Optical constants

Refractive index of H-F5 (CDGM)

H-F5: 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
1.62435
Extinction coefficient k
1.98319e-08
Permittivity ε1
2.6385
Permittivity ε2
6.44277e-08
Absorption coefficient α
0.00424123 cm⁻¹
Penetration depth δ = λ/(2πk)
4.71561e+09 nm
Abbe number Vd
35.923
Chromatic dispersion dn/dλ
-0.0879685 µm⁻¹
Group index ng
1.67604
Group velocity dispersion
171.435 fs²/mm
Dispersion parameter D
-935.266 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-F5 (CDGM): H-F5
cdgm_h_f5 = ls.fetch_refractiveindex("specs", "CDGM-optical", "H-F5", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdgm_h_f5.range_nm)  # (365, 2325) nm
eps = cdgm_h_f5.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=1.43541709λ2λ2−0.0108394789+0.133104631λ2λ2−0.058152846+1.2215186λ2λ2−120.768299

Valid from 0.365 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C21.43541709
C30.0108394789
C40.133104631
C50.058152846
C61.2215186
C7120.768299

Comments and conditions

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: -7.35e-07 1.37e-08 -1.86e-11 7.71e-07 6.53e-10 0.265
nd
1.624350
Vd
35.923444
glass code
624359
density
value: 2690
thermal expansion
value: 7.8e-06, temperature range: 243 343; value: 9.7e-06, temperature range: 293 573
dPgF
0.0046
resistance
climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 8.02e-07 K⁻¹ at 633 nm, dn/dT = -1.30e-07 K⁻¹ at 1310 nm, dn/dT = -1.97e-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-F5 (CDGM), H-F5: n and k versus wavelength
λ (µm)nk
0.3651.6725463.467750e-06
0.3666981.6716592.812713e-06
0.3684031.6707862.154629e-06
0.371.6699871.538600e-06
0.3701171.6699291.526522e-06
0.3718381.6690861.348706e-06
0.3735681.6682571.170063e-06
0.3753061.6674429.905897e-07
0.3770511.666648.102812e-07
0.3788051.6658516.291340e-07
0.381.6653235.057100e-07
0.3805671.6650754.882988e-07
0.3823371.6643124.339431e-07
0.3841161.663563.793345e-07
0.3859021.6628213.244719e-07
0.3876971.6620922.693541e-07
0.38951.6613762.139799e-07
0.391.661181.986400e-07
0.3913121.660671.852975e-07
0.3931321.6599751.667896e-07
0.3949611.659291.481956e-07
0.3967981.6586161.295151e-07
0.3986441.6579521.107478e-07
0.41.6574729.695500e-08
0.4004981.6572979.554610e-08
0.4023611.6566539.027377e-08
0.4042321.6560178.497692e-08
0.4061121.6553917.965544e-08
0.4080011.6547747.430920e-08
0.4098991.6541666.893810e-08
0.4118061.6535666.354201e-08
0.4137211.6529755.812082e-08
0.4156451.6523925.267442e-08
0.4175791.6518184.720269e-08
0.4195211.6512514.170550e-08
0.421.6511134.035000e-08
0.4214721.6506923.997012e-08
0.4234331.6501413.946434e-08
0.4254021.6495973.895620e-08
0.4273811.649063.844570e-08
0.4293691.6485313.793282e-08
0.4313661.6480093.741756e-08
0.4333721.6474943.689990e-08
0.4353881.6469863.637984e-08
0.4374131.6464843.585735e-08
0.4394481.6459893.533244e-08
0.441.6458563.519000e-08
0.4414921.64553.475823e-08
0.4435451.6450183.416394e-08
0.4456091.6445423.356689e-08
0.4476811.6440723.296706e-08
0.4497641.6436083.236444e-08
0.4518561.643153.175901e-08
0.4539571.6426973.115077e-08
0.4560691.6422513.053970e-08
0.458191.641812.992579e-08
0.461.6414392.940200e-08
0.4603211.6413742.936072e-08
0.4624621.6409442.908558e-08
0.4646131.6405192.880917e-08
0.4667751.6400992.853147e-08
0.4689461.6396852.825249e-08
0.4711271.6392752.797220e-08
0.4733181.6388712.769061e-08
0.475521.6384712.740771e-08
