e-08
0.648931.642622.598804e-08
0.651.6425452.592800e-08
0.6519491.6424082.578763e-08
0.6549811.6421982.556917e-08
0.6580281.6419912.534970e-08
0.6610881.6417852.512921e-08
0.6641631.6415812.490769e-08
0.6672521.6413792.468514e-08
0.6703561.6411782.446155e-08
0.6734741.640982.423693e-08
0.6766071.6407832.401126e-08
0.6797541.6405892.378454e-08
0.6829151.6403962.355677e-08
0.6860921.6402042.332794e-08
0.6892831.6400152.309804e-08
0.6924891.6398272.286707e-08
0.695711.6396412.263503e-08
0.6989461.6394562.240191e-08
0.71.6393972.232600e-08
0.7021971.6392742.239609e-08
0.7054631.6390922.250028e-08
0.7087451.6389132.260496e-08
0.7120411.6387352.271012e-08
0.7153531.6385582.281577e-08
0.7186811.6383832.292191e-08
0.7220231.638212.302855e-08
0.7253821.6380382.313568e-08
0.7287561.6378672.324331e-08
0.7321461.6376982.335144e-08
0.7355511.637532.346008e-08
0.7389721.6373642.356922e-08
0.7424091.6371992.367886e-08
0.7458631.6370362.378902e-08
0.7493321.6368742.389969e-08
0.7528171.6367132.401087e-08
0.7563191.6365532.412257e-08
0.7598371.6363952.423479e-08
0.7633711.6362382.434754e-08
0.7669221.6360832.446080e-08
0.7704891.6359282.457460e-08
0.7740731.6357752.468892e-08
0.7776731.6356232.480378e-08
0.781291.6354722.491916e-08
0.7849241.6353232.503509e-08
0.7885751.6351742.515156e-08
0.7922431.6350272.526856e-08
0.7959281.6348812.538611e-08
0.799631.6347362.550421e-08
0.81.6347212.551600e-08
0.803351.6345922.471379e-08
0.8070861.6344492.381894e-08
0.810841.6343072.291993e-08
0.8146121.6341662.201673e-08
0.8184011.6340272.110933e-08
0.8222081.6338882.019772e-08
0.8260321.633751.928186e-08
0.8298741.6336131.836174e-08
0.8337341.6334781.743734e-08
0.8376121.6333431.650865e-08
0.8415081.6332091.557563e-08
0.8454221.6330761.463827e-08
0.8493551.6329441.369656e-08
0.851.6329221.354200e-08
0.8533051.6328131.359462e-08
0.8572741.6326831.365781e-08
0.8612621.6325531.372129e-08
0.8652681.6324251.378506e-08
0.8692921.6322971.384913e-08
0.8733361.632171.391350e-08
0.8773981.6320441.397817e-08
0.8814791.6319191.404315e-08
0.8855791.6317951.410842e-08
0.8896981.6316711.417399e-08
0.8938361.6315491.423988e-08
0.8979941.6314261.430606e-08
0.91.6313681.433800e-08
0.9021711.6313051.437260e-08
0.9063671.6311851.443949e-08
0.9105831.6310651.450669e-08
0.9148181.6309461.457420e-08
0.9190731.6308271.464203e-08
0.9233481.6307091.471017e-08
0.9276431.6305921.477863e-08
0.9319581.6304761.484741e-08
0.9362931.630361.491651e-08
0.9406481.6302451.498593e-08
0.9450231.630131.505567e-08
0.9494191.6300161.512573e-08
0.951.6300011.513500e-08
0.9538351.6299031.519605e-08
0.9582711.629791.526668e-08
0.9627291.6296781.533764e-08
0.9672071.6295671.540893e-08
0.9717051.6294561.548055e-08
0.9762251.6293451.555250e-08
0.9807661.6292351.562479e-08
0.9853281.6291261.569742e-08
0.9899111.6290171.577038e-08
0.9945151.6289081.584368e-08
0.9991411.62881.591732e-08
11.628781.593100e-08
1.003791.6286931.599136e-08
1.008461.6285861.606575e-08
1.013151.6284791.614049e-08
1.017861.6283731.621558e-08
1.022591.6282681.629101e-08
1.027351.6281631.636680e-08
1.032131.6280581.644293e-08
1.036931.6279531.651943e-08
1.041751.627851.659628e-08
1.04661.6277461.667348e-08
1.051471.6276431.675105e-08
1.056361.627541.682897e-08
1.061.6274641.688700e-08
1.061271.6274371.690726e-08
1.066211.6273351.698593e-08
1.071171.6272331.706496e-08
1.076151.6271321.714435e-08
1.081151.6270311.722412e-08
1.086181.626931.730426e-08
1.091241.6268291.738477e-08
1.096311.6267291.746565e-08
1.101411.6266291.754691e-08
1.106531.626531.762855e-08
1.111681.626431.771057e-08
1.116851.6263311.779297e-08
1.122051.6262321.787576e-08
1.127271.6261331.795892e-08
1.132511.6260351.804248e-08
1.137781.6259361.812642e-08
1.143071.6258381.821076e-08
1.148391.625741.829549e-08
1.153731.6256431.838061e-08
1.159091.6255451.846612e-08
1.164481.6254481.855204e-08
1.16991.6253511.863835e-08
1.175341.6252541.872507e-08
1.180811.6251571.881219e-08
1.18631.625061.889971e-08
1.191821.6249631.898764e-08
1.197361.6248671.907598e-08
1.21.6248211.911800e-08
1.202931.624771.965653e-08
1.208531.6246742.068398e-08
