Optical constants

Refractive index of H-K10 (CDGM)

H-K10: 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
1.51818
Extinction coefficient k
1.87414e-08
Permittivity ε1
2.30487
Permittivity ε2
5.69057e-08
Absorption coefficient α
0.00400803 cm⁻¹
Penetration depth δ = λ/(2πk)
4.98998e+09 nm
Abbe number Vd
58.949
Chromatic dispersion dn/dλ
-0.0453732 µm⁻¹
Group index ng
1.54484
Group velocity dispersion
79.5871 fs²/mm
Dispersion parameter D
-434.19 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-K10 (CDGM): H-K10
cdgm_h_k10 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-K10", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_k10.range_nm)  # (313, 2325) nm
eps = cdgm_h_k10.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=0.231760668λ2λ2−0.0237840711+1.03993508λ2λ2−0.00615271269+0.966966878λ2λ2−117.740117

Valid from 0.313 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C20.231760668
C30.0237840711
C41.03993508
C50.00615271269
C60.966966878
C7117.740117

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -3.97e-06 2.28e-08 -5.39e-11 4.17e-07 -3.71e-10 0.254
nd
1.518180
Vd
58.949331
glass code
518590
density
value: 2500
thermal expansion
value: 9e-06, temperature range: 243 343; value: 1.08e-05, temperature range: 293 573
resistance
climatic: 3.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = -1.17e-06 K⁻¹ at 633 nm, dn/dT = -1.56e-06 K⁻¹ at 1310 nm, dn/dT = -1.59e-06 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-K10 (CDGM), H-K10: n and k versus wavelength
λ (µm)nk
0.3131.5539890
0.3145771.5534320
0.3161621.5528830
0.3177551.5523420
0.3193561.5518080
0.321.5515965.399200e-06
0.3209651.5512815.104139e-06
0.3225821.5507614.609647e-06
0.3242071.5502484.112664e-06
0.3258411.5497423.613177e-06
0.3274831.5492433.111174e-06
0.3291331.548752.606641e-06
0.331.5484942.341400e-06
0.3307911.5482642.238752e-06
0.3324581.5477842.022437e-06
0.3341331.547311.805032e-06
0.3358161.5468431.586532e-06
0.3375081.5463821.366930e-06
0.3392091.5459261.146222e-06
0.341.5457171.043500e-06
0.3409181.5454779.938332e-07
0.3426351.5450339.008621e-07
0.3443621.5445958.074227e-07
0.3460971.5441637.135125e-07
0.347841.5437366.191291e-07
0.3495931.5433155.242702e-07
0.351.5432185.022400e-07
0.3513541.5428994.678376e-07
0.3531251.5424884.228712e-07
0.3549041.5420823.776782e-07
0.3566921.5416823.322575e-07
0.3584891.5412862.866080e-07
0.361.5409592.482300e-07
0.3602951.5408952.447210e-07
0.3621111.540512.231514e-07
0.3639351.5401282.014732e-07
0.3657691.5397521.796858e-07
0.3676121.539381.577886e-07
0.3694641.5390131.357811e-07
0.371.5389081.294100e-07
0.3713251.5386511.224058e-07
0.3731961.5382921.125181e-07
0.3750761.5379381.025807e-07
0.3769661.5375899.259320e-08
0.3788661.5372438.255538e-08
0.381.537047.656000e-08
0.3807741.5369027.426334e-08
0.3826931.5365656.857405e-08
0.3846211.5362326.285610e-08
0.3865591.5359035.710933e-08
0.3885071.5355775.133362e-08
0.391.5353324.690500e-08
0.3904641.5352564.621289e-08
0.3924311.5349394.327884e-08
0.3944091.5346254.033000e-08
0.3963961.5343153.736631e-08
0.3983931.5340083.438769e-08
0.41.5337653.199100e-08
0.40041.5337053.182063e-08
0.4024181.5334063.096194e-08
0.4044451.533113.009891e-08
0.4064831.5328182.923154e-08
0.4085311.5325292.835980e-08
0.4105891.5322432.748367e-08
0.4126581.5319612.660312e-08
0.4147371.5316822.571814e-08
0.4168271.5314062.482870e-08
0.4189271.5311332.393478e-08
