Optical constants

Refractive index of H-ZK10L (CDGM)

H-ZK10L: n,k 0.313–2.325 µm

Data
formula 2 + tabulated k
Range
0.313–2.325 µm
Temperature
293 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength. Note: k data cover 320-2400 nm only; k = 0 elsewhere in the n range 313-2325 nm.

At one wavelength

Range 0.313–2.325 µm
Refractive index n
1.6228
Extinction coefficient k
1.87414e-08
Permittivity ε1
2.63347
Permittivity ε2
6.08271e-08
Absorption coefficient α
0.00400803 cm⁻¹
Penetration depth δ = λ/(2πk)
4.98998e+09 nm
Abbe number Vd
56.913
Chromatic dispersion dn/dλ
-0.0564094 µm⁻¹
Group index ng
1.65594
Group velocity dispersion
100.158 fs²/mm
Dispersion parameter D
-546.416 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-ZK10L (CDGM): H-ZK10L
cdgm_h_zk10l = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZK10L", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zk10l.range_nm)  # (313, 2325) nm
eps = cdgm_h_zk10l.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=0.957266324λ2λ2−100.408853+1.44528215λ2λ2−0.008043802+0.143179062λ2λ2−0.030435308

Valid from 0.313 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C20.957266324
C3100.408853
C41.44528215
C50.008043802
C60.143179062
C70.030435308

