Optical constants

Refractive index of H-ZF5 (CDGM)

H-ZF5: 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. Note: k data cover 370-2400 nm only; k = 0 elsewhere in the n range 365-2325 nm.

At one wavelength

Range 0.365–2.325 µm
Refractive index n
1.74
Extinction coefficient k
3.28468e-08
Permittivity ε1
3.02758
Permittivity ε2
1.14307e-07
Absorption coefficient α
0.0070246 cm⁻¹
Penetration depth δ = λ/(2πk)
2.84714e+09 nm
Abbe number Vd
28.296
Chromatic dispersion dn/dλ
-0.131273 µm⁻¹
Group index ng
1.81713
Group velocity dispersion
266.804 fs²/mm
Dispersion parameter D
-1455.56 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-ZF5 (CDGM): H-ZF5
cdgm_h_zf5 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZF5", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zf5.range_nm)  # (365, 2325) nm
eps = cdgm_h_zf5.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=1.70024855λ2λ2−0.0133277515+1.36322884λ2λ2−122.33381+0.214513422λ2λ2−0.0635762871

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C21.70024855
C30.0133277515
C41.36322884
C5122.33381
C60.214513422
C70.0635762871

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -4.09e-06 1.23e-08 -2.03e-11 7.19e-07 1.12e-09 0.315
nd
1.740000
Vd
28.295649
glass code
740283
glass status
standard
density
value: 3160
thermal expansion
value: 8.9e-06, temperature range: 243 343; value: 1.08e-05, temperature range: 293 573
dPgF
0.0104
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = -9.87e-07 K⁻¹ at 633 nm, dn/dT = -2.05e-06 K⁻¹ at 1310 nm, dn/dT = -2.11e-06 K⁻¹ at 1550 nm
Notes on the source data (kept exactly as published):
  • k data cover 370-2400 nm only; k = 0 elsewhere in the n range 365-2325 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-ZF5 (CDGM), H-ZF5: n and k versus wavelength
λ (µm)nk
0.3651.8160630
0.3666981.8145810
0.3684031.8131270
0.371.8117974.471600e-06
0.3701171.8117014.438452e-06
0.3718381.8103033.950431e-06
0.3735681.8089313.460140e-06
0.3753061.8075852.967568e-06
0.3770511.8062632.472705e-06
0.3788051.8049661.975541e-06
0.381.8040991.636800e-06
0.3805671.8036921.587039e-06
0.3823371.8024421.431689e-06
0.3841161.8012131.275617e-06
0.3859021.8000061.118819e-06
0.3876971.798829.612917e-07
0.38951.7976558.030317e-07
0.391.7973367.591900e-07
0.3913121.7965097.153449e-07
0.3931321.7953836.545255e-07
0.3949611.7942765.934233e-07
0.3967981.7931875.320368e-07
0.3986441.7921164.703648e-07
0.41.7913444.250400e-07
0.4004981.7910634.194313e-07
0.4023611.7900273.984426e-07
0.4042321.7890073.773562e-07
0.4061121.7880043.561718e-07
0.4080011.7870173.348889e-07
0.4098991.7860453.135069e-07
0.4118061.7850892.920255e-07
0.4137211.7841472.704442e-07
0.4156451.783222.487625e-07
0.4175791.7823072.269800e-07
0.4195211.7814072.050961e-07
0.421.7811881.997000e-07
0.4214721.7805221.944494e-07
0.4234331.7796491.874586e-07
0.4254021.778791.804353e-07
0.4273811.7779431.733793e-07
0.4293691.7771081.662905e-07
0.4313661.7762861.591687e-07
0.4333721.7754751.520138e-07
0.4353881.7746761.448256e-07
0.4374131.7738891.376039e-07
0.4394481.7731131.303487e-07
0.441.7729051.283800e-07
0.4414921.7723471.254368e-07
0.4435451.7715931.213857e-07
0.4456091.7708491.173158e-07
0.4476811.7701151.132269e-07
0.4497641.7693911.091190e-07
0.4518561.7686781.049920e-07
0.4539571.7679741.008458e-07
0.4560691.7672799.668037e-08
0.458191.7665949.249552e-08
0.461.7660198.892500e-08
0.4603211.7659188.861105e-08
0.4624621.7652518.651876e-08
