Optical constants

Refractive index of H-ZK3 (CDGM)

H-ZK3: 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
1.58913
Extinction coefficient k
4.67830e-09
Permittivity ε1
2.52533
Permittivity ε2
1.48688e-08
Absorption coefficient α
0.0010005 cm⁻¹
Penetration depth δ = λ/(2πk)
1.99901e+10 nm
Abbe number Vd
61.254
Chromatic dispersion dn/dλ
-0.0497723 µm⁻¹
Group index ng
1.61837
Group velocity dispersion
85.9406 fs²/mm
Dispersion parameter D
-468.852 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-ZK3 (CDGM): H-ZK3
cdgm_h_zk3 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-ZK3", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_zk3.range_nm)  # (302, 2325) nm
eps = cdgm_h_zk3.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=0.85567832λ2λ2−0.00441734284+0.897778708λ2λ2−89.6045798+0.631730586λ2λ2−0.015804179

Valid from 0.302 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C20.85567832
C30.00441734284
C40.897778708
C589.6045798
C60.631730586
C70.015804179

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: 3.08e-06 1.39e-08 -6.59e-11 3.72e-07 5.78e-10 0.211
nd
1.589130
Vd
61.253571
glass code
589613
glass status
standard
density
value: 3260
thermal expansion
value: 5.2e-06, temperature range: 243 343; value: 7.1e-06, temperature range: 293 573
dPgF
-0.0017
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 1.97e-06 K⁻¹ at 633 nm, dn/dT = 1.55e-06 K⁻¹ at 1310 nm, dn/dT = 1.51e-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 431 wavelengths, the same grid as the API and the library
H-ZK3 (CDGM), H-ZK3: n and k versus wavelength
λ (µm)nk
0.3021.6317054.259020e-06
0.3035491.6310613.922401e-06
0.3051061.6304253.584056e-06
0.306671.6297983.243976e-06
0.3082431.6291782.902152e-06
0.3098241.6285672.558574e-06
0.311.62852.520300e-06
0.3114131.6279642.360198e-06
0.313011.6273692.179216e-06
0.3146151.6267811.997306e-06
0.3162291.6262011.814463e-06
0.317851.6256291.630683e-06
0.3194811.6250631.445960e-06
0.321.6248851.387100e-06
0.3211191.6245051.316417e-06
0.3227661.6239541.212397e-06
0.3244211.623411.107842e-06
0.3260851.6228731.002752e-06
0.3277571.6223438.971221e-07
0.3294381.6218197.909509e-07
0.331.6216467.554700e-07
0.3311281.6213027.162904e-07
0.3328261.6207926.572952e-07
0.3345331.6202885.979974e-07
0.3362491.619795.383954e-07
0.3379731.6192984.784879e-07
0.3397061.6188124.182730e-07
0.341.6187314.080700e-07
0.3414481.6183333.834789e-07
0.34321.6178593.537501e-07
0.344961.6173913.238688e-07
0.3467291.6169292.938343e-07
0.3485071.6164732.636457e-07
0.351.6160952.383000e-07
0.3502941.6160222.349915e-07
0.3520911.6155762.148007e-07
0.3538971.6151361.945064e-07
0.3557121.6147011.741080e-07
0.3575361.6142721.536050e-07
0.3593691.6138481.329969e-07
0.361.6137031.259100e-07
0.3612121.6134291.207822e-07
0.3630651.6130141.129477e-07
0.3649271.6126051.050730e-07
0.3667981.6122019.715791e-08
0.368681.6118018.920223e-08
0.371.6115258.361800e-08
0.370571.6114078.145540e-08
0.3724711.6110177.424975e-08
0.3743811.6106316.700714e-08
0.3763011.610255.972739e-08
0.3782311.6098745.241030e-08
0.381.6095344.570300e-08
0.3801711.6095024.556241e-08
0.382121.6091344.395682e-08
0.384081.6087714.234300e-08
0.386051.6084124.072090e-08
0.388031.6080573.909048e-08
0.391.6077093.746800e-08
0.390021.6077063.744445e-08
0.392021.6073593.506398e-08
0.394031.6070163.267131e-08
0.3960511.6066773.026637e-08
0.3980821.6063422.784909e-08
0.41.6060312.556700e-08
