Optical constants

Refractive index of H-ZF39 (CDGM)

H-ZF39: 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
1.6668
Extinction coefficient k
1.87414e-08
Permittivity ε1
2.77821
Permittivity ε2
6.24763e-08
Absorption coefficient α
0.00400803 cm⁻¹
Penetration depth δ = λ/(2πk)
4.98998e+09 nm
Abbe number Vd
33.054
Chromatic dispersion dn/dλ
-0.10181 µm⁻¹
Group index ng
1.72662
Group velocity dispersion
201.671 fs²/mm
Dispersion parameter D
-1100.22 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-ZF39 (CDGM): H-ZF39
cdgm_h_zf39 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZF39", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zf39.range_nm)  # (365, 2325) nm
eps = cdgm_h_zf39.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=0.153633529λ2λ2−0.060380621+1.54070508λ2λ2−0.0118591415+1.20956745λ2λ2−119.979606

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C20.153633529
C30.060380621
C41.54070508
C50.0118591415
C61.20956745
C7119.979606

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -4.14e-06 1.44e-08 -6.69e-11 8.18e-07 9.54e-10 0.274
nd
1.666800
Vd
33.053728
glass code
667331
density
value: 2920
thermal expansion
value: 9e-06, temperature range: 243 343; value: 1.12e-05, temperature range: 293 573
dPgF
0.0061
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = -8.64e-07 K⁻¹ at 633 nm, dn/dT = -1.88e-06 K⁻¹ at 1310 nm, dn/dT = -1.94e-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-ZF39 (CDGM), H-ZF39: n and k versus wavelength
λ (µm)nk
0.3651.7236276.062550e-06
0.3666981.7225614.989972e-06
0.3684031.7215143.912404e-06
0.371.7205552.903700e-06
0.3701171.7204862.882106e-06
0.3718381.7194762.564190e-06
0.3735681.7184842.244795e-06
0.3753061.7175081.923915e-06
0.3770511.716551.601542e-06
0.3788051.7156071.277669e-06
0.381.7149771.057000e-06
0.3805671.7146811.023812e-06
0.3823371.7137699.202042e-07
0.3841161.7128738.161140e-07
0.3859021.7119927.115397e-07
0.3876971.7111246.064790e-07
0.38951.7102715.009296e-07
0.391.7100384.716900e-07
0.3913121.7094314.428112e-07
0.3931321.7086054.027521e-07
0.3949611.7077913.625067e-07
0.3967981.706993.220741e-07
0.3986441.7062022.814535e-07
0.41.7056322.516000e-07
0.4004981.7054252.480432e-07
0.4023611.704662.347332e-07
0.4042321.7039072.213612e-07
0.4061121.7031652.079270e-07
0.4080011.7024341.944304e-07
0.4098991.7017141.808710e-07
0.4118061.7010051.672485e-07
0.4137211.7003061.535627e-07
0.4156451.6996161.398132e-07
0.4175791.6989371.259997e-07
0.4195211.6982681.121220e-07
0.421.6981051.087000e-07
0.4214721.6976081.059052e-07
0.4234331.6969571.021842e-07
0.4254021.6963159.844584e-08
0.4273811.6956839.469009e-08
0.4293691.6950599.091688e-08
0.4313661.6944438.712611e-08
0.4333721.6938368.331771e-08
0.4353881.6932387.949160e-08
0.4374131.6926477.564770e-08
0.4394481.6920647.178591e-08
0.441.6919087.073800e-08
0.4414921.6914896.958817e-08
0.4435451.6909226.800551e-08
0.4456091.6903626.641550e-08
0.4476811.689816.481809e-08
0.4497641.6892656.321325e-08
0.4518561.6887276.160095e-08
0.4539571.6881965.998115e-08
0.4560691.6876715.835381e-08
0.458191.6871545.671890e-08
0.461.6867195.532400e-08
0.4603211.6866435.511398e-08
0.4624621.6861385.371434e-08
0.4646131.685645.230819e-08
0.4667751.6851485.089550e-08
0.4689461.6846634.947624e-08
0.4711271.6841834.805037e-08
0.4733181.6837094.661788e-08
0.475521.6832424.517872e-08
0.4777321.682784.373286e-08