0.4646131.7645938.441674e-08
0.4667751.7639438.230494e-08
0.4689461.7633028.018332e-08
0.4711271.762677.805183e-08
0.4733181.7620467.591043e-08
0.475521.7614297.375907e-08
0.4777321.7608217.159769e-08
0.4799541.760226.942627e-08
0.481.7602086.938100e-08
0.4821861.7596276.748828e-08
0.4844291.7590426.554646e-08
0.4866821.7584646.359560e-08
0.4889461.7578936.163567e-08
0.491221.757335.966663e-08
0.4935051.7567735.768843e-08
0.49581.7562235.570102e-08
0.4981071.755685.370437e-08
0.51.7552415.206500e-08
0.5004231.7551445.188447e-08
0.5027511.7546145.089197e-08
0.5050891.7540914.989485e-08
0.5074391.7535744.889309e-08
0.5097991.7530644.788667e-08
0.512171.7525594.687557e-08
0.5145531.7520614.585977e-08
0.5169461.7515684.483925e-08
0.519351.7510814.381397e-08
0.5217661.75064.278393e-08
0.5241931.7501254.174910e-08
0.5266311.7496564.070945e-08
0.5290811.7491913.966497e-08
0.5315421.7487333.861563e-08
0.5340141.7482793.756141e-08
0.5364981.7478313.650228e-08
0.5389931.7473883.543823e-08
0.54151.746953.436923e-08
0.5440191.7465173.329526e-08
0.5465491.7460893.221629e-08
0.5490921.7456663.113231e-08
0.551.7455163.074500e-08
0.5516461.7452473.083699e-08
0.5542121.7448343.098043e-08
0.5567891.7444253.112453e-08
0.5593791.744023.126930e-08
0.5619811.743623.141474e-08
0.5645951.7432253.156086e-08
0.5672211.7428343.170766e-08
0.5698591.7424473.185514e-08
0.572511.7420643.200331e-08
0.5751731.7416863.215217e-08
0.5778481.7413113.230172e-08
0.5805361.7409413.245197e-08
0.5832361.7405753.260291e-08
0.5859491.7402133.275456e-08
0.5886751.7398543.290691e-08
0.5914131.73953.305997e-08
0.5941641.7391493.321375e-08
0.5969271.7388023.336823e-08
0.5997041.7384593.352344e-08
0.61.7384223.354000e-08
0.6024931.7381193.316044e-08
0.6052961.7377833.273380e-08
0.6081111.737453.230518e-08
0.610941.7371213.187457e-08
0.6137811.7367963.144195e-08
0.6166361.7364733.100732e-08
0.6195041.7361543.057067e-08
0.6223861.7358393.013198e-08
0.6252811.7355262.969126e-08
0.6281891.7352172.924849e-08
0.6311111.7349112.880366e-08
0.6340471.7346082.835675e-08
0.6369961.7343082.790777e-08
0.6399591.7340112.745671e-08
0.6429351.7337172.700354e-08
0.6459261.7334262.654827e-08
0.648931.7331382.609087e-08
0.651.7330372.592800e-08
0.6519491.7328532.578763e-08
0.6549811.7325712.556917e-08
0.6580281.7322912.534970e-08
0.6610881.7320142.512921e-08
0.6641631.731742.490769e-08
0.6672521.7314692.468514e-08
0.6703561.73122.446155e-08
0.6734741.7309342.423693e-08
0.6766071.730672.401126e-08
0.6797541.7304092.378454e-08
0.6829151.7301512.355677e-08
0.6860921.7298952.332794e-08
0.6892831.7296412.309804e-08
0.6924891.729392.286707e-08
0.695711.7291412.263503e-08
0.6989461.7288942.240191e-08
0.71.7288152.232600e-08
0.7021971.728652.225571e-08
0.7054631.7284082.215123e-08
0.7087451.7281692.204625e-08
0.7120411.7279312.194080e-08
0.7153531.7276962.183485e-08
0.7186811.7274632.172841e-08
0.7220231.7272322.162147e-08
0.7253821.7270032.151403e-08
0.7287561.7267762.140610e-08
0.7321461.7265522.129766e-08
0.7355511.7263292.118872e-08
0.7389721.7261082.107928e-08
0.7424091.7258892.096932e-08
0.7458631.7256732.085885e-08
0.7493321.7254582.074787e-08
0.7528171.7252452.063637e-08
0.7563191.7250342.052436e-08
0.7598371.7248242.041182e-08
0.7633711.7246172.029876e-08
0.7669221.7244112.018517e-08
0.7704891.7242072.007106e-08
0.7740731.7240051.995641e-08
0.7776731.7238051.984123e-08
0.781291.7236061.972552e-08
0.7849241.7234091.960927e-08