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -7.67e-07 1.58e-08 -1.87e-11 4.79e-07 2.46e-10 0.2
nd
1.622800
Vd
56.913492
glass code
623569
density
value: 3630
thermal expansion
value: 6.5e-06, temperature range: 243 343; value: 7.5e-06, temperature range: 293 573
dPgF
-0.0011
resistance
climatic: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 2.81e-07 K⁻¹ at 633 nm, dn/dT = -2.37e-07 K⁻¹ at 1310 nm, dn/dT = -2.77e-07 K⁻¹ at 1550 nm
Notes on the source data (kept exactly as published):
  • k data cover 320-2400 nm only; k = 0 elsewhere in the n range 313-2325 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 430 wavelengths, the same grid as the API and the library
H-ZK10L (CDGM), H-ZK10L: n and k versus wavelength
λ (µm)nk
0.3131.6677330
0.3145771.6670290
0.3161621.6663340
0.3177551.6656490
0.3193561.6649740
0.321.6647067.786100e-06
0.3209651.6643087.341569e-06
0.3225821.6636526.596581e-06
0.3242071.6630045.847840e-06
0.3258411.6623655.095326e-06
0.3274831.6617354.339021e-06
0.3291331.6611133.578905e-06
0.331.6607913.179300e-06
0.3307911.66053.032925e-06
0.3324581.6598952.724460e-06
0.3341331.6592982.414441e-06
0.3358161.6587092.102861e-06
0.3375081.6581281.789710e-06
0.3392091.6575551.474982e-06
0.341.6572911.328500e-06
0.3409181.6569891.261398e-06
0.3426351.656431.135792e-06
0.3443621.6558791.009552e-06
0.3460971.6553358.826760e-07
0.347841.6547977.551610e-07
0.3495931.6542676.270035e-07
0.351.6541455.972400e-07
0.3513541.6537445.550811e-07
0.3531251.6532274.999764e-07
0.3549041.6527174.445941e-07
0.3566921.6522133.889327e-07
0.3584891.6517163.329908e-07
0.361.6513052.859600e-07
0.3602951.6512252.819752e-07
0.3621111.650742.574812e-07
0.3639351.6502622.328638e-07
0.3657691.6497892.081224e-07
0.3676121.6493221.832563e-07
0.3694641.6488611.582649e-07
0.371.6487291.510300e-07
0.3713251.6484051.423954e-07
0.3731961.6479561.302062e-07
0.3750761.6475111.179556e-07
0.3769661.6470721.056433e-07
0.3788661.6466399.326893e-08
0.381.6463838.587800e-08
0.3807741.6462118.408296e-08
0.3826931.6457887.963627e-08
0.3846211.645377.516719e-08
0.3865591.6449577.067559e-08
0.3885071.6445496.616135e-08
0.391.6442416.270000e-08
0.3904641.6441466.157361e-08
0.3924311.6437485.679855e-08
0.3944091.6433545.199943e-08
0.3963961.6429654.717613e-08
0.3983931.6425814.232853e-08
0.41.6422773.842800e-08
0.40041.6422023.833120e-08
0.4024181.6418263.784330e-08
0.4044451.6414563.735294e-08
0.4064831.6410893.686011e-08
0.4085311.6407273.636479e-08
0.4105891.6403693.586698e-08
0.4126581.6400153.536666e-08
0.4147371.6396663.486383e-08
0.4168271.639323.435845e-08
0.4189271.6389783.385054e-08
0.421.6388063.359100e-08
0.4210381.638643.349056e-08
0.4231591.6383073.328521e-08
0.4252911.6379773.307883e-08
0.4274341.637653.287141e-08
0.4295871.6373283.266294e-08
0.4317521.6370093.245343e-08
0.4339271.6366933.224285e-08
0.4361131.6363823.203122e-08
0.4383111.6360733.181852e-08
0.441.635843.165500e-08
0.4405191.6357693.140518e-08
0.4427391.6354673.033704e-08
0.4449691.6351692.926352e-08
0.4472111.6348742.818459e-08
0.4494641.6345832.710022e-08
0.4517291.6342952.601039e-08
0.4540051.634012.491508e-08
0.4562921.6337282.381424e-08
0.4585911.6334492.270785e-08
0.461.6332812.203000e-08
0.4609021.6331742.189993e-08
0.4632241.6329012.156506e-08
0.4655581.6326312.122851e-08
0.4679041.6323642.089027e-08
0.4702611.6321012.055032e-08
0.4726311.6318392.020866e-08
0.4750121.6315811.986527e-08
0.4774051.6313261.952016e-08
0.4798111.6310731.917331e-08
0.481.6310531.914600e-08
0.4822281.6308231.878962e-08
0.4846581.6305761.840099e-08
0.48711.6303311.801041e-08
0.4895541.6300891.761786e-08
0.492021.629851.722333e-08
0.4944991.6296131.682682e-08
0.4969911.6293781.642831e-08
0.4994951.6291461.602779e-08
0.51.62911.594700e-08
0.5020121.6289171.601117e-08
0.5045411.628691.609186e-08
0.5070831.6284651.617295e-08
0.5096381.6282431.625445e-08
0.5122061.6280221.633636e-08
0.5147861.6278051.641868e-08
0.517381.6275891.650142e-08
0.5199871.6273761.658458e-08
0.5226071.6271651.666815e-08
0.525241.6269561.675215e-08
0.5278861.6267491.683657e-08
0.5305461.6265441.692141e-08
0.5332191.6263411.700668e-08
0.5359061.6261411.709239e-08
0.5386061.6259421.717852e-08
0.5413191.6257451.726509e-08
0.5440471.6255511.735209e-08
0.5467881.6253581.743953e-08