0.4001241.6060112.555405e-08
0.4021761.6056842.533971e-08
0.4042391.6053612.512428e-08
0.4063121.6050412.490774e-08
0.4083961.6047242.469009e-08
0.410491.6044122.447132e-08
0.4125951.6041032.425143e-08
0.4147111.6037972.403041e-08
0.4168381.6034952.380826e-08
0.4189761.6031962.358498e-08
0.421.6030552.347800e-08
0.4211251.6029012.334272e-08
0.4232841.6026092.308290e-08
0.4254551.602322.282175e-08
0.4276371.6020342.255926e-08
0.429831.6017522.229543e-08
0.4320351.6014722.203024e-08
0.434251.6011962.176369e-08
0.4364771.6009232.149577e-08
0.4387161.6006532.122649e-08
0.441.60052.107200e-08
0.4409661.6003852.094051e-08
0.4432271.6001212.063260e-08
0.44551.599862.032312e-08
0.4477851.5996012.001205e-08
0.4500821.5993451.969939e-08
0.452391.5990921.938512e-08
0.454711.5988421.906924e-08
0.4570421.5985951.875174e-08
0.4593861.598351.843261e-08
0.461.5982861.834900e-08
0.4617421.5981081.808432e-08
0.464111.5978681.772450e-08
0.466491.5976311.736283e-08
0.4688831.5973971.699930e-08
0.4712871.5971651.663391e-08
0.4737041.5969351.626665e-08
0.4761341.5967081.589750e-08
0.4785751.5964831.552646e-08
0.481.5963541.531000e-08
0.481031.5962611.513725e-08
0.4834971.5960411.472341e-08
0.4859761.5958231.430746e-08
0.4884691.5956081.388937e-08
0.4909741.5953951.346913e-08
0.4934921.5951841.304675e-08
0.4960231.5949751.262219e-08
0.4985671.5947681.219546e-08
0.51.5946531.195500e-08
0.5011231.5945641.178477e-08
0.5036931.5943621.139536e-08
0.5062771.5941611.100395e-08
0.5088731.5939631.061054e-08
0.5114831.5937671.021511e-08
0.5141061.5935739.817650e-09
0.5167431.593389.418152e-09
0.5193931.593199.016606e-09
0.5220561.5930028.613000e-09
0.5247341.5928158.207324e-09
0.5274251.5926317.799568e-09
0.530131.5924487.389720e-09
0.5328491.5922676.977771e-09
0.5355811.5920886.563709e-09
0.5383281.5919116.147523e-09
0.5410891.5917355.729203e-09
0.5438641.5915615.308738e-09
0.5466531.5913894.886116e-09
0.5494571.5912194.461327e-09
0.551.5911864.379000e-09
0.5522751.591054.397105e-09
0.5551071.5908834.419651e-09
0.5579541.5907174.442312e-09
0.5608151.5905534.465089e-09
0.5636911.5903914.487984e-09
0.5665821.590234.510995e-09
0.5694881.5900714.534125e-09
0.5724091.5899134.557373e-09
0.5753441.5897574.580740e-09
0.5782951.5896024.604228e-09
0.5812611.5894494.627835e-09
0.5842421.5892974.651564e-09
0.5872381.5891464.675415e-09
0.590251.5889974.699387e-09
0.5932771.5888494.723483e-09
0.5963191.5887034.747703e-09
0.5993781.5885584.772046e-09
0.61.5885294.777000e-09
0.6024521.5884145.050496e-09
0.6055411.5882725.395181e-09
0.6086471.5881315.741634e-09
0.6117681.5879916.089863e-09
0.6149061.5878536.439879e-09
0.6180591.5877156.791689e-09
0.6212291.5875797.145304e-09
0.6244151.5874447.500732e-09
0.6276171.5873117.857983e-09
0.6308361.5871788.217066e-09
0.6340711.5870478.577991e-09
0.6373231.5869178.940767e-09
0.6405921.5867879.305403e-09
0.6438771.5866599.671909e-09
0.6471791.5865321.004030e-08
0.651.5864251.035500e-08
0.6504981.5864071.030736e-08
0.6538341.5862829.988311e-09
0.6571871.5861589.667625e-09
0.6605581.5860359.345294e-09
0.6639451.5859149.021310e-09
0.6673511.5857938.695664e-09
0.6707731.5856738.368348e-09
0.6742131.5855558.039353e-09
0.6776711.5854377.708672e-09
0.6811461.585327.376294e-09
0.684641.5852047.042212e-09
0.6881511.5850896.706416e-09
0.691681.5849756.368898e-09
0.6952271.5848626.029649e-09
0.6987931.5847495.688661e-09
0.71.5847125.573200e-09
0.7023761.5846385.592121e-09
0.7059791.5845275.620802e-09