0.7885751.7232131.949247e-08
0.7922431.723021.937514e-08
0.7959281.7228271.925725e-08
0.799631.7226371.913882e-08
0.81.7226181.912700e-08
0.803351.7224481.875283e-08
0.8070861.722261.833545e-08
0.810841.7220741.791612e-08
0.8146121.721891.749485e-08
0.8184011.7217071.707161e-08
0.8222081.7215251.664641e-08
0.8260321.7213451.621923e-08
0.8298741.7211661.579006e-08
0.8337341.7209891.535890e-08
0.8376121.7208131.492573e-08
0.8415081.7206391.449054e-08
0.8454221.7204651.405333e-08
0.8493551.7202941.361409e-08
0.851.7202661.354200e-08
0.8533051.7201231.359462e-08
0.8572741.7199541.365781e-08
0.8612621.7197861.372129e-08
0.8652681.7196191.378506e-08
0.8692921.7194531.384913e-08
0.8733361.7192891.391350e-08
0.8773981.7191261.397817e-08
0.8814791.7189641.404315e-08
0.8855791.7188031.410842e-08
0.8896981.7186431.417399e-08
0.8938361.7184851.423988e-08
0.8979941.7183271.430606e-08
0.91.7182521.433800e-08
0.9021711.7181711.437260e-08
0.9063671.7180161.443949e-08
0.9105831.7178621.450669e-08
0.9148181.7177091.457420e-08
0.9190731.7175561.464203e-08
0.9233481.7174051.471017e-08
0.9276431.7172551.477863e-08
0.9319581.7171061.484741e-08
0.9362931.7169581.491651e-08
0.9406481.7168111.498593e-08
0.9450231.7166641.505567e-08
0.9494191.7165191.512573e-08
0.951.71651.513500e-08
0.9538351.7163741.519605e-08
0.9582711.7162311.526668e-08
0.9627291.7160881.533764e-08
0.9672071.7159461.540893e-08
0.9717051.7158051.548055e-08
0.9762251.7156651.555250e-08
0.9807661.7155261.562479e-08
0.9853281.7153871.569742e-08
0.9899111.7152491.577038e-08
0.9945151.7151121.584368e-08
0.9991411.7149761.591732e-08
11.7149511.593100e-08
1.003791.7148411.599136e-08
1.008461.7147061.606575e-08
1.013151.7145721.614049e-08
1.017861.7144391.621558e-08
1.022591.7143061.629101e-08
1.027351.7141741.636680e-08
1.032131.7140431.644293e-08
1.036931.7139121.651943e-08
1.041751.7137821.659628e-08
1.04661.7136531.667348e-08
1.051471.7135241.675105e-08
1.056361.7133961.682897e-08
1.061.7133011.688700e-08
1.061271.7132681.690726e-08
1.066211.7131411.698593e-08
1.071171.7130151.706496e-08
1.076151.7128891.714435e-08
1.081151.7127641.722412e-08
1.086181.7126391.730426e-08
1.091241.7125141.738477e-08
1.096311.7123911.746565e-08
1.101411.7122671.754691e-08
1.106531.7121451.762855e-08
1.111681.7120221.771057e-08
1.116851.71191.779297e-08
1.122051.7117791.787576e-08
1.127271.7116581.795892e-08
1.132511.7115371.804248e-08
1.137781.7114171.812642e-08
1.143071.7112971.821076e-08
1.148391.7111781.829549e-08
1.153731.7110591.838061e-08
1.159091.710941.846612e-08
1.164481.7108221.855204e-08
1.16991.7107041.863835e-08
1.175341.7105861.872507e-08
1.180811.7104691.881219e-08
1.18631.7103521.889971e-08
1.191821.7102351.898764e-08
1.197361.7101181.907598e-08
1.21.7100631.911800e-08
1.202931.7100021.998522e-08
1.208531.7098862.163979e-08
1.214151.709772.330205e-08
1.21981.7096552.497205e-08
1.225471.709542.664981e-08
1.231171.7094252.833538e-08
1.23691.709313.002878e-08
1.242651.7091953.173007e-08
1.248431.7090813.343926e-08
1.254241.7089663.515641e-08
1.260071.7088523.688154e-08
1.265931.7087383.861470e-08
1.271821.7086244.035592e-08
1.277741.7085114.210524e-08
1.283681.7083974.386269e-08
1.289651.7082844.562832e-08
1.295651.708174.740217e-08
1.301671.7080574.918426e-08
1.307731.7079445.097464e-08
1.313811.7078315.277335e-08
1.319921.7077175.458043e-08
1.326061.7076045.639591e-08
1.332231.7074915.821983e-08
1.338431.7073786.005224e-08
1.344651.7072656.189318e-08