0.4777321.6380762.712349e-08
0.4799541.6376862.683795e-08
0.481.6376782.683200e-08
0.4821861.6373012.651644e-08
0.4844291.636922.619269e-08
0.4866821.6365432.586743e-08
0.4889461.6361722.554067e-08
0.491221.6358042.521238e-08
0.4935051.6354412.488256e-08
0.49581.6350812.455121e-08
0.4981071.6347272.421832e-08
0.51.6344392.394500e-08
0.5004231.6343762.392801e-08
0.5027511.6340292.383463e-08
0.5050891.6336862.374081e-08
0.5074391.6333472.364655e-08
0.5097991.6330122.355186e-08
0.512171.6326812.345673e-08
0.5145531.6323532.336115e-08
0.5169461.6320292.326513e-08
0.519351.6317092.316866e-08
0.5217661.6313922.307174e-08
0.5241931.6310792.297438e-08
0.5266311.6307692.287656e-08
0.5290811.6304632.277828e-08
0.5315421.630162.267955e-08
0.5340141.629862.258036e-08
0.5364981.6295632.248070e-08
0.5389931.629272.238059e-08
0.54151.628982.228000e-08
0.5440191.6286932.217895e-08
0.5465491.6284092.207743e-08
0.5490921.6281292.197544e-08
0.551.6280292.193900e-08
0.5516461.6278512.184678e-08
0.5542121.6275762.170298e-08
0.5567891.6273042.155852e-08
0.5593791.6270352.141339e-08
0.5619811.6267682.126758e-08
0.5645951.6265052.112109e-08
0.5672211.6262442.097393e-08
0.5698591.6259862.082607e-08
0.572511.6257312.067754e-08
0.5751731.6254782.052830e-08
0.5778481.6252282.037838e-08
0.5805361.624982.022776e-08
0.5832361.6247352.007643e-08
0.5859491.6244931.992441e-08
0.5886751.6242521.977167e-08
0.5914131.6240151.961823e-08
0.5941641.6237791.946407e-08
0.5969271.6235461.930920e-08
0.5997041.6233161.915360e-08
0.61.6232911.913700e-08
0.6024931.6230871.895769e-08
0.6052961.6228611.875614e-08
0.6081111.6226371.855366e-08
0.610941.6224161.835023e-08
0.6137811.6221961.814586e-08
0.6166361.6219791.794053e-08
0.6195041.6217641.773425e-08
0.6223861.6215511.752701e-08
0.6252811.6213391.731881e-08
0.6281891.621131.710964e-08
0.6311111.6209231.689949e-08
0.6340471.6207181.668837e-08
0.6369961.6205151.647627e-08
0.6399591.6203141.626318e-08
0.6429351.6201151.604910e-08
0.6459261.6199171.583402e-08
0.648931.6197211.561794e-08
0.651.6196521.554100e-08
0.6519491.6195281.536996e-08
0.6549811.6193361.510377e-08
0.6580281.6191451.483635e-08
0.6610881.6189571.456768e-08
0.6641631.618771.429776e-08
0.6672521.6185851.402659e-08
0.6703561.6184021.375415e-08
0.6734741.618221.348045e-08
0.6766071.618041.320547e-08
0.6797541.6178611.292922e-08
0.6829151.6176851.265168e-08
0.6860921.6175091.237285e-08
0.6892831.6173361.209272e-08
0.6924891.6171631.181129e-08
0.695711.6169931.152855e-08
0.6989461.6168231.124450e-08
0.71.6167691.115200e-08
0.7021971.6166561.118700e-08
0.7054631.6164891.123903e-08
0.7087451.6163241.129130e-08
0.7120411.6161611.134382e-08
0.7153531.6159991.139658e-08
0.7186811.6158381.144958e-08
0.7220231.6156791.150283e-08
0.7253821.6155211.155633e-08
0.7287561.6153641.161008e-08
0.7321461.6152081.166408e-08
0.7355511.6150541.171833e-08
0.7389721.6149011.177283e-08
0.7424091.614751.182758e-08
0.7458631.6145991.188259e-08
0.7493321.614451.193786e-08
0.7528171.6143021.199338e-08
0.7563191.6141551.204916e-08
0.7598371.614011.210520e-08
0.7633711.6138651.216150e-08
0.7669221.6137221.221806e-08
0.7704891.6135791.227489e-08
0.7740731.6134381.233198e-08
0.7776731.6132981.238933e-08
0.781291.6131591.244696e-08
0.7849241.6130211.250485e-08
0.7885751.6128841.256301e-08
0.7922431.6127481.262144e-08
0.7959281.6126131.268014e-08
0.799631.6124791.273911e-08
0.81.6124661.274500e-08
