Optical constants

Refractive index of SF10 (SCHOTT)

SF10: n,k 0.38–2.5 µm

Data
formula 2 + tabulated k
Range
0.38–2.5 µm
Temperature
293 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.38–2.5 µm
Refractive index n
1.72825
Extinction coefficient k
1.01298e-08
Permittivity ε1
2.98683
Permittivity ε2
3.50135e-08
Absorption coefficient α
0.00216635 cm⁻¹
Penetration depth δ = λ/(2πk)
9.23212e+09 nm
Abbe number Vd
28.41
Chromatic dispersion dn/dλ
-0.128786 µm⁻¹
Group index ng
1.80392
Group velocity dispersion
261.833 fs²/mm
Dispersion parameter D
-1428.44 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

# SF10 (SCHOTT): SF10
schott_sf10 = ls.fetch_refractiveindex("specs", "SCHOTT-optical", "SF10", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(schott_sf10.range_nm)  # (380, 2500) nm
eps = schott_sf10.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=1.61625977λ2λ2−0.0127534559+0.259229334λ2λ2−0.0581983954+1.07762317λ2λ2−116.60768

Valid from 0.38 to 2.5 µm.

Coefficients as stored
CiValue
C10.0
C21.61625977
C30.0127534559
C40.259229334
C50.0581983954
C61.07762317
C7116.60768

Comments and conditions

lead containing glass type

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: 5.31e-06 1.59e-08 -4.07e-11 1.28e-06 1.32e-09 0.27
nd
1.72825
Vd
28.41
glass code
728284.428
glass status
standard
density
value: 4280
thermal expansion
value: 7.5e-06, temperature range: 243 343; value: 8.4e-06, temperature range: 293 573
dPgF
0.0085
resistance
acid: 1.0; stain: 0.0; alkali: 1.2; climatic: 1.0; phosphate: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 5.26e-06 K⁻¹ at 633 nm, dn/dT = 3.37e-06 K⁻¹ at 1310 nm, dn/dT = 3.23e-06 K⁻¹ at 1550 nm