0.4799541.6823234.228028e-08
0.481.6823144.225000e-08
0.4821861.6818724.156378e-08
0.4844291.6814274.085977e-08
0.4866821.6809874.015248e-08
0.4889461.6805523.944189e-08
0.491221.6801233.872801e-08
0.4935051.6796983.801080e-08
0.49581.6792793.729026e-08
0.4981071.6788643.656636e-08
0.51.6785293.597200e-08
0.5004231.6784553.581594e-08
0.5027511.678053.495798e-08
0.5050891.677653.409602e-08
0.5074391.6772553.323005e-08
0.5097991.6768643.236006e-08
0.512171.6764783.148602e-08
0.5145531.6760963.060791e-08
0.5169461.6757182.972572e-08
0.519351.6753452.883943e-08
0.5217661.6749762.794901e-08
0.5241931.6746122.705446e-08
0.5266311.6742512.615574e-08
0.5290811.6738952.525284e-08
0.5315421.6735422.434574e-08
0.5340141.6731932.343442e-08
0.5364981.6728492.251886e-08
0.5389931.6725082.159905e-08
0.54151.6721712.067496e-08
0.5440191.6718371.974656e-08
0.5465491.6715071.881385e-08
0.5490921.6711811.787681e-08
0.551.6710661.754200e-08
0.5516461.6708591.759450e-08
0.5542121.6705391.767635e-08
0.5567891.6702241.775858e-08
0.5593791.6699111.784120e-08
0.5619811.6696021.792420e-08
0.5645951.6692971.800758e-08
0.5672211.6689941.809135e-08
0.5698591.6686951.817552e-08
0.572511.6683991.826007e-08
0.5751731.6681061.834502e-08
0.5778481.6678171.843036e-08
0.5805361.667531.851610e-08
0.5832361.6672461.860224e-08
0.5859491.6669651.868878e-08
0.5886751.6666871.877572e-08
0.5914131.6664121.886307e-08
0.5941641.666141.895082e-08
0.5969271.6658711.903898e-08
0.5997041.6656041.912755e-08
0.61.6655761.913700e-08
0.6024931.665341.921653e-08
0.6052961.6650791.930593e-08
0.6081111.664821.939574e-08
0.610941.6645641.948597e-08
0.6137811.664311.957662e-08
0.6166361.664061.966769e-08
0.6195041.6638111.975919e-08
0.6223861.6635651.985111e-08
0.6252811.6633221.994346e-08
0.6281891.663082.003623e-08
0.6311111.6628422.012944e-08
0.6340471.6626052.022308e-08
0.6369961.6623712.031716e-08
0.6399591.6621392.041168e-08
0.6429351.661912.050663e-08
0.6459261.6616822.060203e-08
0.648931.6614572.069787e-08
0.651.6613782.073200e-08
0.6519491.6612342.057627e-08
0.6549811.6610132.033392e-08
0.6580281.6607952.009044e-08
0.6610881.6605781.984583e-08
0.6641631.6603631.960008e-08
0.6672521.660151.935319e-08
0.6703561.659941.910515e-08
0.6734741.6597311.885595e-08
0.6766071.6595241.860560e-08
0.6797541.6593191.835408e-08
0.6829151.6591161.810139e-08
0.6860921.6589151.784753e-08
0.6892831.6587161.759249e-08
0.6924891.6585191.733626e-08
0.695711.6583231.707884e-08
0.6989461.6581291.682022e-08
0.71.6580661.673600e-08
0.7021971.6579371.664831e-08
0.7054631.6577461.651795e-08
0.7087451.6575581.638700e-08
0.7120411.6573711.625543e-08
0.7153531.6571851.612325e-08
0.7186811.6570011.599045e-08
0.7220231.6568191.585704e-08
0.7253821.6566391.572301e-08
0.7287561.656461.558835e-08
0.7321461.6562821.545307e-08
0.7355511.6561061.531716e-08
0.7389721.6559321.518062e-08
0.7424091.6557591.504344e-08
0.7458631.6555871.490562e-08
0.7493321.6554171.476716e-08
0.7528171.6552481.462806e-08
0.7563191.6550811.448831e-08
0.7598371.6549151.434791e-08
0.7633711.6547511.420686e-08
0.7669221.6545881.406515e-08
0.7704891.6544261.392279e-08
0.7740731.6542651.377976e-08
0.7776731.6541061.363606e-08
0.781291.6539481.349170e-08
0.7849241.6537911.334666e-08
0.7885751.6536361.320096e-08
0.7922431.6534821.305457e-08
0.7959281.6533291.290750e-08
0.799631.6531771.275975e-08
0.81.6531621.274500e-08