0.421.5309952.347800e-08
0.4210381.5308632.335318e-08
0.4231591.5305972.309798e-08
0.4252911.5303332.284149e-08
0.4274341.5300722.258372e-08
0.4295871.5298152.232464e-08
0.4317521.529562.206426e-08
0.4339271.5293082.180257e-08
0.4361131.5290592.153956e-08
0.4383111.5288132.127522e-08
0.441.5286262.107200e-08
0.4405191.5285692.109687e-08
0.4427391.5283282.120318e-08
0.4449691.528092.131003e-08
0.4472111.5278552.141742e-08
0.4494641.5276222.152535e-08
0.4517291.5273912.163382e-08
0.4540051.5271632.174284e-08
0.4562921.5269382.185241e-08
0.4585911.5267152.196253e-08
0.461.526582.203000e-08
0.4609021.5264952.189993e-08
0.4632241.5262772.156506e-08
0.4655581.5260612.122851e-08
0.4679041.5258482.089027e-08
0.4702611.5256362.055032e-08
0.4726311.5254282.020866e-08
0.4750121.5252211.986527e-08
0.4774051.5250171.952016e-08
0.4798111.5248151.917331e-08
0.481.5247991.914600e-08
0.4822281.5246151.923490e-08
0.4846581.5244171.933184e-08
0.48711.5242211.942928e-08
0.4895541.5240271.952720e-08
0.492021.5238351.962561e-08
0.4944991.5236461.972453e-08
0.4969911.5234581.982394e-08
0.4994951.5232721.992385e-08
0.51.5232351.994400e-08
0.5020121.5230881.984736e-08
0.5045411.5229061.972585e-08
0.5070831.5227261.960373e-08
0.5096381.5225481.948100e-08
0.5122061.5223721.935764e-08
0.5147861.5221971.923366e-08
0.517381.5220241.910906e-08
0.5199871.5218531.898383e-08
0.5226071.5216841.885797e-08
0.525241.5215171.873148e-08
0.5278861.5213511.860435e-08
0.5305461.5211871.847658e-08
0.5332191.5210241.834816e-08
0.5359061.5208631.821910e-08
0.5386061.5207041.808939e-08
0.5413191.5205461.795902e-08
0.5440471.520391.782800e-08
0.5467881.5202351.769631e-08
0.5495431.5200821.756397e-08
0.551.5200571.754200e-08
0.5523121.5199311.761574e-08
0.5550941.519781.770451e-08
0.5578911.5196321.779373e-08
0.5607021.5194851.788339e-08
0.5635271.5193391.797351e-08
0.5663661.5191941.806409e-08
0.569221.5190511.815511e-08
0.5720881.518911.824660e-08
0.574971.518771.833855e-08
0.5778671.5186311.843096e-08
0.5807791.5184931.852384e-08
0.5837051.5183571.861719e-08
0.5866461.5182221.871100e-08
0.5896021.5180881.880529e-08
0.5925721.5179551.890005e-08
0.5955581.5178241.899530e-08
0.5985581.5176941.909102e-08
0.61.5176321.913700e-08
0.6015741.5175651.918722e-08
0.6046051.5174371.928391e-08
0.6076511.5173111.938108e-08
0.6107131.5171851.947875e-08
0.613791.5170611.957690e-08
0.6168831.5169381.967555e-08
0.6199911.5168161.977470e-08
0.6231141.5166951.987435e-08
0.6262541.5165751.997450e-08
0.6294091.5164562.007516e-08
0.632581.5163392.017632e-08
0.6357681.5162222.027799e-08
0.6389711.5161062.038017e-08
0.642191.5159922.048287e-08
0.6454261.5158782.058609e-08
0.6486781.5157652.068982e-08
0.651.515722.073200e-08
0.6519461.5156532.057647e-08
0.6552311.5155432.031395e-08
0.6585321.5154332.005011e-08
0.661851.5153241.978494e-08
0.6651851.5152161.951843e-08
0.6685361.5151081.925058e-08
0.6719051.5150021.898138e-08
0.675291.5148971.871083e-08
0.6786921.5147921.843891e-08
0.6821121.5146881.816562e-08
0.6855491.5145861.789096e-08
0.6890031.5144831.761491e-08
0.6924741.5143821.733747e-08
0.6959631.5142821.705863e-08
0.699471.5141821.677839e-08
0.71.5141671.673600e-08
0.7029941.5140831.680758e-08
0.7065361.5139851.689227e-08
0.7100961.5138881.697739e-08
0.7136731.5137911.706293e-08
0.7172691.5136951.714890e-08
0.7208831.51361.723531e-08
0.7245151.5135051.732216e-08
0.7281651.5134121.740944e-08