0.5495431.6251671.752741e-08
0.551.6251361.754200e-08
0.5523121.6249791.761574e-08
0.5550941.6247921.770451e-08
0.5578911.6246061.779373e-08
0.5607021.6244231.788339e-08
0.5635271.6242421.797351e-08
0.5663661.6240621.806409e-08
0.569221.6238841.815511e-08
0.5720881.6237081.824660e-08
0.574971.6235331.833855e-08
0.5778671.623361.843096e-08
0.5807791.6231891.852384e-08
0.5837051.623021.861719e-08
0.5866461.6228521.871100e-08
0.5896021.6226861.880529e-08
0.5925721.6225211.890005e-08
0.5955581.6223581.899530e-08
0.5985581.6221961.909102e-08
0.61.6221191.913700e-08
0.6015741.6220361.918722e-08
0.6046051.6218771.928391e-08
0.6076511.621721.938108e-08
0.6107131.6215641.947875e-08
0.613791.621411.957690e-08
0.6168831.6212571.967555e-08
0.6199911.6211061.977470e-08
0.6231141.6209561.987435e-08
0.6262541.6208071.997450e-08
0.6294091.620662.007516e-08
0.632581.6205142.017632e-08
0.6357681.6203692.027799e-08
0.6389711.6202262.038017e-08
0.642191.6200842.048287e-08
0.6454261.6199432.058609e-08
0.6486781.6198032.068982e-08
0.651.6197472.073200e-08
0.6519461.6196652.079404e-08
0.6552311.6195282.089876e-08
0.6585321.6193922.100401e-08
0.661851.6192572.110978e-08
0.6651851.6191232.121609e-08
0.6685361.6189912.132294e-08
0.6719051.618862.143032e-08
0.675291.6187292.153824e-08
0.6786921.61862.164671e-08
0.6821121.6184722.175573e-08
0.6855491.6183452.186529e-08
0.6890031.6182192.197540e-08
0.6924741.6180942.208607e-08
0.6959631.617972.219730e-08
0.699471.6178472.230909e-08
0.71.6178292.232600e-08
0.7029941.6177262.223023e-08
0.7065361.6176052.211692e-08
0.7100961.6174852.200304e-08
0.7136731.6173662.188859e-08
0.7172691.6172482.177356e-08
0.7208831.617132.165795e-08
0.7245151.6170142.154176e-08
0.7281651.6168992.142499e-08
0.7318341.6167842.130762e-08
0.7355221.6166712.118967e-08
0.7392271.6165582.107112e-08
0.7429521.6164462.095197e-08
0.7466951.6163352.083222e-08
0.7504571.6162252.071187e-08
0.7542381.6161152.059091e-08
0.7580391.6160072.046935e-08
0.7618581.6158992.034717e-08
0.7656961.6157922.022437e-08
0.7695541.6156862.010096e-08
0.7734321.615581.997692e-08
0.7773281.6154751.985226e-08
0.7812451.6153711.972697e-08
0.7851811.6152671.960105e-08
0.7891371.6151651.947450e-08
0.7931131.6150631.934731e-08
0.7971091.6149611.921948e-08
0.81.6148891.912700e-08
0.8011251.6148611.900130e-08
0.8051621.6147611.855043e-08
0.8092181.6146611.809730e-08
0.8132961.6145621.764188e-08
0.8173931.6144641.718416e-08
0.8215121.6143671.672414e-08
0.8256511.614271.626181e-08
0.8298111.6141731.579714e-08
0.8339921.6140771.533013e-08
0.8381941.6139821.486077e-08
0.8424171.6138871.438904e-08
0.8466611.6137931.391494e-08
0.851.613721.354200e-08
0.8509271.61371.355676e-08
0.8552141.6136061.362501e-08
0.8595231.6135141.369361e-08
0.8638541.6134221.376255e-08
0.8682061.613331.383184e-08
0.8725811.6132391.390148e-08
0.8769771.6131481.397148e-08
0.8813961.6130581.404182e-08
0.8858361.6129681.411252e-08
0.89031.6128791.418357e-08
0.8947851.612791.425498e-08
0.8992941.6127021.432675e-08
0.91.6126881.433800e-08
0.9038251.6126141.439896e-08
0.9083781.6125261.447155e-08
0.9129551.6124391.454451e-08
0.9175551.6123521.461783e-08
0.9221781.6122651.469152e-08
0.9268241.6121791.476558e-08
0.9314941.6120941.484001e-08
0.9361871.6120081.491483e-08
0.9409041.6119231.499001e-08
0.9456451.6118381.506558e-08
0.951.6117611.513500e-08
0.9504091.6117541.514152e-08
0.9551981.611671.521775e-08
0.9600111.6115861.529437e-08
0.9648471.6115021.537137e-08
0.9697091.6114191.544876e-08
0.9745951.6113361.552654e-08
0.9795051.6112531.560472e-08
0.984441.6111711.568329e-08
0.98941.6110881.576225e-08
0.9943851.6110061.584161e-08
0.9993951.6109241.592137e-08
11.6109151.593100e-08
1.004431.6108431.600159e-08
1.009491.6107621.608223e-08
1.014581.610681.616327e-08
1.019691.6105991.624472e-08
1.024831.6105191.632657e-08
1.029991.6104381.640885e-08
1.035181.6103571.649153e-08
1.04041.6102771.657463e-08
1.045641.6101971.665816e-08
1.050911.6101171.674210e-08
1.05621.6100371.682646e-08
1.061.609981.688700e-08
1.061521.6099571.691126e-08
1.066871.6098781.699649e-08
1.072251.6097981.708215e-08
1.077651.6097191.716824e-08
1.083081.6096391.725476e-08
1.088531.609561.734172e-08
1.094021.6094811.742912e-08
1.099531.6094011.751696e-08
1.105071.6093221.760524e-08
1.110641.6092431.769397e-08