0.803351.6530261.279840e-08
0.8070861.6528771.285796e-08
0.810841.6527291.291780e-08
0.8146121.6525811.297791e-08
0.8184011.6524351.303831e-08
0.8222081.652291.309899e-08
0.8260321.6521461.315995e-08
0.8298741.6520031.322119e-08
0.8337341.6518621.328272e-08
0.8376121.6517211.334454e-08
0.8415081.6515811.340664e-08
0.8454221.6514421.346903e-08
0.8493551.6513041.353171e-08
0.851.6512821.354200e-08
0.8533051.6511681.359462e-08
0.8572741.6510321.365781e-08
0.8612621.6508971.372129e-08
0.8652681.6507631.378506e-08
0.8692921.650631.384913e-08
0.8733361.6504981.391350e-08
0.8773981.6503661.397817e-08
0.8814791.6502361.404315e-08
0.8855791.6501061.410842e-08
0.8896981.6499781.417399e-08
0.8938361.649851.423988e-08
0.8979941.6497231.430606e-08
0.91.6496621.433800e-08
0.9021711.6495971.437260e-08
0.9063671.6494711.443949e-08
0.9105831.6493461.450669e-08
0.9148181.6492231.457420e-08
0.9190731.6490991.464203e-08
0.9233481.6489771.471017e-08
0.9276431.6488551.477863e-08
0.9319581.6487341.484741e-08
0.9362931.6486141.491651e-08
0.9406481.6484951.498593e-08
0.9450231.6483761.505567e-08
0.9494191.6482581.512573e-08
0.951.6482421.513500e-08
0.9538351.648141.519605e-08
0.9582711.6480231.526668e-08
0.9627291.6479071.533764e-08
0.9672071.6477911.540893e-08
0.9717051.6476761.548055e-08
0.9762251.6475621.555250e-08
0.9807661.6474481.562479e-08
0.9853281.6473351.569742e-08
0.9899111.6472221.577038e-08
0.9945151.647111.584368e-08
0.9991411.6469981.591732e-08
11.6469781.593100e-08
1.003791.6468871.599136e-08
1.008461.6467771.606575e-08
1.013151.6466671.614049e-08
1.017861.6465571.621558e-08
1.022591.6464481.629101e-08
1.027351.646341.636680e-08
1.032131.6462321.644293e-08
1.036931.6461241.651943e-08
1.041751.6460171.659628e-08
1.04661.645911.667348e-08
1.051471.6458041.675105e-08
1.056361.6456981.682897e-08
1.061.645621.688700e-08
1.061271.6455921.690726e-08
1.066211.6454871.698593e-08
1.071171.6453831.706496e-08
1.076151.6452781.714435e-08
1.081151.6451741.722412e-08
1.086181.6450711.730426e-08
1.091241.6449671.738477e-08
1.096311.6448641.746565e-08
1.101411.6447621.754691e-08
1.106531.644661.762855e-08
1.111681.6445581.771057e-08
1.116851.6444561.779297e-08
1.122051.6443551.787576e-08
1.127271.6442531.795892e-08
1.132511.6441531.804248e-08
1.137781.6440521.812642e-08
1.143071.6439521.821076e-08
1.148391.6438511.829549e-08
1.153731.6437521.838061e-08
1.159091.6436521.846612e-08
1.164481.6435521.855204e-08
1.16991.6434531.863835e-08
1.175341.6433541.872507e-08
1.180811.6432551.881219e-08
1.18631.6431561.889971e-08
1.191821.6430581.898764e-08
1.197361.6429591.907598e-08
1.21.6429131.911800e-08
1.202931.6428611.916472e-08
1.208531.6427631.925385e-08
1.214151.6426651.934340e-08
1.21981.6425671.943336e-08
1.225471.6424691.952374e-08
1.231171.6423721.961454e-08
1.23691.6422741.970577e-08
1.242651.6421771.979742e-08
1.248431.6420791.988949e-08
1.254241.6419821.998199e-08
1.260071.6418842.007493e-08
1.265931.6417872.016829e-08
1.271821.641692.026209e-08
1.277741.6415932.035633e-08
1.283681.6414952.045101e-08
1.289651.6413982.054612e-08
1.295651.6413012.064168e-08
1.301671.6412042.073768e-08
1.307731.6411062.083413e-08
1.313811.6410092.093103e-08
1.319921.6409122.102837e-08
1.326061.6408142.112617e-08
1.332231.6407172.122443e-08
1.338431.6406192.132314e-08
1.344651.6405222.142231e-08
1.350911.6404242.152195e-08
1.357191.6403262.162204e-08
1.36351.6402282.172260e-08