0.7318341.5133191.749716e-08
0.7355221.5132261.758532e-08
0.7392271.5131341.767393e-08
0.7429521.5130431.776298e-08
0.7466951.5129531.785248e-08
0.7504571.5128631.794243e-08
0.7542381.5127741.803284e-08
0.7580391.5126851.812370e-08
0.7618581.5125971.821502e-08
0.7656961.512511.830680e-08
0.7695541.5124231.839904e-08
0.7734321.5123361.849175e-08
0.7773281.5122511.858492e-08
0.7812451.5121661.867857e-08
0.7851811.5120811.877268e-08
0.7891371.5119971.886727e-08
0.7931131.5119131.896234e-08
0.7971091.511831.905788e-08
0.81.5117711.912700e-08
0.8011251.5117481.900130e-08
0.8051621.5116661.855043e-08
0.8092181.5115841.809730e-08
0.8132961.5115031.764188e-08
0.8173931.5114221.718416e-08
0.8215121.5113421.672414e-08
0.8256511.5112621.626181e-08
0.8298111.5111831.579714e-08
0.8339921.5111041.533013e-08
0.8381941.5110261.486077e-08
0.8424171.5109481.438904e-08
0.8466611.510871.391494e-08
0.851.510811.354200e-08
0.8509271.5107931.355676e-08
0.8552141.5107161.362501e-08
0.8595231.510641.369361e-08
0.8638541.5105641.376255e-08
0.8682061.5104881.383184e-08
0.8725811.5104131.390148e-08
0.8769771.5103381.397148e-08
0.8813961.5102631.404182e-08
0.8858361.5101891.411252e-08
0.89031.5101151.418357e-08
0.8947851.5100411.425498e-08
0.8992941.5099681.432675e-08
0.91.5099561.433800e-08
0.9038251.5098951.439896e-08
0.9083781.5098221.447155e-08
0.9129551.5097491.454451e-08
0.9175551.5096771.461783e-08
0.9221781.5096051.469152e-08
0.9268241.5095331.476558e-08
0.9314941.5094621.484001e-08
0.9361871.5093911.491483e-08
0.9409041.509321.499001e-08
0.9456451.5092491.506558e-08
0.951.5091851.513500e-08
0.9504091.5091781.514152e-08
0.9551981.5091081.521775e-08
0.9600111.5090381.529437e-08
0.9648471.5089681.537137e-08
0.9697091.5088981.544876e-08
0.9745951.5088291.552654e-08
0.9795051.5087591.560472e-08
0.984441.508691.568329e-08
0.98941.5086211.576225e-08
0.9943851.5085521.584161e-08
0.9993951.5084831.592137e-08
11.5084751.593100e-08
1.004431.5084151.600159e-08
1.009491.5083461.608223e-08
1.014581.5082781.616327e-08
1.019691.508211.624472e-08
1.024831.5081411.632657e-08
1.029991.5080731.640885e-08
1.035181.5080051.649153e-08
1.04041.5079381.657463e-08
1.045641.507871.665816e-08
1.050911.5078021.674210e-08
1.05621.5077341.682646e-08
1.061.5076861.688700e-08
1.061521.5076671.691126e-08
1.066871.5075991.699649e-08
1.072251.5075321.708215e-08
1.077651.5074641.716824e-08
1.083081.5073971.725476e-08
1.088531.5073291.734172e-08
1.094021.5072621.742912e-08
1.099531.5071941.751696e-08
1.105071.5071271.760524e-08
1.110641.5070591.769397e-08
1.116231.5069921.778314e-08
1.121861.5069241.787277e-08
1.127511.5068571.796284e-08
1.133191.5067891.805337e-08
1.13891.5067221.814435e-08
1.144641.5066541.823580e-08
1.150411.5065861.832770e-08
1.15621.5065181.842007e-08
1.162031.506451.851290e-08
1.167881.5063821.860620e-08
1.173771.5063141.869997e-08
1.179681.5062461.879421e-08
1.185631.5061781.888893e-08
1.19161.506111.898412e-08
1.19761.5060411.907980e-08
1.21.5060141.911800e-08
1.203641.5059721.917593e-08
1.20971.5059041.927254e-08
1.21581.5058351.936963e-08
1.221921.5057661.946721e-08
1.228081.5056971.956528e-08
1.234271.5056271.966385e-08
1.240481.5055581.976292e-08
1.246731.5054881.986248e-08
1.253021.5054181.996254e-08
1.259331.5053482.006311e-08
1.265671.5052782.016419e-08
1.272051.5052072.026577e-08
1.278461.5051362.036787e-08
1.28491.5050652.047048e-08
1.291381.5049942.057361e-08
1.297881.5049232.067726e-08
