Optical constants

Refractive index of H-QF14 (CDGM)

H-QF14: 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
1.59551
Extinction coefficient k
2.34385e-08
Permittivity ε1
2.54564
Permittivity ε2
7.47925e-08
Absorption coefficient α
0.00501254 cm⁻¹
Penetration depth δ = λ/(2πk)
3.98999e+09 nm
Abbe number Vd
39.223
Chromatic dispersion dn/dλ
-0.0771189 µm⁻¹
Group index ng
1.64082
Group velocity dispersion
147.614 fs²/mm
Dispersion parameter D
-805.315 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-QF14 (CDGM): H-QF14
cdgm_h_qf14 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-QF14", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_qf14.range_nm)  # (365, 2325) nm
eps = cdgm_h_qf14.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=1.17413204λ2λ2−119.558629+1.36038248λ2λ2−0.00992935549+0.125239591λ2λ2−0.0538484281

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C21.17413204
C3119.558629
C41.36038248
C50.00992935549
C60.125239591
C70.0538484281

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: 2.81e-07 1.63e-08 -1.07e-11 6.25e-07 4.08e-10 0.282
nd
1.595510
Vd
39.222748
glass code
596392
density
value: 2620
thermal expansion
value: 7.8e-06, temperature range: 243 343; value: 9.2e-06, temperature range: 293 573
dPgF
0.0021
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 1.07e-06 K⁻¹ at 633 nm, dn/dT = 3.12e-07 K⁻¹ at 1310 nm, dn/dT = 2.57e-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 425 wavelengths, the same grid as the API and the library
H-QF14 (CDGM), H-QF14: n and k versus wavelength
λ (µm)nk
0.3651.6367133.807550e-06
0.3666981.6359753.187893e-06
0.3684031.6352492.565355e-06
0.371.6345831.982600e-06
0.3701171.6345351.969121e-06
0.3718381.6338321.770676e-06
0.3735681.633141.571308e-06
0.3753061.6324581.371013e-06
0.3770511.6317871.169786e-06
0.3788051.6311279.676229e-07
0.381.6306848.298800e-07
0.3805671.6304768.053200e-07
0.3823371.6298357.286463e-07
0.3841161.6292036.516159e-07
0.3859021.6285815.742272e-07
0.3876971.6279684.964786e-07
0.38951.6273644.183683e-07
0.391.6271993.967300e-07
0.3913121.6267693.736390e-07
0.3931321.6261823.416085e-07
0.3949611.6256043.094290e-07
0.3967981.6250342.770998e-07
0.3986441.6244722.446203e-07
0.41.6240662.207500e-07
0.4004981.6239182.177893e-07
0.4023611.6233712.067100e-07
0.4042321.6228331.955792e-07
0.4061121.6223011.843966e-07
0.4080011.6217771.731620e-07
0.4098991.621261.618752e-07
0.4118061.620751.505358e-07
0.4137211.6202471.391437e-07
0.4156451.619751.276986e-07
0.4175791.6192611.162003e-07
0.4195211.6187771.046485e-07
0.421.6186591.018000e-07
0.4214721.61839.951322e-08
0.4234331.617839.646851e-08
0.4254021.6173659.340964e-08
0.4273811.6169069.033654e-08
0.4293691.6164548.724915e-08
0.4313661.6160078.414740e-08
0.4333721.6155668.103122e-08
0.4353881.615137.790054e-08
0.4374131.61477.475531e-08
0.4394481.6142767.159544e-08
0.441.6141627.073800e-08
0.4414921.6138566.986559e-08
0.4435451.6134426.866479e-08
0.4456091.6130336.745841e-08
0.4476811.6126296.624641e-08
0.4497641.612236.502878e-08
0.4518561.6118366.380548e-08
0.4539571.6114476.257650e-08
0.4560691.6110626.134180e-08
0.458191.6106826.010135e-08
0.461.6103635.904300e-08
0.4603211.6103075.883531e-08
0.4624621.6099365.745119e-08
0.4646131.609575.606064e-08
0.4667751.6092085.466361e-08
0.4689461.608855.326009e-08
0.4711271.6084965.185004e-08
0.4733181.6081475.043343e-08