0.803351.6123461.279840e-08
0.8070861.6122151.285796e-08
0.810841.6120831.291780e-08
0.8146121.6119531.297791e-08
0.8184011.6118241.303831e-08
0.8222081.6116961.309899e-08
0.8260321.6115691.315995e-08
0.8298741.6114421.322119e-08
0.8337341.6113161.328272e-08
0.8376121.6111921.334454e-08
0.8415081.6110681.340664e-08
0.8454221.6109451.346903e-08
0.8493551.6108221.353171e-08
0.851.6108021.354200e-08
0.8533051.6107011.359462e-08
0.8572741.610581.365781e-08
0.8612621.610461.372129e-08
0.8652681.6103411.378506e-08
0.8692921.6102231.384913e-08
0.8733361.6101051.391350e-08
0.8773981.6099881.397817e-08
0.8814791.6098721.404315e-08
0.8855791.6097561.410842e-08
0.8896981.6096421.417399e-08
0.8938361.6095271.423988e-08
0.8979941.6094141.430606e-08
0.91.609361.433800e-08
0.9021711.6093011.437260e-08
0.9063671.6091891.443949e-08
0.9105831.6090771.450669e-08
0.9148181.6089661.457420e-08
0.9190731.6088561.464203e-08
0.9233481.6087461.471017e-08
0.9276431.6086371.477863e-08
0.9319581.6085291.484741e-08
0.9362931.6084211.491651e-08
0.9406481.6083131.498593e-08
0.9450231.6082071.505567e-08
0.9494191.60811.512573e-08
0.951.6080861.513500e-08
0.9538351.6079951.519605e-08
0.9582711.6078891.526668e-08
0.9627291.6077841.533764e-08
0.9672071.607681.540893e-08
0.9717051.6075761.548055e-08
0.9762251.6074731.555250e-08
0.9807661.607371.562479e-08
0.9853281.6072681.569742e-08
0.9899111.6071661.577038e-08
0.9945151.6070641.584368e-08
0.9991411.6069631.591732e-08
11.6069451.593100e-08
1.003791.6068631.599136e-08
1.008461.6067621.606575e-08
1.013151.6066621.614049e-08
1.017861.6065631.621558e-08
1.022591.6064641.629101e-08
1.027351.6063651.636680e-08
1.032131.6062671.644293e-08
1.036931.6061681.651943e-08
1.041751.6060711.659628e-08
1.04661.6059731.667348e-08
1.051471.6058761.675105e-08
1.056361.6057791.682897e-08
1.061.6057081.688700e-08
1.061271.6056831.690726e-08
1.066211.6055871.698593e-08
1.071171.6054911.706496e-08
1.076151.6053951.714435e-08
1.081151.60531.722412e-08
1.086181.6052051.730426e-08
1.091241.605111.738477e-08
1.096311.6050151.746565e-08
1.101411.6049211.754691e-08
1.106531.6048271.762855e-08
1.111681.6047331.771057e-08
1.116851.6046391.779297e-08
1.122051.6045451.787576e-08
1.127271.6044521.795892e-08
1.132511.6043581.804248e-08
1.137781.6042651.812642e-08
1.143071.6041721.821076e-08
1.148391.604081.829549e-08
1.153731.6039871.838061e-08
1.159091.6038941.846612e-08
1.164481.6038021.855204e-08
1.16991.603711.863835e-08
1.175341.6036171.872507e-08
1.180811.6035251.881219e-08
1.18631.6034331.889971e-08
1.191821.6033411.898764e-08
1.197361.603251.907598e-08
1.21.6032061.911800e-08
1.202931.6031582.014982e-08
1.208531.6030662.211842e-08
1.214151.6029742.409617e-08
1.21981.6028822.608313e-08
1.225471.6027912.807933e-08
1.231171.6026993.008481e-08
1.23691.6026073.209962e-08
1.242651.6025163.412380e-08
1.248431.6024243.615740e-08
1.254241.6023323.820046e-08
1.260071.6022414.025302e-08
1.265931.6021494.231513e-08
1.271821.6020574.438682e-08
1.277741.6019654.646816e-08
1.283681.6018734.855917e-08
1.289651.6017815.065992e-08
1.295651.6016895.277043e-08
1.301671.6015975.489076e-08
1.307731.6015055.702095e-08
1.313811.6014125.916105e-08
1.319921.601326.131110e-08
1.326061.6012276.347116e-08
1.332231.6011346.564126e-08
1.338431.6010426.782146e-08
1.344651.6009497.001179e-08
1.350911.6008557.221232e-08
1.357191.6007627.442308e-08