1.369851.640132.182363e-08
1.376221.6400322.192513e-08
1.382621.6399342.202711e-08
1.389051.6398352.212955e-08
1.395511.6397372.223247e-08
1.41.6396692.230400e-08
1.4021.6396382.259142e-08
1.408521.6395392.352812e-08
1.415071.639442.446918e-08
1.421661.6393412.541462e-08
1.428271.6392412.636445e-08
1.434911.6391422.731870e-08
1.441591.6390422.827739e-08
1.448291.6389422.924054e-08
1.455031.6388413.020816e-08
1.46181.6387413.118029e-08
1.468591.638643.215694e-08
1.475431.6385393.313814e-08
1.482291.6384373.412389e-08
1.489181.6383363.511424e-08
1.496111.6382343.610918e-08
1.503071.6381313.710876e-08
1.510061.6380293.811299e-08
1.517081.6379263.912188e-08
1.524141.6378234.013547e-08
1.531231.6377194.115378e-08
1.538351.6376154.217682e-08
1.545511.6375114.320462e-08
1.55271.6374064.423720e-08
1.559921.6373014.527458e-08
1.567171.6371954.631679e-08
1.574461.6370894.736384e-08
1.581791.6369834.841577e-08
1.589141.6368764.947258e-08
1.596541.6367695.053432e-08
1.61.6367195.103200e-08
1.603961.6366625.895521e-08
1.611421.6365547.387773e-08
1.618921.6364458.886967e-08
1.626451.6363361.039313e-07
1.634011.6362261.190631e-07
1.641611.6361161.342652e-07
1.649251.6360061.495380e-07
1.656921.6358951.648818e-07
1.664631.6357831.802971e-07
1.672371.6356711.957840e-07
1.680151.6355592.113429e-07
1.687961.6354452.269743e-07
1.695811.6353322.426783e-07
1.70371.6352172.584554e-07
1.711631.6351022.743059e-07
1.719591.6349872.902300e-07
1.727591.634873.062283e-07
1.735621.6347543.223010e-07
1.743691.6346363.384484e-07
1.751811.6345183.546710e-07
1.759951.6343993.709689e-07
1.768141.634283.873428e-07
1.776361.6341594.037927e-07
1.784631.6340394.203192e-07
1.792931.6339174.369225e-07
1.81.6338134.510700e-07
1.801271.6337954.542353e-07
1.809641.6336724.751760e-07
1.818061.6335484.962141e-07
1.826521.6334235.173501e-07
1.835011.6332985.385843e-07
1.843551.6331725.599173e-07
1.852121.6330455.813496e-07
1.860741.6329176.028815e-07
1.869391.6327886.245136e-07
1.878091.6326596.462463e-07
1.886821.6325296.680801e-07
1.89561.6323986.900154e-07
1.904421.6322667.120528e-07
1.913281.6321337.341927e-07
1.922181.6319997.564356e-07
1.931121.6318647.787819e-07
1.94011.6317288.012321e-07
1.949121.6315928.237868e-07
1.958191.6314548.464464e-07
1.96731.6313168.692114e-07
1.976451.6311768.920823e-07
1.985641.6310359.150595e-07
1.994881.6308949.381437e-07
21.6308159.509500e-07
2.004161.6307519.756280e-07
2.013481.6306081.030994e-06
2.022841.6304631.086617e-06
2.032251.6303171.142499e-06
2.04171.630171.198640e-06
2.05121.6300221.255043e-06
2.060741.6298731.311709e-06
2.070331.6297231.368637e-06
2.079961.6295711.425831e-06
2.089631.6294191.483291e-06
2.099351.6292651.541018e-06
2.109121.629111.599013e-06
2.118931.6289531.657278e-06
2.128781.6287961.715814e-06
2.138681.6286371.774623e-06
2.148631.6284771.833705e-06
2.158621.6283161.893062e-06
2.168671.6281531.952695e-06
2.178751.6279892.012605e-06
2.188891.6278242.072794e-06
2.199071.6276572.133263e-06
2.21.6276422.138800e-06
2.20931.6274892.195224e-06
2.219571.627322.257595e-06
2.22991.6271492.320256e-06
2.240271.6269772.383209e-06
2.250691.6268032.446454e-06
2.261161.6266282.509994e-06
2.271671.6264512.573830e-06
2.282241.6262732.637962e-06
2.292861.6260932.702392e-06
2.303521.6259122.767122e-06
2.314241.6257292.832154e-06
2.3251.6255442.897488e-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
—