Optical constants

Refractive index of H-QF1 (CDGM)

H-QF1: 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
1.54814
Extinction coefficient k
1.40486e-08
Permittivity ε1
2.39673
Permittivity ε2
4.34985e-08
Absorption coefficient α
0.00300443 cm⁻¹
Penetration depth δ = λ/(2πk)
6.65683e+09 nm
Abbe number Vd
45.82
Chromatic dispersion dn/dλ
-0.0610932 µm⁻¹
Group index ng
1.58404
Group velocity dispersion
113.719 fs²/mm
Dispersion parameter D
-620.398 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-QF1 (CDGM): H-QF1
cdgm_h_qf1 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-QF1", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_qf1.range_nm)  # (365, 2325) nm
eps = cdgm_h_qf1.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=1.24414177λ2λ2−0.00867592204+1.08792977λ2λ2−124.77088+0.106583226λ2λ2−0.0473895753

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C21.24414177
C30.00867592204
C41.08792977
C5124.77088
C60.106583226
C70.0473895753

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -3.37e-06 1.32e-08 -5.38e-11 6.46e-07 6.5e-10 0.251
nd
1.548140
Vd
45.820011
glass code
548458
density
value: 2580
thermal expansion
value: 9.3e-06, temperature range: 243 343; value: 1.1e-05, temperature range: 293 573
dPgF
0.0012
resistance
climatic: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = -6.55e-07 K⁻¹ at 633 nm, dn/dT = -1.31e-06 K⁻¹ at 1310 nm, dn/dT = -1.35e-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-QF1 (CDGM), H-QF1: n and k versus wavelength
λ (µm)nk
0.3651.579585.652750e-07
0.3666981.5790394.786718e-07
0.3684031.5785073.916658e-07
0.371.5780183.102200e-07
0.3701171.5779823.082947e-07
0.3718381.5774652.799496e-07
0.3735681.5769552.514727e-07
0.3753061.5764522.228633e-07
0.3770511.5759551.941208e-07
0.3788051.5754661.652447e-07
0.381.5751381.455700e-07
0.3805671.5749841.415909e-07
0.3823371.5745081.291686e-07
0.3841161.5740381.166885e-07
0.3859021.5735751.041503e-07
0.3876971.5731189.155381e-08
0.38951.5726677.889874e-08
0.391.5725447.539300e-08
0.3913121.5722227.138901e-08
0.3931321.5717836.583491e-08
0.3949611.571356.025497e-08
0.3967981.5709235.464908e-08
0.3986441.57054.901712e-08
0.41.5701954.487800e-08
0.4004981.5700844.442918e-08
0.4023611.5696734.274964e-08
0.4042321.5692674.106228e-08
0.4061121.5688663.936708e-08
0.4080011.568473.766399e-08
0.4098991.5680793.595298e-08
0.4118061.5676933.423401e-08
0.4137211.5673123.250705e-08
0.4156451.5669363.077205e-08
0.4175791.5665642.902898e-08
0.4195211.5661972.727781e-08
0.421.5661072.684600e-08
0.4214721.5658342.668036e-08
0.4234331.5654762.645981e-08
0.4254021.5651222.623824e-08
0.4273811.5647732.601564e-08
0.4293691.5644272.579200e-08
0.4313661.5640862.556732e-08
0.4333721.5637492.534160e-08
0.4353881.5634162.511482e-08
0.4374131.5630872.488700e-08
0.4394481.5627612.465811e-08
0.441.5626742.459600e-08
0.4414921.562442.412999e-08
0.4435451.5621222.348858e-08
0.4456091.5618082.284417e-08
0.4476811.5614982.219677e-08
0.4497641.5611912.154636e-08
0.4518561.5608882.089293e-08
0.4539571.5605882.023645e-08
0.4560691.5602921.957692e-08
0.458191.5599991.891433e-08
0.461.5597531.834900e-08
0.4603211.5597091.836180e-08
0.4624621.5594231.844713e-08
0.4646131.559141.853285e-08
0.4667751.558861.861896e-08
0.4689461.5585831.870548e-08
0.4711271.5583091.879241e-08
0.4733181.5580391.887973e-08
0.475521.5577711.896746e-08