1.304421.5048512.078143e-08
1.310991.5047792.088612e-08
1.31761.5047072.099135e-08
1.324241.5046342.109710e-08
1.330911.5045612.120338e-08
1.337611.5044882.131021e-08
1.344351.5044152.141756e-08
1.351131.5043412.152547e-08
1.357941.5042672.163391e-08
1.364781.5041932.174290e-08
1.371651.5041182.185244e-08
1.378561.5040442.196253e-08
1.385511.5039682.207318e-08
1.392491.5038932.218438e-08
1.399511.5038172.229614e-08
1.41.5038112.230400e-08
1.406561.503742.450538e-08
1.413641.5036632.688428e-08
1.420771.5035862.927516e-08
1.427931.5035093.167809e-08
1.435121.5034313.409312e-08
1.442351.5033523.652032e-08
1.449621.5032733.895975e-08
1.456921.5031944.141148e-08
1.464261.5031144.387555e-08
1.471641.5030344.635204e-08
1.479051.5029544.884101e-08
1.486511.5028735.134252e-08
1.4941.5027915.385663e-08
1.501521.5027095.638340e-08
1.509091.5026275.892291e-08
1.516691.5025446.147522e-08
1.524331.502466.404038e-08
1.532011.5023766.661847e-08
1.539731.5022916.920955e-08
1.547491.5022067.181368e-08
1.555291.5021217.443093e-08
1.563121.5020347.706137e-08
1.5711.5019487.970507e-08
1.578911.501868.236208e-08
1.586871.5017728.503248e-08
1.594871.5016848.771633e-08
1.61.5016278.944000e-08
1.60291.5015949.619112e-08
1.610981.5015051.149873e-07
1.619091.5014141.338782e-07
1.627251.5013231.528643e-07
1.635451.5012311.719460e-07
1.643691.5011391.911239e-07
1.651971.5010462.103984e-07
1.660291.5009522.297700e-07
1.668661.5008582.492392e-07
1.677071.5007632.688065e-07
1.685521.5006672.884724e-07
1.694011.500573.082374e-07
1.702541.5004733.281020e-07
1.711121.5003753.480666e-07
1.719741.5002763.681318e-07
1.728411.5001763.882982e-07
1.737121.5000764.085661e-07
1.745871.4999754.289362e-07
1.754671.4998734.494089e-07
1.763511.499774.699847e-07
1.772391.4996664.906642e-07
1.781321.4995625.114479e-07
1.79031.4994565.323364e-07
1.799321.499355.533300e-07
1.81.4993425.549200e-07
1.808381.4992435.953061e-07
1.817491.4991356.392036e-07
1.826651.4990266.833224e-07
1.835851.4989167.276634e-07
1.84511.4988057.722278e-07
1.85441.4986948.170168e-07
1.863741.4985818.620314e-07
1.873131.4984679.072728e-07
1.882571.4983539.527421e-07
1.892061.4982379.984406e-07
1.901591.498121.044369e-06
1.911171.4980031.090529e-06
1.92081.4978841.136922e-06
1.930481.4977641.183549e-06
1.94021.4976431.230410e-06
1.949981.4975211.277507e-06
1.95981.4973981.324842e-06
1.969681.4972741.372415e-06
1.97961.4971491.420228e-06
1.989581.4970221.468282e-06
1.99961.4968951.516578e-06
21.4968891.518500e-06
2.009681.4967661.614156e-06
2.01981.4966361.714257e-06
2.029981.4965041.814862e-06
2.040211.4963721.915974e-06
2.050491.4962382.017596e-06
2.060821.4961032.119730e-06
2.07121.4959672.222378e-06
2.081641.495832.325544e-06
2.092121.4956912.429229e-06
2.102661.4955512.533437e-06
2.113261.4954092.638170e-06
2.123911.4952662.743430e-06
2.134611.4951222.849221e-06
2.145361.4949762.955545e-06
2.156171.4948293.062404e-06
2.167031.4946813.169802e-06
2.177951.4945313.277741e-06
2.188931.4943793.386224e-06
2.199951.4942263.495254e-06
2.21.4942263.495700e-06
2.211041.4940723.592055e-06
2.222181.4939163.689291e-06
2.233381.4937583.787017e-06
2.244631.4935993.885236e-06
2.255941.4934383.983949e-06
2.26731.4932764.083160e-06
2.278731.4931124.182871e-06
2.290211.4929464.283084e-06
2.301751.4927794.383802e-06
2.313341.492614.485027e-06
2.3251.4924394.586763e-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
—