0.475521.6078014.901023e-08
0.4777321.607464.758042e-08
0.4799541.6071234.614395e-08
0.481.6071164.611400e-08
0.4821861.6067894.500543e-08
0.4844291.6064594.386810e-08
0.4866821.6061344.272549e-08
0.4889461.6058114.157755e-08
0.491221.6054934.042428e-08
0.4935051.6051783.926565e-08
0.49581.6048663.810162e-08
0.4981071.6045593.693218e-08
0.51.6043093.597200e-08
0.5004231.6042543.585317e-08
0.5027511.6039533.519990e-08
0.5050891.6036553.454359e-08
0.5074391.6033613.388422e-08
0.5097991.603073.322179e-08
0.512171.6027823.255628e-08
0.5145531.6024973.188767e-08
0.5169461.6022153.121595e-08
0.519351.6019373.054111e-08
0.5217661.6016612.986312e-08
0.5241931.6013882.918199e-08
0.5266311.6011182.849769e-08
0.5290811.6008522.781020e-08
0.5315421.6005882.711951e-08
0.5340141.6003262.642562e-08
0.5364981.6000682.572849e-08
0.5389931.5998122.502813e-08
0.54151.5995592.432450e-08
0.5440191.5993092.361760e-08
0.5465491.5990612.290742e-08
0.5490921.5988162.219393e-08
0.551.5987292.193900e-08
0.5516461.5985732.200463e-08
0.5542121.5983332.210696e-08
0.5567891.5980952.220976e-08
0.5593791.597862.231304e-08
0.5619811.5976272.241680e-08
0.5645951.5973972.252105e-08
0.5672211.5971692.262578e-08
0.5698591.5969432.273100e-08
0.572511.596722.283670e-08
0.5751731.5964982.294290e-08
0.5778481.5962792.304959e-08
0.5805361.5960622.315678e-08
0.5832361.5958482.326447e-08
0.5859491.5956352.337265e-08
0.5886751.5954242.348134e-08
0.5914131.5952162.359054e-08
0.5941641.595012.370024e-08
0.5969271.5948052.381046e-08
0.5997041.5946032.392119e-08
0.61.5945812.393300e-08
0.6024931.5944022.429182e-08
0.6052961.5942042.469514e-08
0.6081111.5940072.510034e-08
0.610941.5938132.550742e-08
0.6137811.593622.591639e-08
0.6166361.5934292.632727e-08
0.6195041.5932392.674006e-08
0.6223861.5930522.715477e-08
0.6252811.5928662.757140e-08
0.6281891.5926822.798998e-08
0.6311111.59252.841050e-08
0.6340471.592322.883298e-08
0.6369961.5921412.925742e-08
0.6399591.5919632.968384e-08
0.6429351.5917883.011224e-08
0.6459261.5916143.054263e-08
0.648931.5914413.097503e-08
0.651.5913813.112900e-08
0.6519491.5912713.078594e-08
0.6549811.5911013.025205e-08
0.6580281.5909332.971568e-08
0.6610881.5907672.917681e-08
0.6641631.5906022.863544e-08
0.6672521.5904392.809154e-08
0.6703561.5902772.754512e-08
0.6734741.5901162.699616e-08
0.6766071.5899572.644464e-08
0.6797541.58982.589056e-08
0.6829151.5896432.533390e-08
0.6860921.5894882.477465e-08
0.6892831.5893342.421280e-08
0.6924891.5891822.364834e-08
0.695711.5890312.308125e-08
0.6989461.5888812.251152e-08
0.71.5888332.232600e-08
0.7021971.5887332.225571e-08
0.7054631.5885852.215123e-08
0.7087451.5884392.204625e-08
0.7120411.5882942.194080e-08
0.7153531.5881512.183485e-08
0.7186811.5880082.172841e-08
0.7220231.5878672.162147e-08
0.7253821.5877262.151403e-08
0.7287561.5875872.140610e-08
0.7321461.5874492.129766e-08
0.7355511.5873122.118872e-08
0.7389721.5871772.107928e-08
0.7424091.5870422.096932e-08
0.7458631.5869082.085885e-08
0.7493321.5867752.074787e-08
0.7528171.5866442.063637e-08
0.7563191.5865132.052436e-08
0.7598371.5863832.041182e-08
0.7633711.5862552.029876e-08
0.7669221.5861272.018517e-08
0.7704891.5862.007106e-08
0.7740731.5858741.995641e-08
0.7776731.585751.984123e-08
0.781291.5856261.972552e-08
0.7849241.5855021.960927e-08
0.7885751.585381.949247e-08
0.7922431.5852591.937514e-08
0.7959281.5851381.925725e-08
0.799631.5850191.913882e-08
