Optical constants

Refractive index of H-ZF3 (CDGM)

H-ZF3: 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
1.71736
Extinction coefficient k
2.92327e-08
Permittivity ε1
2.94931
Permittivity ε2
1.00406e-07
Absorption coefficient α
0.00625169 cm⁻¹
Penetration depth δ = λ/(2πk)
3.19914e+09 nm
Abbe number Vd
29.499
Chromatic dispersion dn/dλ
-0.122229 µm⁻¹
Group index ng
1.78918
Group velocity dispersion
246.89 fs²/mm
Dispersion parameter D
-1346.91 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-ZF3 (CDGM): H-ZF3
cdgm_h_zf3 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZF3", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zf3.range_nm)  # (365, 2325) nm
eps = cdgm_h_zf3.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=0.203624748λ2λ2−0.0620712732+1.64202576λ2λ2−0.0127139992+1.38768085λ2λ2−128.254467

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C20.203624748
C30.0620712732
C41.64202576
C50.0127139992
C61.38768085
C7128.254467

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -4.82e-06 1.32e-08 -3.85e-11 9.08e-07 1.03e-09 0.282
nd
1.717360
Vd
29.499110
glass code
717295
glass status
standard
density
value: 3060
thermal expansion
value: 9e-06, temperature range: 243 343; value: 1.12e-05, temperature range: 293 573
dPgF
0.0093
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = -1.12e-06 K⁻¹ at 633 nm, dn/dT = -2.33e-06 K⁻¹ at 1310 nm, dn/dT = -2.41e-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-ZF3 (CDGM), H-ZF3: n and k versus wavelength
λ (µm)nk
0.3651.7874777.472300e-06
0.3666981.7861266.204193e-06
0.3684031.7848014.930188e-06
0.371.7835883.737600e-06
0.3701171.78353.710289e-06
0.3718381.7822243.308207e-06
0.3735681.7809712.904255e-06
0.3753061.7797412.498424e-06
0.3770511.7785332.090705e-06
0.3788051.7773471.681090e-06
0.381.7765531.402000e-06
0.3805671.7761811.359804e-06
0.3823371.7750361.228071e-06
0.3841161.7739121.095726e-06
0.3859021.7728069.627659e-07
0.3876971.7717198.291869e-07
0.38951.7706516.949866e-07
0.391.7703596.578100e-07
0.3913121.76966.192305e-07
0.3931321.7685675.657153e-07
0.3949611.7675515.119512e-07
0.3967981.7665524.579369e-07
0.3986441.7655684.036715e-07
0.41.7648593.637900e-07
0.4004981.7646013.587400e-07
0.4023611.7636493.398424e-07
0.4042321.7627123.208568e-07
0.4061121.7617893.017830e-07
0.4080011.7608812.826204e-07
0.4098991.7599872.633687e-07
0.4118061.7591072.440274e-07
0.4137211.758242.245962e-07
0.4156451.7573862.050746e-07
0.4175791.7565451.854622e-07
0.4195211.7557171.657585e-07
0.421.7555151.609000e-07
0.4214721.75491.566404e-07
0.4234331.7540961.509689e-07
0.4254021.7533041.452711e-07
0.4273811.7525231.395467e-07
0.4293691.7517531.337958e-07
0.4313661.7509941.280180e-07
0.4333721.7502471.222134e-07
0.4353881.7495091.163819e-07
0.4374131.7487821.105231e-07
0.4394481.7480661.046372e-07
0.441.7478731.030400e-07
0.4414921.7473591.005917e-07
0.4435451.7466629.722190e-08
0.4456091.7459749.383639e-08
0.4476811.7452969.043514e-08
0.4497641.7446278.701806e-08
0.4518561.7439678.358509e-08
0.4539571.7433178.013615e-08
0.4560691.7426747.667117e-08
0.458191.7420417.319008e-08
0.461.7415097.022000e-08
0.4603211.7414156.995710e-08
0.4624621.7407986.820503e-08
0.4646131.7401896.644482e-08
0.4667751.7395886.467641e-08
0.4689461.7389956.289978e-08
0.4711271.7384096.111489e-08
0.4733181.7378315.932170e-08
0.475521.737265.752016e-08
0.4777321.7366975.571024e-08