1.350911.7071526.374267e-08
1.357191.7070396.560077e-08
1.36351.7069266.746751e-08
1.369851.7068136.934293e-08
1.376221.70677.122708e-08
1.382621.7065877.311999e-08
1.389051.7064737.502171e-08
1.395511.706367.693227e-08
1.41.7062827.826000e-08
1.4021.7062477.901487e-08
1.408521.7061338.147498e-08
1.415071.706028.394654e-08
1.421661.7059068.642959e-08
1.428271.7057928.892419e-08
1.434911.7056789.143039e-08
1.441591.7055649.394825e-08
1.448291.7054499.647782e-08
1.455031.7053359.901916e-08
1.46181.705221.015723e-07
1.468591.7051051.041374e-07
1.475431.704991.067143e-07
1.482291.7048751.093033e-07
1.489181.7047591.119043e-07
1.496111.7046441.145173e-07
1.503071.7045271.171426e-07
1.510061.7044111.197800e-07
1.517081.7042951.224298e-07
1.524141.7041781.250918e-07
1.531231.7040611.277663e-07
1.538351.7039431.304531e-07
1.545511.7038251.331525e-07
1.55271.7037071.358644e-07
1.559921.7035891.385889e-07
1.567171.703471.413262e-07
1.574461.7033511.440761e-07
1.581791.7032311.468388e-07
1.589141.7031111.496144e-07
1.596541.7029911.524029e-07
1.61.7029351.537100e-07
1.603961.702871.604793e-07
1.611421.7027491.732287e-07
1.618921.7026271.860373e-07
1.626451.7025051.989055e-07
1.634011.7023832.118336e-07
1.641611.702262.248218e-07
1.649251.7021362.378704e-07
1.656921.7020122.509797e-07
1.664631.7018882.641500e-07
1.672371.7017632.773816e-07
1.680151.7016372.906747e-07
1.687961.7015113.040296e-07
1.695811.7013853.174466e-07
1.70371.7012583.309261e-07
1.711631.701133.444682e-07
1.719591.7010023.580734e-07
1.727591.7008733.717418e-07
1.735621.7007433.854738e-07
1.743691.7006133.992696e-07
1.751811.7004824.131297e-07
1.759951.700354.270542e-07
1.768141.7002184.410434e-07
1.776361.7000854.550978e-07
1.784631.6999524.692175e-07
1.792931.6998184.834029e-07
1.81.6997034.954900e-07
1.801271.6996834.983741e-07
1.809641.6995475.174539e-07
1.818061.6994115.366225e-07
1.826521.6992735.558803e-07
1.835011.6991355.752277e-07
1.843551.6989975.946650e-07
1.852121.6988576.141928e-07
1.860741.6987176.338113e-07
1.869391.6985756.535212e-07
1.878091.6984336.733227e-07
1.886821.698296.932163e-07
1.89561.6981477.132024e-07
1.904421.6980027.332815e-07
1.913281.6978567.534540e-07
1.922181.697717.737204e-07
1.931121.6975627.940810e-07
1.94011.6974148.145363e-07
1.949121.6972648.350867e-07
1.958191.6971148.557327e-07
1.96731.6969638.764748e-07
1.976451.696818.973133e-07
1.985641.6966579.182488e-07
1.994881.6965039.392817e-07
21.6964179.509500e-07
2.004161.6963479.760393e-07
2.013481.6961911.032328e-06
2.022841.6960331.088878e-06
2.032251.6958741.145691e-06
2.04171.6957141.202769e-06
2.05121.6955531.260112e-06
2.060741.6953911.317722e-06
2.070331.6952281.375600e-06
2.079961.6950631.433747e-06
2.089631.6948971.492164e-06
2.099351.694731.550853e-06
2.109121.6945621.609815e-06
2.118931.6943931.669052e-06
2.128781.6942221.728564e-06
2.138681.694051.788352e-06
2.148631.6938761.848419e-06
2.158621.6937021.908765e-06
2.168671.6935261.969392e-06
2.178751.6933482.030301e-06
2.188891.6931692.091494e-06
2.199071.6929892.152970e-06
2.21.6929722.158600e-06
2.20931.6928072.234434e-06
2.219571.6926242.318262e-06
2.22991.692442.402480e-06
2.240271.6922532.487089e-06
2.250691.6920662.572092e-06
2.261161.6918772.657491e-06
2.271671.6916862.743286e-06
2.282241.6914942.829481e-06
2.292861.69132.916077e-06
2.303521.6911043.003075e-06
2.314241.6909073.090478e-06
2.3251.6907083.178288e-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
—