Optical constants

Refractive index of H-ZK14 (CDGM)

H-ZK14: n,k 0.302–2.325 µm

Data
formula 2 + tabulated k
Range
0.302–2.325 µm
Temperature
293 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.302–2.325 µm
Refractive index n
1.60311
Extinction coefficient k
1.29605e-08
Permittivity ε1
2.56996
Permittivity ε2
4.15541e-08
Absorption coefficient α
0.00277172 cm⁻¹
Penetration depth δ = λ/(2πk)
7.21573e+09 nm
Abbe number Vd
60.604
Chromatic dispersion dn/dλ
-0.051457 µm⁻¹
Group index ng
1.63334
Group velocity dispersion
89.3588 fs²/mm
Dispersion parameter D
-487.5 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-ZK14 (CDGM): H-ZK14
cdgm_h_zk14 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZK14", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zk14.range_nm)  # (302, 2325) nm
eps = cdgm_h_zk14.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=0.821911395λ2λ2−0.00369659724+0.995367381λ2λ2−97.9765358+0.708381156λ2λ2−0.0159409871

Valid from 0.302 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C20.821911395
C30.00369659724
C40.995367381
C597.9765358
C60.708381156
C70.0159409871

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: 3.66e-07 1.7e-08 -3.14e-11 3.59e-07 3.53e-10 0.219
nd
1.603110
Vd
60.603787
glass code
603606
glass status
standard
density
value: 3440
thermal expansion
value: 6.1e-06, temperature range: 243 343; value: 7.5e-06, temperature range: 293 573
dPgF
-0.0011

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 6.76e-07 K⁻¹ at 633 nm, dn/dT = 2.78e-07 K⁻¹ at 1310 nm, dn/dT = 2.47e-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 431 wavelengths, the same grid as the API and the library
H-ZK14 (CDGM), H-ZK14: n and k versus wavelength
λ (µm)nk
0.3021.647465.282780e-06
0.3035491.6467844.922124e-06
0.3051061.6461184.559618e-06
0.306671.6454614.195253e-06
0.3082431.6448123.829019e-06
0.3098241.6441723.460907e-06
0.311.6441013.419900e-06
0.3114131.643543.224011e-06
0.313011.6429173.002575e-06
0.3146151.6423022.780003e-06
0.3162291.6416952.556290e-06
0.317851.6410952.331430e-06
0.3194811.6405042.105416e-06
0.321.6403182.033400e-06
0.3211191.639921.937005e-06
0.3227661.6393441.795144e-06
0.3244211.6387751.652556e-06
0.3260851.6382131.509236e-06
0.3277571.6376591.365181e-06
0.3294381.6371111.220388e-06
0.331.636931.172000e-06
0.3311281.6365711.115639e-06
0.3328261.6360371.030771e-06
0.3345331.635519.454688e-07
0.3362491.634998.597288e-07
0.3379731.6344767.735491e-07
0.3397061.6339696.869275e-07
0.341.6338846.722500e-07
0.3414481.6334686.310578e-07
0.34321.6329735.812593e-07
0.344961.6324855.312055e-07
0.3467291.6320034.808949e-07
0.3485071.6315264.303263e-07
0.351.6311323.878700e-07
0.3502941.6310553.824814e-07
0.3520911.6305913.495966e-07
0.3538971.6301313.165432e-07
0.3557121.6296782.833203e-07
0.3575361.629232.499270e-07
0.3593691.6287872.163624e-07
0.361.6286372.048200e-07
0.3612121.628351.941879e-07
0.3630651.6279181.779434e-07
0.3649271.6274921.616157e-07
0.3667981.627071.452042e-07
0.368681.6266541.287086e-07
0.371.6263661.171300e-07
0.370571.6262421.146391e-07
0.3724711.6258361.063398e-07
0.3743811.6254349.799783e-08
0.3763011.6250378.961310e-08
0.3782311.6246458.118538e-08
0.381.6242917.346000e-08
0.3801711.6242587.300663e-08
0.382121.6238756.782917e-08
0.384081.6234966.262516e-08
0.386051.6231225.739446e-08
0.388031.6227535.213694e-08
0.391.6223914.690500e-08
0.390021.6223874.686913e-08
0.392021.6220264.324332e-08
0.394031.621673.959893e-08