0.4799541.736145.389191e-08
0.481.7361295.385400e-08
0.4821861.7355915.277800e-08
0.4844291.7350485.167409e-08
0.4866821.7345135.056505e-08
0.4889461.7339844.945085e-08
0.491221.7334614.833146e-08
0.4935051.7329454.720687e-08
0.49581.7324354.607705e-08
0.4981071.7319324.494197e-08
0.51.7315244.401000e-08
0.5004231.7314344.389768e-08
0.5027511.7309434.328016e-08
0.5050891.7304574.265976e-08
0.5074391.7299784.203648e-08
0.5097991.7295044.141030e-08
0.512171.7290364.078121e-08
0.5145531.7285734.014920e-08
0.5169461.7281163.951424e-08
0.519351.7276643.887633e-08
0.5217661.7272173.823545e-08
0.5241931.7267763.759159e-08
0.5266311.726343.694474e-08
0.5290811.7259083.629488e-08
0.5315421.7254823.564199e-08
0.5340141.7250613.498607e-08
0.5364981.7246443.432710e-08
0.5389931.7242333.366506e-08
0.54151.7238263.299995e-08
0.5440191.7234233.233174e-08
0.5465491.7230253.166042e-08
0.5490921.7226323.098598e-08
0.551.7224933.074500e-08
0.5516461.7222433.067881e-08
0.5542121.7218583.057561e-08
0.5567891.7214783.047193e-08
0.5593791.7211013.036777e-08
0.5619811.7207293.026312e-08
0.5645951.7203623.015799e-08
0.5672211.7199983.005237e-08
0.5698591.7196382.994625e-08
0.572511.7192822.983964e-08
0.5751731.7189292.973254e-08
0.5778481.7185812.962494e-08
0.5805361.7182362.951684e-08
0.5832361.7178962.940823e-08
0.5859491.7175582.929912e-08
0.5886751.7172252.918951e-08
0.5914131.7168942.907938e-08
0.5941641.7165682.896874e-08
0.5969271.7162452.885759e-08
0.5997041.7159252.874591e-08
0.61.7158912.873400e-08
0.6024931.7156082.833499e-08
0.6052961.7152952.788650e-08
0.6081111.7149852.743591e-08
0.610941.7146792.698324e-08
0.6137811.7143752.652845e-08
0.6166361.7140752.607156e-08
0.6195041.7137782.561253e-08
0.6223861.7134832.515137e-08
0.6252811.7131922.468807e-08
0.6281891.7129042.422261e-08
0.6311111.7126182.375499e-08
0.6340471.7123362.328519e-08
0.6369961.7120562.281321e-08
0.6399591.7117792.233903e-08
0.6429351.7115052.186264e-08
0.6459261.7112342.138404e-08
0.648931.7109652.090322e-08
0.651.710872.073200e-08
0.6519491.7106992.079412e-08
0.6549811.7104352.089079e-08
0.6580281.7101752.098792e-08
0.6610881.7099162.108549e-08
0.6641631.709662.118352e-08
0.6672521.7094072.128201e-08
0.6703561.7091562.138095e-08
0.6734741.7089082.148035e-08
0.6766071.7086622.158022e-08
0.6797541.7084182.168055e-08
0.6829151.7081762.178135e-08
0.6860921.7079372.188261e-08
0.6892831.70772.198435e-08
0.6924891.7074662.208656e-08
0.695711.7072332.218924e-08
0.6989461.7070032.229241e-08
0.71.7069282.232600e-08
0.7021971.7067752.225571e-08
0.7054631.7065492.215123e-08
0.7087451.7063252.204625e-08
0.7120411.7061032.194080e-08
0.7153531.7058832.183485e-08
0.7186811.7056652.172841e-08
0.7220231.7054492.162147e-08
0.7253821.7052352.151403e-08
0.7287561.7050232.140610e-08
0.7321461.7048132.129766e-08
0.7355511.7046042.118872e-08
0.7389721.7043982.107928e-08
0.7424091.7041932.096932e-08
0.7458631.703992.085885e-08
0.7493321.7037892.074787e-08
0.7528171.703592.063637e-08
0.7563191.7033922.052436e-08
0.7598371.7031962.041182e-08
0.7633711.7030022.029876e-08
0.7669221.702812.018517e-08
0.7704891.7026192.007106e-08
0.7740731.7024291.995641e-08
0.7776731.7022421.984123e-08
0.781291.7020551.972552e-08
0.7849241.7018711.960927e-08
0.7885751.7016881.949247e-08
0.7922431.7015061.937514e-08
0.7959281.7013261.925725e-08
0.799631.7011471.913882e-08
0.81.701131.912700e-08