1.116231.6091641.778314e-08
1.121861.6090851.787277e-08
1.127511.6090061.796284e-08
1.133191.6089271.805337e-08
1.13891.6088481.814435e-08
1.144641.6087691.823580e-08
1.150411.608691.832770e-08
1.15621.6086111.842007e-08
1.162031.6085321.851290e-08
1.167881.6084531.860620e-08
1.173771.6083741.869997e-08
1.179681.6082941.879421e-08
1.185631.6082151.888893e-08
1.19161.6081361.898412e-08
1.19761.6080561.907980e-08
1.21.6080251.911800e-08
1.203641.6079772.121600e-08
1.20971.6078972.471461e-08
1.21581.6078172.823085e-08
1.221921.6077373.176480e-08
1.228081.6076573.531656e-08
1.234271.6075773.888622e-08
1.240481.6074974.247386e-08
1.246731.6074164.607958e-08
1.253021.6073364.970346e-08
1.259331.6072555.334560e-08
1.265671.6071745.700609e-08
1.272051.6070936.068503e-08
1.278461.6070116.438250e-08
1.28491.606936.809860e-08
1.291381.6068487.183343e-08
1.297881.6067667.558707e-08
1.304421.6066847.935962e-08
1.310991.6066018.315118e-08
1.31761.6065188.696185e-08
1.324241.6064359.079171e-08
1.330911.6063529.464087e-08
1.337611.6062699.850943e-08
1.344351.6061851.023975e-07
1.351131.60611.063051e-07
1.357941.6060161.102324e-07
1.364781.6059311.141795e-07
1.371651.6058461.181465e-07
1.378561.6057611.221335e-07
1.385511.6056751.261406e-07
1.392491.6055891.301679e-07
1.399511.6055021.342154e-07
1.41.6054961.345000e-07
1.406561.6054151.334432e-07
1.413641.6053281.323011e-07
1.420771.605241.311534e-07
1.427931.6051521.299998e-07
1.435121.6050641.288404e-07
1.442351.6049751.276752e-07
1.449621.6048851.265041e-07
1.456921.6047951.253271e-07
1.464261.6047051.241441e-07
1.471641.6046141.229553e-07
1.479051.6045231.217604e-07
1.486511.6044321.205595e-07
1.4941.6043391.193525e-07
1.501521.6042471.181395e-07
1.509091.6041531.169203e-07
1.516691.604061.156951e-07
1.524331.6039651.144636e-07
1.532011.6038711.132259e-07
1.539731.6037751.119820e-07
1.547491.6036791.107319e-07
1.555291.6035831.094754e-07
1.563121.6034861.082126e-07
1.5711.6033881.069435e-07
1.578911.6032891.056679e-07
1.586871.603191.043859e-07
1.594871.6030911.030975e-07
1.61.6030271.022700e-07
1.60291.6029911.045603e-07
1.610981.602891.109367e-07
1.619091.6027881.173453e-07
1.627251.6026861.237861e-07
1.635451.6025831.302594e-07
1.643691.6024791.367654e-07
1.651971.6023751.433041e-07
1.660291.6022691.498757e-07
1.668661.6021631.564805e-07
1.677071.6020571.631185e-07
1.685521.6019491.697900e-07
1.694011.6018411.764951e-07
1.702541.6017321.832340e-07
1.711121.6016221.900068e-07
1.719741.6015121.968138e-07
1.728411.60142.036550e-07
1.737121.6012882.105307e-07
1.745871.6011752.174411e-07
1.754671.6010612.243863e-07
1.763511.6009462.313665e-07
1.772391.600832.383818e-07
1.781321.6007132.454325e-07
1.79031.6005952.525187e-07
1.799321.6004772.596406e-07
1.81.6004682.601800e-07
1.808381.6003572.737324e-07
1.817491.6002372.884632e-07
1.826651.6001153.032682e-07
1.835851.5999923.181478e-07
1.84511.5998693.331023e-07
1.85441.5997443.481322e-07
1.863741.5996183.632378e-07
1.873131.5994923.784196e-07
1.882571.5993643.936778e-07
1.892061.5992354.090129e-07
1.901591.5991054.244252e-07
1.911171.5989744.399153e-07
1.92081.5988414.554833e-07
1.930481.5987084.711298e-07
1.94021.5985734.868552e-07
1.949981.5984385.026597e-07
1.95981.59835.185439e-07
1.969681.5981625.345081e-07
1.97961.5980235.505528e-07
1.989581.5978825.666783e-07
1.99961.597745.828850e-07
21.5977345.835300e-07
2.009681.5975966.540026e-07
2.01981.5974527.277505e-07
2.029981.5973068.018699e-07
2.040211.5971588.763628e-07
2.050491.597019.512310e-07
2.060821.5968591.026476e-06
2.07121.5967081.102101e-06
2.081641.5965551.178106e-06
2.092121.59641.254495e-06
2.102661.5962441.331268e-06
2.113261.5960871.408429e-06
2.123911.5959281.485977e-06
2.134611.5957681.563917e-06
2.145361.5956061.642250e-06
2.156171.5954421.720977e-06
2.167031.5952771.800100e-06
2.177951.595111.879623e-06
2.188931.5949411.959546e-06
2.199951.5947712.039871e-06
2.21.5947712.040200e-06
2.211041.5945992.164136e-06
2.222181.5944262.289206e-06
2.233381.5942512.414906e-06
2.244631.5940742.541239e-06
2.255941.5938952.668209e-06
2.26731.5937142.795818e-06
2.278731.5935322.924071e-06
2.290211.5933473.052969e-06
2.301751.5931613.182517e-06
2.313341.5929733.312718e-06
2.3251.5927833.443575e-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
—