0.7095991.5844185.649629e-09
0.7132381.5843095.678604e-09
0.7168961.58425.707728e-09
0.7205731.5840935.737001e-09
0.7242681.5839865.766425e-09
0.7279831.5838815.795999e-09
0.7317161.5837765.825725e-09
0.7354691.5836715.855603e-09
0.7392411.5835685.885635e-09
0.7430321.5834655.915820e-09
0.7468431.5833635.946161e-09
0.7506731.5832615.976657e-09
0.7545231.5831616.007309e-09
0.7583921.5830616.038119e-09
0.7622821.5829616.069086e-09
0.7661911.5828626.100213e-09
0.770121.5827646.131499e-09
0.774071.5826676.162945e-09
0.778041.582576.194553e-09
0.782031.5824746.226323e-09
0.7860411.5823786.258256e-09
0.7900721.5822836.290353e-09
0.7941241.5821886.322614e-09
0.7981961.5820946.355040e-09
0.81.5820536.369400e-09
0.802291.5820016.387633e-09
0.8064051.5819086.420393e-09
0.810541.5818166.453322e-09
0.8146971.5817246.486418e-09
0.8188751.5816336.519685e-09
0.8230751.5815426.553123e-09
0.8272961.5814526.586731e-09
0.8315391.5813626.620513e-09
0.8358031.5812736.654467e-09
0.840091.5811846.688596e-09
0.8443981.5810956.722899e-09
0.8487291.5810076.757379e-09
0.851.5809826.767500e-09
0.8530821.580926.792035e-09
0.8574571.5808326.826869e-09
0.8618541.5807466.861882e-09
0.8662741.5806596.897074e-09
0.8707171.5805736.932447e-09
0.8751821.5804886.968001e-09
0.8796711.5804037.003738e-09
0.8841821.5803187.039657e-09
0.8887171.5802337.075761e-09
0.8932741.5801497.112051e-09
0.8978561.5800657.148526e-09
0.91.5800267.165600e-09
0.902461.5799827.185183e-09
0.9070881.5798987.222024e-09
0.9117411.5798157.259054e-09
0.9164161.5797337.296274e-09
0.9211161.579657.333685e-09
0.925841.5795687.371288e-09
0.9305881.5794877.409084e-09
0.9353611.5794057.447073e-09
0.9401581.5793247.485257e-09
0.944981.5792437.523637e-09
0.9498261.5791627.562214e-09
0.951.5791597.563600e-09
0.9546971.5790817.600998e-09
0.9595931.5790017.639982e-09
0.9645151.5789217.679165e-09
0.9694611.5788417.718549e-09
0.9744331.5787617.758135e-09
0.979431.5786817.797925e-09
0.9844531.5786027.837918e-09
0.9895021.5785227.878116e-09
0.9945771.5784437.918521e-09
0.9996781.5783647.959133e-09
11.5783597.961700e-09
1.00481.5782857.999951e-09
1.009961.5782068.040979e-09
1.015141.5781288.082217e-09
1.020341.5780498.123667e-09
1.025581.5779718.165329e-09
1.030841.5778928.207205e-09
1.036121.5778148.249295e-09
1.041441.5777368.291602e-09
1.046781.5776578.334125e-09
1.052151.5775798.376867e-09
1.057541.5775018.419827e-09
1.061.5774668.439400e-09
1.062971.5774238.665578e-09
1.068421.5773459.081390e-09
1.07391.5772679.499334e-09
1.07941.5771899.919422e-09
1.084941.5771111.034166e-08
1.09051.5770331.076607e-08
1.09611.5769551.119266e-08
1.101721.5768771.162143e-08
1.107371.5767991.205240e-08
1.113051.576721.248558e-08
1.118761.5766421.292098e-08
1.124491.5765641.335862e-08
1.130261.5764851.379850e-08
1.136061.5764071.424064e-08
1.141881.5763281.468504e-08
1.147741.576251.513172e-08
1.153621.5761711.558070e-08
1.159541.5760921.603197e-08
1.165491.5760131.648556e-08
1.171471.5759341.694148e-08
1.177471.5758551.739974e-08
1.183511.5757751.786034e-08
1.189581.5756961.832331e-08
1.195681.5756161.878865e-08
1.21.575561.911800e-08
1.201811.5755361.924821e-08
1.207981.5754561.969060e-08
1.214171.5753762.013526e-08
1.22041.5752952.058219e-08
1.226661.5752142.103142e-08
1.232951.5751332.148295e-08
1.239271.5750522.193680e-08
1.245631.5749712.239298e-08
1.252021.5748892.285149e-08
1.258441.5748072.331236e-08
1.264891.5747252.377559e-08
1.271381.5746422.424119e-08