0.4777321.5575061.905560e-08
0.4799541.5572451.914415e-08
0.481.5572391.914600e-08
0.4821861.5569861.879633e-08
0.4844291.556731.843760e-08
0.4866821.5564761.807719e-08
0.4889461.5562261.771511e-08
0.491221.5559781.735134e-08
0.4935051.5557331.698589e-08
0.49581.555491.661873e-08
0.4981071.555251.624986e-08
0.51.5550561.594700e-08
0.5004231.5550131.592332e-08
0.5027511.5547781.579311e-08
0.5050891.5545451.566229e-08
0.5074391.5543151.553087e-08
0.5097991.5540881.539884e-08
0.512171.5538631.526619e-08
0.5145531.553641.513293e-08
0.5169461.553421.499904e-08
0.519351.5532011.486454e-08
0.5217661.5529851.472940e-08
0.5241931.5527721.459364e-08
0.5266311.552561.445725e-08
0.5290811.5523511.432022e-08
0.5315421.5521441.418256e-08
0.5340141.5519391.404425e-08
0.5364981.5517361.390531e-08
0.5389931.5515351.376571e-08
0.54151.5513361.362547e-08
0.5440191.5511391.348457e-08
0.5465491.5509441.334302e-08
0.5490921.5507511.320081e-08
0.551.5506831.315000e-08
0.5516461.550561.318933e-08
0.5542121.5503711.325066e-08
0.5567891.5501831.331227e-08
0.5593791.5499981.337416e-08
0.5619811.5498141.343635e-08
0.5645951.5496321.349882e-08
0.5672211.5494521.356159e-08
0.5698591.5492741.362464e-08
0.572511.5490971.368799e-08
0.5751731.5489221.375164e-08
0.5778481.5487491.381558e-08
0.5805361.5485771.387981e-08
0.5832361.5484071.394435e-08
0.5859491.5482391.400919e-08
0.5886751.5480721.407432e-08
0.5914131.5479071.413976e-08
0.5941641.5477431.420551e-08
0.5969271.5475811.427156e-08
0.5997041.5474211.433792e-08
0.61.5474041.434500e-08
0.6024931.5472621.440464e-08
0.6052961.5471041.447167e-08
0.6081111.5469481.453902e-08
0.610941.5467931.460667e-08
0.6137811.546641.467465e-08
0.6166361.5464881.474294e-08
0.6195041.5463371.481154e-08
0.6223861.5461881.488047e-08
0.6252811.546041.494972e-08
0.6281891.5458941.501928e-08
0.6311111.5457481.508918e-08
0.6340471.5456051.515939e-08
0.6369961.5454621.522994e-08
0.6399591.5453211.530081e-08
0.6429351.545181.537201e-08
0.6459261.5450411.544354e-08
0.648931.5449041.551541e-08
0.651.5448551.554100e-08
0.6519491.5447671.558757e-08
0.6549811.5446321.566005e-08
0.6580281.5444981.573286e-08
0.6610881.5443651.580601e-08
0.6641631.5442331.587950e-08
0.6672521.5441021.595333e-08
0.6703561.5439721.602751e-08
0.6734741.5438441.610203e-08
0.6766071.5437161.617690e-08
0.6797541.543591.625211e-08
0.6829151.5434641.632768e-08
0.6860921.543341.640360e-08
0.6892831.5432161.647987e-08
0.6924891.5430941.655649e-08
0.695711.5429731.663348e-08
0.6989461.5428521.671082e-08
0.71.5428131.673600e-08
0.7021971.5427331.664831e-08
0.7054631.5426141.651795e-08
0.7087451.5424971.638700e-08
0.7120411.542381.625543e-08
0.7153531.5422641.612325e-08
0.7186811.542151.599045e-08
0.7220231.5420361.585704e-08
0.7253821.5419221.572301e-08
0.7287561.541811.558835e-08
0.7321461.5416991.545307e-08
0.7355511.5415881.531716e-08
0.7389721.5414791.518062e-08
0.7424091.541371.504344e-08
0.7458631.5412621.490562e-08
0.7493321.5411541.476716e-08
0.7528171.5410481.462806e-08
0.7563191.5409421.448831e-08
0.7598371.5408371.434791e-08
0.7633711.5407331.420686e-08
0.7669221.5406291.406515e-08
0.7704891.5405271.392279e-08
0.7740731.5404251.377976e-08
0.7776731.5403231.363606e-08
0.781291.5402231.349170e-08
0.7849241.5401231.334666e-08
0.7885751.5400231.320096e-08
0.7922431.5399251.305457e-08
0.7959281.5398271.290750e-08
0.799631.5397291.275975e-08
0.81.539721.274500e-08