0.3960511.6213173.593584e-08
0.3980821.6209683.225396e-08
0.41.6206452.877800e-08
0.4001241.6206242.872428e-08
0.4021761.6202832.783533e-08
0.4042391.6199472.694183e-08
0.4063121.6196142.604374e-08
0.4083961.6192852.514105e-08
0.410491.618962.423373e-08
0.4125951.6186392.332176e-08
0.4147111.6183212.240510e-08
0.4168381.6180072.148375e-08
0.4189761.6176962.055767e-08
0.421.6175492.011400e-08
0.4211251.6173892.016787e-08
0.4232841.6170852.027132e-08
0.4254551.6167852.037530e-08
0.4276371.6164882.047982e-08
0.429831.6161952.058487e-08
0.4320351.6159042.069046e-08
0.434251.6156172.079659e-08
0.4364771.6153342.090327e-08
0.4387161.6150532.101049e-08
0.441.6148942.107200e-08
0.4409661.6147752.094051e-08
0.4432271.6145012.063260e-08
0.44551.6142292.032312e-08
0.4477851.6139612.001205e-08
0.4500821.6136951.969939e-08
0.452391.6134331.938512e-08
0.454711.6131731.906924e-08
0.4570421.6129161.875174e-08
0.4593861.6126621.843261e-08
0.461.6125961.834900e-08
0.4617421.6124111.808432e-08
0.464111.6121621.772450e-08
0.466491.6119161.736283e-08
0.4688831.6116731.699930e-08
0.4712871.6114321.663391e-08
0.4737041.6111941.626665e-08
0.4761341.6109581.589750e-08
0.4785751.6107251.552646e-08
0.481.6105911.531000e-08
0.481031.6104951.513725e-08
0.4834971.6102661.472341e-08
0.4859761.6100411.430746e-08
0.4884691.6098171.388937e-08
0.4909741.6095961.346913e-08
0.4934921.6093781.304675e-08
0.4960231.6091611.262219e-08
0.4985671.6089471.219546e-08
0.51.6088281.195500e-08
0.5011231.6087351.188326e-08
0.5036931.6085251.171916e-08
0.5062771.6083181.155421e-08
0.5088731.6081131.138841e-08
0.5114831.6079091.122177e-08
0.5141061.6077081.105427e-08
0.5167431.6075091.088591e-08
0.5193931.6073121.071669e-08
0.5220561.6071171.054660e-08
0.5247341.6069241.037564e-08
0.5274251.6067321.020381e-08
0.530131.6065431.003109e-08
0.5328491.6063569.857482e-09
0.5355811.606179.682986e-09
0.5383281.6059879.507596e-09
0.5410891.6058059.331306e-09
0.5438641.6056259.154113e-09
0.5466531.6054478.976010e-09
0.5494571.605278.796994e-09
0.551.6052378.762300e-09
0.5522751.6050969.016264e-09
0.5551071.6049239.332507e-09
0.5579541.6047529.650372e-09
0.5608151.6045829.969867e-09
0.5636911.6044141.029100e-08
0.5665821.6042481.061378e-08
0.5694881.6040831.093822e-08
0.5724091.603921.126432e-08
0.5753441.6037581.159209e-08
0.5782951.6035981.192154e-08
0.5812611.6034391.225268e-08
0.5842421.6032821.258553e-08
0.5872381.6031271.292007e-08
0.590251.6029731.325634e-08
0.5932771.602821.359433e-08
0.5963191.6026691.393405e-08
0.5993781.6025191.427551e-08
0.61.6024891.434500e-08
0.6024521.602371.440364e-08
0.6055411.6022231.447755e-08
0.6086471.6020771.455183e-08
0.6117681.6019331.462650e-08
0.6149061.601791.470154e-08
0.6180591.6016481.477698e-08
0.6212291.6015071.485280e-08
0.6244151.6013681.492901e-08
0.6276171.601231.500561e-08
0.6308361.6010931.508260e-08
0.6340711.6009581.515998e-08
0.6373231.6008231.523777e-08
0.6405921.600691.531595e-08
0.6438771.6005581.539454e-08
0.6471791.6004271.547352e-08
0.651.6003161.554100e-08
0.6504981.6002971.555291e-08
0.6538341.6001681.563264e-08
0.6571871.600041.571278e-08
0.6605581.5999141.579333e-08
0.6639451.5997881.587430e-08
0.6673511.5996641.595568e-08
0.6707731.599541.603748e-08
0.6742131.5994181.611969e-08
0.6776711.5992961.620233e-08
0.6811461.5991761.628540e-08
0.684641.5990561.636889e-08
0.6881511.5989381.645280e-08
0.691681.598821.653715e-08
0.6952271.5987031.662193e-08
0.6987931.5985871.670715e-08
0.71.5985491.673600e-08