0.803351.700971.875283e-08
0.8070861.7007941.833545e-08
0.810841.700621.791612e-08
0.8146121.7004471.749485e-08
0.8184011.7002751.707161e-08
0.8222081.7001051.664641e-08
0.8260321.6999361.621923e-08
0.8298741.6997691.579006e-08
0.8337341.6996021.535890e-08
0.8376121.6994371.492573e-08
0.8415081.6992731.449054e-08
0.8454221.6991111.405333e-08
0.8493551.6989491.361409e-08
0.851.6989231.354200e-08
0.8533051.6987891.359462e-08
0.8572741.698631.365781e-08
0.8612621.6984721.372129e-08
0.8652681.6983161.378506e-08
0.8692921.698161.384913e-08
0.8733361.6980061.391350e-08
0.8773981.6978531.397817e-08
0.8814791.69771.404315e-08
0.8855791.6975491.410842e-08
0.8896981.6973991.417399e-08
0.8938361.697251.423988e-08
0.8979941.6971021.430606e-08
0.91.6970311.433800e-08
0.9021711.6969551.437260e-08
0.9063671.6968091.443949e-08
0.9105831.6966641.450669e-08
0.9148181.696521.457420e-08
0.9190731.6963761.464203e-08
0.9233481.6962341.471017e-08
0.9276431.6960931.477863e-08
0.9319581.6959521.484741e-08
0.9362931.6958131.491651e-08
0.9406481.6956741.498593e-08
0.9450231.6955361.505567e-08
0.9494191.6953991.512573e-08
0.951.6953811.513500e-08
0.9538351.6952631.519605e-08
0.9582711.6951281.526668e-08
0.9627291.6949931.533764e-08
0.9672071.694861.540893e-08
0.9717051.6947271.548055e-08
0.9762251.6945941.555250e-08
0.9807661.6944631.562479e-08
0.9853281.6943321.569742e-08
0.9899111.6942021.577038e-08
0.9945151.6940731.584368e-08
0.9991411.6939441.591732e-08
11.6939211.593100e-08
1.003791.6938161.599136e-08
1.008461.6936891.606575e-08
1.013151.6935631.614049e-08
1.017861.6934371.621558e-08
1.022591.6933111.629101e-08
1.027351.6931871.636680e-08
1.032131.6930621.644293e-08
1.036931.6929391.651943e-08
1.041751.6928161.659628e-08
1.04661.6926941.667348e-08
1.051471.6925721.675105e-08
1.056361.6924511.682897e-08
1.061.6923611.688700e-08
1.061271.692331.690726e-08
1.066211.692211.698593e-08
1.071171.692091.706496e-08
1.076151.6919711.714435e-08
1.081151.6918521.722412e-08
1.086181.6917341.730426e-08
1.091241.6916161.738477e-08
1.096311.6914991.746565e-08
1.101411.6913821.754691e-08
1.106531.6912651.762855e-08
1.111681.6911491.771057e-08
1.116851.6910341.779297e-08
1.122051.6909181.787576e-08
1.127271.6908031.795892e-08
1.132511.6906891.804248e-08
1.137781.6905751.812642e-08
1.143071.6904611.821076e-08
1.148391.6903481.829549e-08
1.153731.6902341.838061e-08
1.159091.6901221.846612e-08
1.164481.6900091.855204e-08
1.16991.6898971.863835e-08
1.175341.6897851.872507e-08
1.180811.6896731.881219e-08
1.18631.6895621.889971e-08
1.191821.6894511.898764e-08
1.197361.689341.907598e-08
1.21.6892881.911800e-08
1.202931.6892292.014982e-08
1.208531.6891192.211842e-08
1.214151.6890092.409617e-08
1.21981.6888992.608313e-08
1.225471.6887892.807933e-08
1.231171.6886793.008481e-08
1.23691.688573.209962e-08
1.242651.6884613.412380e-08
1.248431.6883513.615740e-08
1.254241.6882423.820046e-08
1.260071.6881334.025302e-08
1.265931.6880254.231513e-08
1.271821.6879164.438682e-08
1.277741.6878074.646816e-08
1.283681.6876994.855917e-08
1.289651.687595.065992e-08
1.295651.6874825.277043e-08
1.301671.6873745.489076e-08
1.307731.6872665.702095e-08
1.313811.6871575.916105e-08
1.319921.6870496.131110e-08
1.326061.6869416.347116e-08
1.332231.6868336.564126e-08
1.338431.6867256.782146e-08
1.344651.6866167.001179e-08
1.350911.6865087.221232e-08
1.357191.68647.442308e-08
1.36351.6862917.664412e-08