References

Cite

SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com); See also SCHOTT 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 416 wavelengths, the same grid as the API and the library
SF10 (SCHOTT), SF10: n and k versus wavelength
λ (µm)nk
0.381.790463.403000e-06
0.3817981.7892413.012979e-06
0.3836051.7880432.621112e-06
0.3854211.7868652.227391e-06
0.3872451.7857071.831806e-06
0.3890781.7845691.434350e-06
0.391.7840051.234300e-06
0.3909191.7834491.164291e-06
0.3927691.7823471.023343e-06
0.3946281.7812648.817270e-07
0.3964951.7801987.394410e-07
0.3983721.7791495.964817e-07
0.41.7782564.724500e-07
0.4002571.7781164.637746e-07
0.4021521.7771013.999108e-07
0.4040551.7761013.357449e-07
0.4051.7756123.038800e-07
0.4059671.7751162.914747e-07
0.4078881.7741472.668295e-07
0.4098191.7731932.420677e-07
0.4117581.7722532.171887e-07
0.4137071.7713271.921919e-07
0.4156651.7704161.670769e-07
0.4176321.7695181.418430e-07
0.4196091.7686331.164896e-07
0.421.768461.114700e-07
0.4215951.7677621.058631e-07
0.423591.7669039.884714e-08
0.4255951.7660579.179797e-08
0.4276091.7652238.471544e-08
0.4296321.7644017.759940e-08
0.4316661.7635917.044967e-08
0.4337091.7627936.326611e-08
0.4357611.7620055.604855e-08
0.4361.7619155.520900e-08
0.4378241.7612295.348909e-08
0.4398961.7604645.153479e-08
0.4419771.7597094.957123e-08
0.4440691.7589654.759838e-08
0.4461711.7582314.561620e-08
0.4482821.7575084.362464e-08
0.4504041.7567944.162365e-08
0.4525361.756093.961319e-08
0.4546771.7553953.759321e-08
0.4568291.7547093.556368e-08
0.4589911.7540333.352454e-08
0.461.7537223.257300e-08
0.4611631.7533663.213764e-08
0.4633461.7527083.132088e-08
0.4655391.7520583.050026e-08
0.4677421.7514172.967575e-08
0.4699561.7507842.884735e-08
0.472181.750162.801502e-08
0.4744141.7495432.717875e-08
0.476661.7489352.633853e-08
0.4789161.7483342.549433e-08
0.4811821.7477412.464613e-08
0.4834591.7471552.379392e-08
0.4857471.7465772.293767e-08
0.4880461.7460062.207738e-08
0.4903561.7454432.121301e-08
0.4926771.7448862.034455e-08
0.4950081.7443371.947198e-08
0.4973511.7437941.859528e-08
0.4997051.7432581.771444e-08
0.51.7431911.760400e-08
0.502071.7427281.720388e-08
0.5044461.7422051.674455e-08
0.5068331.7416891.628305e-08
0.5092321.7411781.581936e-08
0.5116421.7406741.535347e-08
0.5140631.7401761.488539e-08
0.5164961.7396841.441508e-08
0.5189411.7391981.394256e-08
0.5213971.7387181.346779e-08
0.5238641.7382431.299078e-08
0.5263441.7377741.251151e-08
0.5288351.737311.202997e-08
0.5313371.7368521.154615e-08
0.5338521.73641.106005e-08
0.5363781.7359521.057164e-08
0.5389171.735511.008092e-08
0.5414681.7350739.587881e-09
0.544031.7346419.092507e-09
0.5461.7343148.711700e-09
0.5466051.7342148.721348e-09
0.5491921.7337928.762617e-09
0.5517911.7333758.804080e-09
0.5544021.7329628.845741e-09
0.5570261.7325548.887598e-09
0.5596621.7321518.929653e-09
0.5623111.7317528.971907e-09
0.5649721.7313589.014362e-09
0.5676461.7309699.057017e-09
0.5703321.7305839.099874e-09
0.5730321.7302029.142934e-09
0.5757441.7298259.186198e-09
0.5784681.7294539.229666e-09
0.581.7292469.254100e-09
0.5812061.7290849.393069e-09
0.5839571.7287199.710005e-09
0.586721.7283591.002844e-08
0.5894971.7280021.034839e-08
0.5922871.727651.066984e-08
0.595091.7273011.099282e-08
0.5979061.7269561.131733e-08
0.6007361.7266141.164337e-08
0.6035791.7262771.197096e-08
0.6064361.7259421.230010e-08
0.6093061.7256121.263079e-08
0.6121891.7252851.296305e-08
0.6150871.7249611.329688e-08
0.6179981.7246411.363229e-08
0.621.7244241.386300e-08
0.6209231.7243251.388364e-08
0.6238611.7240111.394939e-08
0.6268141.7237011.401546e-08
0.629781.7233941.408183e-08
0.6327611.7230911.414852e-08
0.6357551.722791.421552e-08
0.6387641.7224931.428285e-08
0.6417871.7221991.435049e-08
0.6448251.7219071.441845e-08
0.6478761.7216191.448673e-08
0.6509421.7213341.455534e-08
0.6540231.7210511.462427e-08
0.6571181.7207721.469352e-08
0.661.7205151.475800e-08
0.6602281.7204951.473752e-08