0.7023761.5984731.679282e-08
0.7059791.5983591.687895e-08
0.7095991.5982451.696552e-08
0.7132381.5981331.705253e-08
0.7168961.5980221.713999e-08
0.7205731.5979111.722790e-08
0.7242681.5978011.731626e-08
0.7279831.5976921.740507e-08
0.7317161.5975841.749434e-08
0.7354691.5974771.758406e-08
0.7392411.597371.767425e-08
0.7430321.5972641.776489e-08
0.7468431.5971591.785601e-08
0.7506731.5970551.794759e-08
0.7545231.5969511.803964e-08
0.7583921.5968481.813216e-08
0.7622821.5967461.822515e-08
0.7661911.5966441.831863e-08
0.770121.5965441.841258e-08
0.774071.5964431.850701e-08
0.778041.5963441.860193e-08
0.782031.5962451.869734e-08
0.7860411.5961461.879323e-08
0.7900721.5960491.888962e-08
0.7941241.5959521.898650e-08
0.7981961.5958551.908388e-08
0.81.5958131.912700e-08
0.802291.5957591.918178e-08
0.8064051.5956641.928020e-08
0.810541.5955691.937912e-08
0.8146971.5954741.947856e-08
0.8188751.5953811.957850e-08
0.8230751.5952871.967895e-08
0.8272961.5951951.977992e-08
0.8315391.5951031.988141e-08
0.8358031.5950111.998342e-08
0.840091.594922.008595e-08
0.8443981.5948292.018901e-08
0.8487291.5947392.029259e-08
0.851.5947122.032300e-08
0.8530821.5946492.083958e-08
0.8574571.5945592.157302e-08
0.8618541.594472.231021e-08
0.8662741.5943822.305118e-08
0.8707171.5942942.379596e-08
0.8751821.5942062.454455e-08
0.8796711.5941182.529698e-08
0.8841821.5940312.605328e-08
0.8887171.5939452.681345e-08
0.8932741.5938592.757752e-08
0.8978561.5937732.834550e-08
0.91.5937332.870500e-08
0.902461.5936872.878348e-08
0.9070881.5936022.893112e-08
0.9117411.5935172.907952e-08
0.9164161.5934322.922868e-08
0.9211161.5933482.937861e-08
0.925841.5932642.952930e-08
0.9305881.593182.968077e-08
0.9353611.5930972.983301e-08
0.9401581.5930142.998604e-08
0.944981.5929313.013985e-08
0.9498261.5928483.029445e-08
0.951.5928453.030000e-08
0.9546971.5927663.044984e-08
0.9595931.5926843.060603e-08
0.9645151.5926023.076301e-08
0.9694611.592523.092081e-08
0.9744331.5924383.107941e-08
0.979431.5923573.123883e-08
0.9844531.5922763.139906e-08
0.9895021.5921953.156012e-08
0.9945771.5921143.172200e-08
0.9996781.5920333.188471e-08
11.5920283.189500e-08
1.00481.5919533.204826e-08
1.009961.5918723.221265e-08
1.015141.5917923.237788e-08
1.020341.5917123.254395e-08
1.025581.5916323.271088e-08
1.030841.5915523.287866e-08
1.036121.5914723.304731e-08
1.041441.5913923.321682e-08
1.046781.5913123.338720e-08
1.052151.5912333.355845e-08
1.057541.5911533.373058e-08
1.061.5911173.380900e-08
1.062971.5910733.410673e-08
1.068421.5909943.465410e-08
1.07391.5909143.520427e-08
1.07941.5908353.575726e-08
1.084941.5907563.631309e-08
1.09051.5906763.687176e-08
1.09611.5905973.743331e-08
1.101721.5905173.799773e-08
1.107371.5904383.856505e-08
1.113051.5903583.913528e-08
1.118761.5902793.970843e-08
1.124491.5901994.028452e-08
1.130261.5901194.086356e-08
1.136061.5900394.144558e-08
1.141881.589964.203058e-08
1.147741.589884.261858e-08
1.153621.58984.320960e-08
1.159541.589724.380364e-08
1.165491.5896394.440074e-08
1.171471.5895594.500089e-08
1.177471.5894794.560413e-08
1.183511.5893984.621045e-08
1.189581.5893174.681989e-08
1.195681.5892364.743245e-08
1.21.5891794.786600e-08
1.201811.5891554.844749e-08
1.207981.5890745.042302e-08
1.214171.5889925.240868e-08
1.22041.5889115.440453e-08
1.226661.5888295.641061e-08
1.232951.5887475.842698e-08
1.239271.5886646.045369e-08
1.245631.5885826.249080e-08
1.252021.5884996.453835e-08
1.258441.5884166.659641e-08
1.264891.5883336.866502e-08