0.81.5850071.912700e-08
0.803351.58491.920713e-08
0.8070861.5847821.929651e-08
0.810841.5846651.938630e-08
0.8146121.5845481.947652e-08
0.8184011.5844331.956715e-08
0.8222081.5843181.965821e-08
0.8260321.5842041.974969e-08
0.8298741.5840911.984159e-08
0.8337341.5839781.993392e-08
0.8376121.5838662.002668e-08
0.8415081.5837552.011987e-08
0.8454221.5836452.021350e-08
0.8493551.5835352.030756e-08
0.851.5835172.032300e-08
0.8533051.5834261.992736e-08
0.8572741.5833171.945227e-08
0.8612621.583211.897497e-08
0.8652681.5831021.849545e-08
0.8692921.5829961.801370e-08
0.8733361.582891.752971e-08
0.8773981.5827851.704347e-08
0.8814791.582681.655497e-08
0.8855791.5825761.606419e-08
0.8896981.5824731.557113e-08
0.8938361.582371.507578e-08
0.8979941.5822671.457812e-08
0.91.5822181.433800e-08
0.9021711.5821661.437260e-08
0.9063671.5820641.443949e-08
0.9105831.5819641.450669e-08
0.9148181.5818631.457420e-08
0.9190731.5817641.464203e-08
0.9233481.5816651.471017e-08
0.9276431.5815661.477863e-08
0.9319581.5814681.484741e-08
0.9362931.581371.491651e-08
0.9406481.5812731.498593e-08
0.9450231.5811761.505567e-08
0.9494191.5810791.512573e-08
0.951.5810671.513500e-08
0.9538351.5809831.519605e-08
0.9582711.5808881.526668e-08
0.9627291.5807931.533764e-08
0.9672071.5806981.540893e-08
0.9717051.5806041.548055e-08
0.9762251.580511.555250e-08
0.9807661.5804161.562479e-08
0.9853281.5803231.569742e-08
0.9899111.580231.577038e-08
0.9945151.5801381.584368e-08
0.9991411.5800451.591732e-08
11.5800281.593100e-08
1.003791.5799541.599136e-08
1.008461.5798621.606575e-08
1.013151.5797711.614049e-08
1.017861.579681.621558e-08
1.022591.5795891.629101e-08
1.027351.5794991.636680e-08
1.032131.5794091.644293e-08
1.036931.5793191.651943e-08
1.041751.579231.659628e-08
1.04661.5791411.667348e-08
1.051471.5790521.675105e-08
1.056361.5789631.682897e-08
1.061.5788971.688700e-08
1.061271.5788741.690726e-08
1.066211.5787861.698593e-08
1.071171.5786981.706496e-08
1.076151.578611.714435e-08
1.081151.5785221.722412e-08
1.086181.5784351.730426e-08
1.091241.5783471.738477e-08
1.096311.578261.746565e-08
1.101411.5781731.754691e-08
1.106531.5780861.762855e-08
1.111681.5781.771057e-08
1.116851.5779131.779297e-08
1.122051.5778271.787576e-08
1.127271.577741.795892e-08
1.132511.5776541.804248e-08
1.137781.5775681.812642e-08
1.143071.5774821.821076e-08
1.148391.5773961.829549e-08
1.153731.577311.838061e-08
1.159091.5772241.846612e-08
1.164481.5771391.855204e-08
1.16991.5770531.863835e-08
1.175341.5769671.872507e-08
1.180811.5768821.881219e-08
1.18631.5767961.889971e-08
1.191821.5767111.898764e-08
1.197361.5766251.907598e-08
1.21.5765851.911800e-08
1.202931.576541.965653e-08
1.208531.5764542.068398e-08
1.214151.5763692.171621e-08
1.21981.5762832.275325e-08
1.225471.5761972.379510e-08
1.231171.5761122.484181e-08
1.23691.5760262.589338e-08
1.242651.575942.694984e-08
1.248431.5758552.801122e-08
1.254241.5757692.907753e-08
1.260071.5756833.014881e-08
1.265931.5755973.122506e-08
1.271821.5755113.230632e-08
1.277741.5754253.339262e-08
1.283681.5753383.448396e-08
1.289651.5752523.558038e-08
1.295651.5751663.668190e-08
1.301671.5750793.778855e-08
1.307731.5749923.890034e-08
1.313811.5749054.001730e-08
1.319921.5748184.113946e-08
1.326061.5747314.226684e-08
1.332231.5746434.339946e-08
1.338431.5745564.453735e-08
1.344651.5744684.568053e-08
1.350911.574384.682903e-08
1.357191.5742924.798287e-08