1.27791.574562.470919e-08
1.284451.5744762.517958e-08
1.291041.5743932.565238e-08
1.297661.5743092.612762e-08
1.304321.5742252.660528e-08
1.311011.5741412.708540e-08
1.317731.5740562.756798e-08
1.324491.5739712.805304e-08
1.331281.5738852.854058e-08
1.338111.57382.903062e-08
1.344971.5737132.952318e-08
1.351871.5736273.001826e-08
1.35881.573543.051588e-08
1.365771.5734523.101605e-08
1.372771.5733643.151879e-08
1.379811.5732763.202411e-08
1.386891.5731873.253202e-08
1.3941.5730983.304253e-08
1.41.5730233.347300e-08
1.401151.5730083.476147e-08
1.408341.5729184.280087e-08
1.415561.5728275.088150e-08
1.422821.5727365.900356e-08
1.430121.5726446.716729e-08
1.437451.5725527.537288e-08
1.444821.5724598.362055e-08
1.452231.5723669.191052e-08
1.459681.5722721.002430e-07
1.467171.5721781.086182e-07
1.474691.5720831.170364e-07
1.482251.5719871.254977e-07
1.489861.5718911.340025e-07
1.49751.5717941.425508e-07
1.505181.5716971.511430e-07
1.51291.5715991.597793e-07
1.520651.57151.684598e-07
1.528451.57141.771849e-07
1.536291.57131.859547e-07
1.544171.57121.947695e-07
1.552091.5710982.036295e-07
1.560051.5709962.125350e-07
1.568051.5708932.214861e-07
1.576091.570792.304831e-07
1.584181.5706852.395262e-07
1.59231.570582.486158e-07
1.61.570482.572300e-07
1.600471.5704742.577167e-07
1.608671.5703682.662788e-07
1.616921.570262.748849e-07
1.625221.5701522.835352e-07
1.633551.5700432.922298e-07
1.641931.5699333.009690e-07
1.650351.5698223.097530e-07
1.658811.569713.185821e-07
1.667321.5695983.274564e-07
1.675871.5694843.363763e-07
1.684471.569373.453419e-07
1.693111.5692553.543534e-07
1.701791.5691393.634112e-07
1.710521.5690223.725155e-07
1.719291.5689043.816664e-07
1.728111.5687843.908643e-07
1.736971.5686644.001093e-07
1.745881.5685434.094018e-07
1.754831.5684214.187419e-07
1.763831.5682984.281299e-07
1.772881.5681744.375661e-07
1.781971.5680494.470506e-07
1.791111.5679224.565838e-07
1.81.5677994.658600e-07
1.800291.5677954.662270e-07
1.809531.5676664.777819e-07
1.818811.5675364.893961e-07
1.828131.5674065.010698e-07
1.837511.5672745.128033e-07
1.846931.567145.245971e-07
1.856411.5670065.364513e-07
1.865931.566875.483664e-07
1.87551.5667335.603425e-07
1.885111.5665955.723801e-07
1.894781.5664565.844794e-07
1.90451.5663155.966407e-07
1.914271.5661736.088644e-07
1.924081.5660296.211509e-07
1.933951.5658856.335003e-07
1.943871.5657396.459130e-07
1.953841.5655916.583894e-07
1.963861.5654426.709298e-07
1.973931.5652926.835345e-07
1.984051.565146.962039e-07
1.994231.5649877.089382e-07
21.56497.161600e-07
2.004461.5648327.567814e-07
2.014741.5646768.504744e-07
2.025071.5645189.446478e-07
2.035461.5643591.039304e-06
2.045891.5641981.134446e-06
2.056391.5640351.230076e-06
2.066931.5638711.326196e-06
2.077531.5637051.422809e-06
2.088191.5635381.519918e-06
2.09891.5633691.617525e-06
2.109661.5631981.715632e-06
2.120481.5630251.814243e-06
2.131361.5628511.913359e-06
2.142291.5626742.012983e-06
2.153271.5624962.113119e-06
2.164321.5623172.213768e-06
2.175421.5621352.314933e-06
2.186571.5619512.416617e-06
2.197791.5617662.518822e-06
2.21.5617292.539000e-06
2.209061.5615782.650076e-06
2.220391.5613892.789012e-06
2.231771.5611972.928660e-06
2.243221.5610043.069024e-06
2.254721.5608093.210108e-06
2.266291.5606113.351916e-06
2.277911.5604113.494451e-06
2.289591.5602093.637716e-06
2.301331.5600053.781717e-06
2.313141.5597993.926456e-06
2.3251.5595914.071938e-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
—