0.803351.5396331.279840e-08
0.8070861.5395361.285796e-08
0.810841.5394411.291780e-08
0.8146121.5393461.297791e-08
0.8184011.5392521.303831e-08
0.8222081.5391581.309899e-08
0.8260321.5390651.315995e-08
0.8298741.5389721.322119e-08
0.8337341.538881.328272e-08
0.8376121.5387891.334454e-08
0.8415081.5386981.340664e-08
0.8454221.5386081.346903e-08
0.8493551.5385181.353171e-08
0.851.5385031.354200e-08
0.8533051.5384281.359462e-08
0.8572741.5383391.365781e-08
0.8612621.5382511.372129e-08
0.8652681.5381631.378506e-08
0.8692921.5380761.384913e-08
0.8733361.5379891.391350e-08
0.8773981.5379021.397817e-08
0.8814791.5378161.404315e-08
0.8855791.5377311.410842e-08
0.8896981.5376461.417399e-08
0.8938361.5375611.423988e-08
0.8979941.5374761.430606e-08
0.91.5374361.433800e-08
0.9021711.5373931.437260e-08
0.9063671.5373091.443949e-08
0.9105831.5372261.450669e-08
0.9148181.5371431.457420e-08
0.9190731.5370611.464203e-08
0.9233481.5369791.471017e-08
0.9276431.5368971.477863e-08
0.9319581.5368161.484741e-08
0.9362931.5367351.491651e-08
0.9406481.5366541.498593e-08
0.9450231.5365741.505567e-08
0.9494191.5364941.512573e-08
0.951.5364831.513500e-08
0.9538351.5364141.519605e-08
0.9582711.5363351.526668e-08
0.9627291.5362561.533764e-08
0.9672071.5361771.540893e-08
0.9717051.5360991.548055e-08
0.9762251.536021.555250e-08
0.9807661.5359431.562479e-08
0.9853281.5358651.569742e-08
0.9899111.5357871.577038e-08
0.9945151.535711.584368e-08
0.9991411.5356331.591732e-08
11.5356191.593100e-08
1.003791.5355571.599136e-08
1.008461.535481.606575e-08
1.013151.5354041.614049e-08
1.017861.5353281.621558e-08
1.022591.5352521.629101e-08
1.027351.5351761.636680e-08
1.032131.5351011.644293e-08
1.036931.5350251.651943e-08
1.041751.534951.659628e-08
1.04661.5348751.667348e-08
1.051471.53481.675105e-08
1.056361.5347261.682897e-08
1.061.534671.688700e-08
1.061271.5346511.690726e-08
1.066211.5345771.698593e-08
1.071171.5345031.706496e-08
1.076151.5344281.714435e-08
1.081151.5343541.722412e-08
1.086181.5342811.730426e-08
1.091241.5342071.738477e-08
1.096311.5341331.746565e-08
1.101411.5340591.754691e-08
1.106531.5339861.762855e-08
1.111681.5339121.771057e-08
1.116851.5338391.779297e-08
1.122051.5337661.787576e-08
1.127271.5336921.795892e-08
1.132511.5336191.804248e-08
1.137781.5335461.812642e-08
1.143071.5334731.821076e-08
1.148391.53341.829549e-08
1.153731.5333271.838061e-08
1.159091.5332541.846612e-08
1.164481.533181.855204e-08
1.16991.5331071.863835e-08
1.175341.5330341.872507e-08
1.180811.5329611.881219e-08
1.18631.5328881.889971e-08
1.191821.5328151.898764e-08
1.197361.5327421.907598e-08
1.21.5327071.911800e-08
1.202931.5326681.965653e-08
1.208531.5325952.068398e-08
1.214151.5325222.171621e-08
1.21981.5324482.275325e-08
1.225471.5323752.379510e-08
1.231171.5323012.484181e-08
1.23691.5322282.589338e-08
1.242651.5321542.694984e-08
1.248431.532082.801122e-08
1.254241.5320062.907753e-08
1.260071.5319323.014881e-08
1.265931.5318583.122506e-08
1.271821.5317843.230632e-08
1.277741.531713.339262e-08
1.283681.5316353.448396e-08
1.289651.531563.558038e-08
1.295651.5314853.668190e-08
1.301671.531413.778855e-08
1.307731.5313353.890034e-08
1.313811.531264.001730e-08
1.319921.5311844.113946e-08
1.326061.5311094.226684e-08
1.332231.5310334.339946e-08
1.338431.5309574.453735e-08
1.344651.530884.568053e-08
1.350911.5308044.682903e-08
1.357191.5307274.798287e-08