1.36351.6006687.664412e-08
1.369851.6005757.887550e-08
1.376221.6004818.111725e-08
1.382621.6003878.336943e-08
1.389051.6002928.563209e-08
1.395511.6001988.790527e-08
1.41.6001328.948500e-08
1.4021.6001038.961291e-08
1.408521.6000089.002978e-08
1.415071.5999139.044858e-08
1.421661.5998179.086934e-08
1.428271.5997219.129205e-08
1.434911.5996259.171672e-08
1.441591.5995299.214337e-08
1.448291.5994329.257201e-08
1.455031.5993359.300264e-08
1.46181.5992389.343527e-08
1.468591.599149.386992e-08
1.475431.5990429.430658e-08
1.482291.5989449.474528e-08
1.489181.5988459.518602e-08
1.496111.5987469.562881e-08
1.503071.5986479.607365e-08
1.510061.5985479.652057e-08
1.517081.5984479.696957e-08
1.524141.5983479.742065e-08
1.531231.5982469.787383e-08
1.538351.5981449.832912e-08
1.545511.5980429.878653e-08
1.55271.597949.924607e-08
1.559921.5978389.970774e-08
1.567171.5977341.001716e-07
1.574461.5976311.006375e-07
1.581791.5975271.011057e-07
1.589141.5974221.015760e-07
1.596541.5973171.020485e-07
1.61.5972681.022700e-07
1.603961.5972121.068458e-07
1.611421.5971061.154639e-07
1.618921.5969991.241220e-07
1.626451.5968921.328204e-07
1.634011.5967841.415593e-07
1.641611.5966761.503388e-07
1.649251.5965671.591592e-07
1.656921.5964581.680206e-07
1.664631.5963481.769232e-07
1.672371.5962371.858672e-07
1.680151.5961261.948528e-07
1.687961.5960142.038802e-07
1.695811.5959022.129496e-07
1.70371.5957892.220612e-07
1.711631.5956752.312151e-07
1.719591.5955612.404117e-07
1.727591.5954462.496510e-07
1.735621.595332.589333e-07
1.743691.5952132.682588e-07
1.751811.5950962.776276e-07
1.759951.5949782.870400e-07
1.768141.594862.964962e-07
1.776361.594743.059964e-07
1.784631.594623.155408e-07
1.792931.5944993.251296e-07
1.81.5943963.333000e-07
1.801271.5943773.353035e-07
1.809641.5942553.485580e-07
1.818061.5941323.618740e-07
1.826521.5940073.752521e-07
1.835011.5938823.886923e-07
1.843551.5937574.021951e-07
1.852121.593634.157607e-07
1.860741.5935024.293894e-07
1.869391.5933744.430815e-07
1.878091.5932454.568372e-07
1.886821.5931144.706570e-07
1.89561.5929834.845410e-07
1.904421.5928514.984896e-07
1.913281.5927185.125031e-07
1.922181.5925845.265817e-07
1.931121.5924495.407259e-07
1.94011.5923135.549358e-07
1.949121.5921765.692118e-07
1.958191.5920385.835543e-07
1.96731.5918995.979634e-07
1.976451.5917596.124396e-07
1.985641.5916176.269831e-07
1.994881.5914756.415942e-07
21.5913966.497000e-07
2.004161.5913326.741193e-07
2.013481.5911877.289046e-07
2.022841.5910427.839448e-07
2.032251.5908958.392409e-07
2.04171.5907478.947943e-07
2.05121.5905989.506060e-07
2.060741.5904481.006677e-06
2.070331.5902961.063010e-06
2.079961.5901441.119604e-06
2.089631.589991.176461e-06
2.099351.5898351.233583e-06
2.109121.5896781.290971e-06
2.118931.5895211.348625e-06
2.128781.5893621.406548e-06
2.138681.5892011.464740e-06
2.148631.589041.523203e-06
2.158621.5888771.581937e-06
2.168671.5887121.640945e-06
2.178751.5885461.700227e-06
2.188891.5883791.759786e-06
2.199071.5882111.819621e-06
2.21.5881951.825100e-06
2.20931.5880411.850725e-06
2.219571.5878691.879051e-06
2.22991.5876961.907509e-06
2.240271.5875221.936100e-06
2.250691.5873461.964823e-06
2.261161.5871681.993680e-06
2.271671.5869892.022671e-06
2.282241.5868082.051797e-06
2.292861.5866262.081059e-06
2.303521.5864422.110456e-06
2.314241.5862572.139991e-06
2.3251.5860692.169662e-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
—