1.214151.6245772.171621e-08
1.21981.6244812.275325e-08
1.225471.6243852.379510e-08
1.231171.6242892.484181e-08
1.23691.6241932.589338e-08
1.242651.6240972.694984e-08
1.248431.6240012.801122e-08
1.254241.6239052.907753e-08
1.260071.6238093.014881e-08
1.265931.6237133.122506e-08
1.271821.6236173.230632e-08
1.277741.6235213.339262e-08
1.283681.6234253.448396e-08
1.289651.6233293.558038e-08
1.295651.6232333.668190e-08
1.301671.6231373.778855e-08
1.307731.6230413.890034e-08
1.313811.6229444.001730e-08
1.319921.6228484.113946e-08
1.326061.6227514.226684e-08
1.332231.6226554.339946e-08
1.338431.6225584.453735e-08
1.344651.6224614.568053e-08
1.350911.6223654.682903e-08
1.357191.6222674.798287e-08
1.36351.622174.914208e-08
1.369851.6220735.030668e-08
1.376221.6219755.147670e-08
1.382621.6218785.265216e-08
1.389051.621785.383308e-08
1.395511.6216825.501950e-08
1.41.6216145.584400e-08
1.4021.6215845.643695e-08
1.408521.6214855.836937e-08
1.415071.6213866.031078e-08
1.421661.6212876.226121e-08
1.428271.6211886.422072e-08
1.434911.6210896.618935e-08
1.441591.6209896.816713e-08
1.448291.6208897.015411e-08
1.455031.6207897.215033e-08
1.46181.6206897.415583e-08
1.468591.6205887.617067e-08
1.475431.6204877.819487e-08
1.482291.6203858.022850e-08
1.489181.6202848.227158e-08
1.496111.6201818.432416e-08
1.503071.6200798.638629e-08
1.510061.6199768.845801e-08
1.517081.6198739.053937e-08
1.524141.619779.263041e-08
1.531231.6196669.473118e-08
1.538351.6195619.684171e-08
1.545511.6194579.896207e-08
1.55271.6193521.010923e-07
1.559921.6192461.032324e-07
1.567171.619141.053825e-07
1.574461.6190341.075426e-07
1.581791.6189271.097127e-07
1.589141.618821.118929e-07
1.596541.6187121.140833e-07
1.61.6186611.151100e-07
1.603961.6186031.208871e-07
1.611421.6184951.317675e-07
1.618921.6183851.426986e-07
1.626451.6182761.536805e-07
1.634011.6181651.647135e-07
1.641611.6180541.757979e-07
1.649251.6179431.869337e-07
1.656921.6178311.981214e-07
1.664631.6177182.093611e-07
1.672371.6176052.206531e-07
1.680151.6174912.319976e-07
1.687961.6173772.433949e-07
1.695811.6172622.548452e-07
1.70371.6171462.663488e-07
1.711631.617032.779058e-07
1.719591.6169132.895166e-07
1.727591.6167963.011815e-07
1.735621.6166783.129006e-07
1.743691.6165593.246741e-07
1.751811.6164393.365025e-07
1.759951.6163193.483859e-07
1.768141.6161983.603245e-07
1.776361.6160763.723187e-07
1.784631.6159533.843686e-07
1.792931.615833.964747e-07
1.81.6157254.067900e-07
1.801271.6157064.093835e-07
1.809641.6155814.265409e-07
1.818061.6154554.437782e-07
1.826521.6153294.610957e-07
1.835011.6152024.784937e-07
1.843551.6150744.959726e-07
1.852121.6149455.135328e-07
1.860741.6148155.311747e-07
1.869391.6146845.488987e-07
1.878091.6145525.667051e-07
1.886821.614425.845943e-07
1.89561.6142876.025668e-07
1.904421.6141526.206228e-07
1.913281.6140176.387628e-07
1.922181.6138816.569872e-07
1.931121.6137436.752964e-07
1.94011.6136056.936907e-07
1.949121.6134667.121705e-07
1.958191.6133267.307364e-07
1.96731.6131857.493886e-07
1.976451.6130427.681275e-07
1.985641.6128997.869536e-07
1.994881.6127558.058673e-07
21.6126748.163600e-07
2.004161.6126098.421929e-07
2.013481.6124629.001495e-07
2.022841.6123159.583758e-07
2.032251.6121661.016873e-06
2.04171.6120161.075642e-06
2.05121.6118651.134684e-06
2.060741.6117121.194002e-06
2.070331.6115591.253595e-06
2.079961.6114041.313465e-06
2.089631.6112481.373614e-06
2.099351.6110911.434042e-06
2.109121.6109321.494752e-06
2.118931.6107721.555744e-06
2.128781.6106111.617019e-06
2.138681.6104491.678580e-06
2.148631.6102851.740427e-06
2.158621.610121.802561e-06
2.168671.6099531.864985e-06
2.178751.6097851.927699e-06
2.188891.6096161.990705e-06
2.199071.6094452.054004e-06
2.21.609432.059800e-06
2.20931.6092732.106244e-06
2.219571.60912.157584e-06
2.22991.6089242.209162e-06
2.240271.6087482.260981e-06
2.250691.608572.313040e-06
2.261161.608392.365342e-06
2.271671.6082092.417887e-06
2.282241.6080262.470676e-06
2.292861.6078422.523711e-06
2.303521.6076552.576992e-06
2.314241.6074682.630522e-06
2.3251.6072782.684300e-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
—