1.369851.6861837.887550e-08
1.376221.6860758.111725e-08
1.382621.6859668.336943e-08
1.389051.6858588.563209e-08
1.395511.6857498.790527e-08
1.41.6856738.948500e-08
1.4021.685649.012757e-08
1.408521.6855319.222168e-08
1.415071.6854229.432553e-08
1.421661.6853139.643917e-08
1.428271.6852039.856263e-08
1.434911.6850941.006960e-07
1.441591.6849841.028392e-07
1.448291.6848741.049925e-07
1.455031.6847641.071557e-07
1.46181.6846541.093291e-07
1.468591.6845431.115125e-07
1.475431.6844331.137061e-07
1.482291.6843221.159098e-07
1.489181.6842111.181239e-07
1.496111.6840991.203482e-07
1.503071.6839871.225829e-07
1.510061.6838751.248279e-07
1.517081.6837631.270835e-07
1.524141.6836511.293495e-07
1.531231.6835381.316260e-07
1.538351.6834241.339131e-07
1.545511.6833111.362109e-07
1.55271.6831971.385194e-07
1.559921.6830831.408386e-07
1.567171.6829681.431686e-07
1.574461.6828531.455094e-07
1.581791.6827381.478611e-07
1.589141.6826221.502237e-07
1.596541.6825061.525974e-07
1.61.6824521.537100e-07
1.603961.6823891.613617e-07
1.611421.6822721.757729e-07
1.618921.6821551.902511e-07
1.626451.6820372.047966e-07
1.634011.6819192.194099e-07
1.641611.68182.340910e-07
1.649251.6816812.488405e-07
1.656921.6815612.636586e-07
1.664631.681442.785456e-07
1.672371.681322.935018e-07
1.680151.6811983.085276e-07
1.687961.6810763.236233e-07
1.695811.6809543.387892e-07
1.70371.6808313.540257e-07
1.711631.6807073.693330e-07
1.719591.6805833.847115e-07
1.727591.6804584.001616e-07
1.735621.6803324.156835e-07
1.743691.6802064.312776e-07
1.751811.680084.469442e-07
1.759951.6799524.626838e-07
1.768141.6798244.784965e-07
1.776361.6796954.943828e-07
1.784631.6795665.103429e-07
1.792931.6794365.263773e-07
1.81.6793255.400400e-07
1.801271.6793055.433939e-07
1.809641.6791735.655821e-07
1.818061.6790415.878735e-07
1.826521.6789086.102686e-07
1.835011.6787746.327679e-07
1.843551.6786396.553718e-07
1.852121.6785046.780809e-07
1.860741.6783687.008956e-07
1.869391.6782317.238164e-07
1.878091.6780937.468438e-07
1.886821.6779547.699783e-07
1.89561.6778147.932205e-07
1.904421.6776748.165707e-07
1.913281.6775328.400295e-07
1.922181.677398.635975e-07
1.931121.6772478.872751e-07
1.94011.6771039.110628e-07
1.949121.6769589.349612e-07
1.958191.6768119.589707e-07
1.96731.6766649.830919e-07
1.976451.6765161.007325e-06
1.985641.6763671.031671e-06
1.994881.6762171.056131e-06
21.6761341.069700e-06
2.004161.6760661.097711e-06
2.013481.6759141.160556e-06
2.022841.675761.223692e-06
2.032251.6756061.287122e-06
2.04171.675451.350847e-06
2.05121.6752941.414869e-06
2.060741.6751361.479188e-06
2.070331.6749771.543807e-06
2.079961.6748171.608726e-06
2.089631.6746561.673947e-06
2.099351.6744931.739472e-06
2.109121.6743291.805301e-06
2.118931.6741641.871436e-06
2.128781.6739981.937879e-06
2.138681.6738312.004631e-06
2.148631.6736622.071694e-06
2.158621.6734922.139068e-06
2.168671.673322.206756e-06
2.178751.6731482.274759e-06
2.188891.6729742.343078e-06
2.199071.6727982.411715e-06
2.21.6727822.418000e-06
2.20931.6726212.492672e-06
2.219571.6724432.575216e-06
2.22991.6722632.658143e-06
2.240271.6720822.741456e-06
2.250691.6718992.825156e-06
2.261161.6717152.909246e-06
2.271671.6715292.993727e-06
2.282241.6713423.078601e-06
2.292861.6711533.163869e-06
2.303521.6709623.249535e-06
2.314241.670773.335598e-06
2.3251.6705773.422063e-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
—