1.36351.5742034.914208e-08
1.369851.5741155.030668e-08
1.376221.5740265.147670e-08
1.382621.5739375.265216e-08
1.389051.5738475.383308e-08
1.395511.5737585.501950e-08
1.41.5736965.584400e-08
1.4021.5736685.566802e-08
1.408521.5735785.509452e-08
1.415071.5734875.451835e-08
1.421661.5733975.393950e-08
1.428271.5733065.335795e-08
1.434911.5732145.277370e-08
1.441591.5731235.218673e-08
1.448291.5730315.159704e-08
1.455031.5729385.100460e-08
1.46181.5728465.040940e-08
1.468591.5727534.981144e-08
1.475431.5726594.921069e-08
1.482291.5725664.860715e-08
1.489181.5724724.800081e-08
1.496111.5723774.739164e-08
1.503071.5722824.677964e-08
1.510061.5721874.616479e-08
1.517081.5720914.554709e-08
1.524141.5719954.492651e-08
1.531231.5718994.430304e-08
1.538351.5718024.367667e-08
1.545511.5717044.304739e-08
1.55271.5716064.241519e-08
1.559921.5715084.178004e-08
1.567171.5714094.114194e-08
1.574461.571314.050087e-08
1.581791.571213.985681e-08
1.589141.5711093.920977e-08
1.596541.5710093.855971e-08
1.61.5709613.825500e-08
1.603961.5709074.380834e-08
1.611421.5708055.426748e-08
1.618921.5707036.477527e-08
1.626451.57067.533193e-08
1.634011.5704968.593769e-08
1.641611.5703929.659278e-08
1.649251.5702871.072974e-07
1.656921.5701821.180519e-07
1.664631.5700761.288564e-07
1.672371.5699691.397111e-07
1.680151.5698621.506163e-07
1.687961.5697541.615722e-07
1.695811.5696461.725791e-07
1.70371.5695361.836372e-07
1.711631.5694271.947467e-07
1.719591.5693162.059079e-07
1.727591.5692052.171210e-07
1.735621.5690932.283863e-07
1.743691.568982.397040e-07
1.751811.5688672.510743e-07
1.759951.5687532.624975e-07
1.768141.5686382.739738e-07
1.776361.5685222.855035e-07
1.784631.5684062.970869e-07
1.792931.5682893.087241e-07
1.81.5681893.186400e-07
1.801271.5681713.213682e-07
1.809641.5680523.394171e-07
1.818061.5679323.575500e-07
1.826521.5678123.757672e-07
1.835011.5676913.940692e-07
1.843551.5675684.124563e-07
1.852121.5674454.309289e-07
1.860741.5673224.494874e-07
1.869391.5671974.681322e-07
1.878091.5670714.868638e-07
1.886821.5669445.056825e-07
1.89561.5668175.245887e-07
1.904421.5666885.435829e-07
1.913281.5665595.626654e-07
1.922181.5664295.818367e-07
1.931121.5662976.010971e-07
1.94011.5661656.204471e-07
1.949121.5660316.398872e-07
1.958191.5658976.594176e-07
1.96731.5657616.790389e-07
1.976451.5656256.987515e-07
1.985641.5654877.185558e-07
1.994881.5653497.384521e-07
21.5652717.494900e-07
2.004161.5652097.804143e-07
2.013481.5650688.497936e-07
2.022841.5649269.194957e-07
2.032251.5647839.895220e-07
2.04171.5646381.059874e-06
2.05121.5644931.130553e-06
2.060741.5643461.201561e-06
2.070331.5641981.272899e-06
2.079961.5640491.344569e-06
2.089631.5638991.416573e-06
2.099351.5637471.488911e-06
2.109121.5635941.561586e-06
2.118931.563441.634599e-06
2.128781.5632841.707951e-06
2.138681.5631281.781645e-06
2.148631.5629691.855681e-06
2.158621.562811.930062e-06
2.168671.5626492.004789e-06
2.178751.5624872.079863e-06
2.188891.5623232.155287e-06
2.199071.5621582.231061e-06
2.21.5621432.238000e-06
2.20931.5619922.267864e-06
2.219571.5618242.300876e-06
2.22991.5616542.334042e-06
2.240271.5614832.367362e-06
2.250691.5613112.400837e-06
2.261161.5611372.434468e-06
2.271671.5609612.468255e-06
2.282241.5607842.502199e-06
2.292861.5606052.536301e-06
2.303521.5604252.570562e-06
2.314241.5602432.604982e-06
2.3251.5600592.639563e-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
—