1.271381.5882497.074424e-08
1.27791.5881657.283412e-08
1.284451.5880817.493472e-08
1.291041.5879977.704609e-08
1.297661.5879127.916829e-08
1.304321.5878278.130138e-08
1.311011.5877418.344540e-08
1.317731.5876568.560042e-08
1.324491.587578.776649e-08
1.331281.5874838.994367e-08
1.338111.5873969.213202e-08
1.344971.5873099.433159e-08
1.351871.5872229.654244e-08
1.35881.5871349.876462e-08
1.365771.5870451.009982e-07
1.372771.5869561.032432e-07
1.379811.5868671.054998e-07
1.386891.5867771.077679e-07
1.3941.5866871.100477e-07
1.41.5866111.119700e-07
1.401151.5865971.128065e-07
1.408341.5865061.180255e-07
1.415561.5864141.232714e-07
1.422821.5863221.285441e-07
1.430121.586231.338439e-07
1.437451.5861371.391708e-07
1.444821.5860431.445251e-07
1.452231.5859491.499068e-07
1.459681.5858541.553162e-07
1.467171.5857591.607533e-07
1.474691.5856631.662182e-07
1.482251.5855671.717112e-07
1.489861.585471.772324e-07
1.49751.5853721.827818e-07
1.505181.5852741.883598e-07
1.51291.5851751.939663e-07
1.520651.5850761.996016e-07
1.528451.5849762.052658e-07
1.536291.5848752.109591e-07
1.544171.5847742.166815e-07
1.552091.5846722.224333e-07
1.560051.5845692.282146e-07
1.568051.5844652.340255e-07
1.576091.5843612.398663e-07
1.584181.5842562.457370e-07
1.59231.584152.516378e-07
1.61.584052.572300e-07
1.600471.5840442.580636e-07
1.608671.5839372.727301e-07
1.616921.5838292.874718e-07
1.625221.583723.022891e-07
1.633551.583613.171824e-07
1.641931.58353.321521e-07
1.650351.5833883.471986e-07
1.658811.5832763.623222e-07
1.667321.5831633.775234e-07
1.675871.5830493.928025e-07
1.684471.5829344.081600e-07
1.693111.5828194.235963e-07
1.701791.5827024.391117e-07
1.710521.5825844.547067e-07
1.719291.5824664.703817e-07
1.728111.5823464.861371e-07
1.736971.5822265.019733e-07
1.745881.5821045.178907e-07
1.754831.5819825.338897e-07
1.763831.5818585.499708e-07
1.772881.5817345.661343e-07
1.781971.5816085.823807e-07
1.791111.5814815.987105e-07
1.81.5813586.146000e-07
1.800291.5813546.152175e-07
1.809531.5812256.346572e-07
1.818811.5810956.541966e-07
1.828131.5809646.738362e-07
1.837511.5808316.935766e-07
1.846931.5806987.134182e-07
1.856411.5805637.333615e-07
1.865931.5804277.534072e-07
1.87551.580297.735556e-07
1.885111.5801527.938074e-07
1.894781.5800128.141630e-07
1.90451.5798718.346230e-07
1.914271.5797298.551880e-07
1.924081.5795858.758584e-07
1.933951.5794418.966348e-07
1.943871.5792949.175178e-07
1.953841.5791479.385079e-07
1.963861.5789989.596056e-07
1.973931.5788479.808115e-07
1.984051.5786961.002126e-06
1.994231.5785421.023550e-06
21.5784551.035700e-06
2.004461.5783881.114588e-06
2.014741.5782311.296542e-06
2.025071.5780741.479429e-06
2.035461.5779141.663254e-06
2.045891.5777541.848022e-06
2.056391.5775912.033737e-06
2.066931.5774272.220405e-06
2.077531.5772612.408031e-06
2.088191.5770942.596618e-06
2.09891.5769252.786173e-06
2.109661.5767552.976699e-06
2.120481.5765823.168203e-06
2.131361.5764083.360689e-06
2.142291.5762323.554162e-06
2.153271.5760553.748628e-06
2.164321.5758753.944091e-06
2.175421.5756944.140556e-06
2.186571.5755114.338029e-06
2.197791.5753264.536514e-06
2.21.5752894.575700e-06
2.209061.5751394.754486e-06
2.220391.574954.978112e-06
2.231771.5747595.202886e-06
2.243221.5745665.428813e-06
2.254721.5743715.655898e-06
2.266291.5741745.884147e-06
2.277911.5739756.113568e-06
2.289591.5737746.344164e-06
2.301331.5735716.575944e-06
2.313141.5733666.808912e-06
2.3251.5731587.043075e-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
—