1.36351.530654.914208e-08
1.369851.5305735.030668e-08
1.376221.5304965.147670e-08
1.382621.5304185.265216e-08
1.389051.530345.383308e-08
1.395511.5302625.501950e-08
1.41.5302075.584400e-08
1.4021.5301835.643695e-08
1.408521.5301045.836937e-08
1.415071.5300256.031078e-08
1.421661.5299466.226121e-08
1.428271.5298666.422072e-08
1.434911.5297866.618935e-08
1.441591.5297066.816713e-08
1.448291.5296257.015411e-08
1.455031.5295447.215033e-08
1.46181.5294637.415583e-08
1.468591.5293827.617067e-08
1.475431.52937.819487e-08
1.482291.5292178.022850e-08
1.489181.5291348.227158e-08
1.496111.5290518.432416e-08
1.503071.5289688.638629e-08
1.510061.5288848.845801e-08
1.517081.52889.053937e-08
1.524141.5287159.263041e-08
1.531231.528639.473118e-08
1.538351.5285449.684171e-08
1.545511.5284589.896207e-08
1.55271.5283721.010923e-07
1.559921.5282851.032324e-07
1.567171.5281971.053825e-07
1.574461.528111.075426e-07
1.581791.5280211.097127e-07
1.589141.5279321.118929e-07
1.596541.5278431.140833e-07
1.61.5278011.151100e-07
1.603961.5277531.220570e-07
1.611421.5276631.351409e-07
1.618921.5275721.482858e-07
1.626451.5274811.614917e-07
1.634011.5273891.747591e-07
1.641611.5272961.880881e-07
1.649251.5272032.014792e-07
1.656921.527112.149326e-07
1.664631.5270162.284485e-07
1.672371.5269212.420273e-07
1.680151.5268262.556693e-07
1.687961.526732.693747e-07
1.695811.5266332.831439e-07
1.70371.5265362.969771e-07
1.711631.5264383.108747e-07
1.719591.526343.248369e-07
1.727591.5262413.388640e-07
1.735621.5261413.529564e-07
1.743691.526043.671143e-07
1.751811.5259393.813381e-07
1.759951.5258383.956281e-07
1.768141.5257354.099845e-07
1.776361.5256324.244077e-07
1.784631.5255284.388979e-07
1.792931.5254234.534556e-07
1.81.5253344.658600e-07
1.801271.5253184.703320e-07
1.809641.5252124.999174e-07
1.818061.5251055.296405e-07
1.826521.5249975.595017e-07
1.835011.5248895.895019e-07
1.843551.5247796.196416e-07
1.852121.5246696.499215e-07
1.860741.5245586.803422e-07
1.869391.5244477.109044e-07
1.878091.5243347.416088e-07
1.886821.5242217.724560e-07
1.89561.5241068.034467e-07
1.904421.5239918.345815e-07
1.913281.5238758.658612e-07
1.922181.5237588.972863e-07
1.931121.523649.288576e-07
1.94011.5235219.605757e-07
1.949121.5234029.924414e-07
1.958191.5232811.024455e-06
1.96731.5231591.056618e-06
1.976451.5230371.088931e-06
1.985641.5229131.121393e-06
1.994881.5227891.154007e-06
21.5227191.172100e-06
2.004161.5226631.203028e-06
2.013481.5225361.272416e-06
2.022841.5224091.342127e-06
2.032251.522281.412163e-06
2.04171.522151.482524e-06
2.05121.522021.553212e-06
2.060741.5218881.624229e-06
2.070331.5217551.695576e-06
2.079961.521621.767255e-06
2.089631.5214851.839268e-06
2.099351.5213491.911616e-06
2.109121.5212111.984300e-06
2.118931.5210722.057322e-06
2.128781.5209322.130684e-06
2.138681.5207912.204387e-06
2.148631.5206492.278433e-06
2.158621.5205052.352823e-06
2.168671.520362.427559e-06
2.178751.5202142.502643e-06
2.188891.5200662.578076e-06
2.199071.5199182.653860e-06
2.21.5199042.660800e-06
2.20931.5197682.725284e-06
2.219571.5196162.796564e-06
2.22991.5194632.868176e-06
2.240271.5193092.940122e-06
2.250691.5191543.012401e-06
2.261161.5189973.085018e-06
2.271671.5188383.157971e-06
2.282241.5186793.231265e-06
2.292861.5185173.304899e-06
2.303521.5183553.378875e-06
2.314241.518193.453196e-06
2.3251.5180253.527863e-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
—