0.6633531.7202211.445716e-08
0.6664921.719951.417548e-08
0.6696471.7196811.389246e-08
0.6728161.7194151.360810e-08
0.6761.7191521.332240e-08
0.6791991.7188921.303534e-08
0.6824141.7186341.274693e-08
0.6856431.7183781.245715e-08
0.6888881.7181251.216600e-08
0.6921491.7178751.187347e-08
0.6954241.7176271.157956e-08
0.6987151.7173811.128426e-08
0.71.7172861.116900e-08
0.7020221.7171381.116320e-08
0.7053451.7168971.115368e-08
0.7086831.7166581.114411e-08
0.7120371.7164221.113449e-08
0.7154071.7161881.112483e-08
0.7187921.7159561.111513e-08
0.7221941.7157271.110538e-08
0.7256121.7154991.109558e-08
0.7290461.7152741.108573e-08
0.7324961.7150511.107584e-08
0.7359631.714831.106591e-08
0.7394461.7146111.105592e-08
0.7429461.7143941.104589e-08
0.7464621.7141791.103581e-08
0.7499951.7139661.102568e-08
0.7535441.7137551.101551e-08
0.757111.7135451.100528e-08
0.7606931.7133381.099501e-08
0.7642931.7131331.098469e-08
0.7679111.7129291.097432e-08
0.7715451.7127271.096390e-08
0.7751961.7125271.095344e-08
0.7788651.7123291.094292e-08
0.7825511.7121331.093235e-08
0.7862551.7119381.092174e-08
0.7899761.7117451.091107e-08
0.7937141.7115541.090035e-08
0.7974711.7113641.088958e-08
0.8012451.7111761.087876e-08
0.8050371.710991.086789e-08
0.8088471.7108051.085697e-08
0.8126751.7106221.084600e-08
0.8165211.710441.083497e-08
0.8203851.710261.082390e-08
0.8242681.7100811.081277e-08
0.8281691.7099041.080158e-08
0.8320881.7097291.079035e-08
0.8360261.7095541.077906e-08
0.8399831.7093821.076772e-08
0.8439581.709211.075632e-08
0.8479531.709041.074487e-08
0.8519661.7088721.073337e-08
0.8559981.7087041.072181e-08
0.8600491.7085381.071019e-08
0.8641191.7083741.069853e-08
0.8682091.7082111.068680e-08
0.8723181.7080491.067502e-08
0.8764461.7078881.066319e-08
0.8805941.7077281.065130e-08
0.8847611.707571.063935e-08
0.8889491.7074131.062735e-08
0.8931561.7072571.061529e-08
0.8973831.7071021.060317e-08
0.901631.7069491.059099e-08
0.9058971.7067961.057876e-08
0.9101841.7066451.056647e-08
0.9144921.7064951.055412e-08
0.918821.7063451.054172e-08
0.9231681.7061971.052925e-08
0.9275371.706051.051673e-08
0.9319271.7059041.050414e-08
0.9363371.7057591.049150e-08
0.9407691.7056161.047880e-08
0.9452211.7054731.046603e-08
0.9496951.7053311.045321e-08
0.9541891.705191.044032e-08
0.9587051.705051.042738e-08
0.9632421.7049111.041437e-08
0.9678011.7047721.040130e-08
0.9723811.7046351.038817e-08
0.9769831.7044991.037498e-08
0.9816071.7043631.036173e-08
0.9862521.7042291.034841e-08
0.990921.7040951.033503e-08
0.995611.7039621.032159e-08
1.000321.703831.030808e-08
1.005061.7036981.029451e-08
1.009811.7035681.028087e-08
1.014591.7034381.026717e-08
1.019391.7033091.025341e-08
1.024221.7031811.023958e-08
1.029061.7030531.022568e-08
1.033941.7029261.021172e-08
1.038831.70281.019769e-08
1.043741.7026751.018360e-08
1.048681.702551.016944e-08
1.053651.7024261.015521e-08
1.058631.7023031.014092e-08
1.061.7022691.013700e-08
1.063641.702181.055252e-08
1.068681.7020581.112648e-08
1.073741.7019371.170317e-08
1.078821.7018161.228258e-08
1.083921.7016961.286473e-08
1.089051.7015761.344964e-08
1.094211.7014571.403732e-08
1.099391.7013381.462778e-08
1.104591.7012211.522104e-08
1.109821.7011031.581710e-08
1.115071.7009861.641598e-08
1.120351.700871.701770e-08
1.125651.7007541.762226e-08
1.130981.7006391.822969e-08
1.136331.7005241.883999e-08
1.141711.7004091.945318e-08
1.147111.7002952.006927e-08
1.152541.7001822.068827e-08
1.157991.7000692.131021e-08
1.163471.6999562.193509e-08
1.168981.6998442.256293e-08
1.174511.6997322.319374e-08
1.180071.699622.382753e-08
1.185651.6995092.446432e-08
1.191271.6993992.510413e-08
1.19691.6992882.574697e-08
1.202571.6991782.639284e-08
1.208261.6990682.704178e-08
1.213981.6989592.769378e-08
1.219721.698852.834887e-08
1.22551.6987412.900706e-08
1.23131.6986332.966837e-08
1.237121.6985253.033281e-08
1.242981.6984173.100039e-08
1.248861.6983093.167113e-08
1.254771.6982023.234504e-08
1.260711.6980943.302214e-08
1.266681.6979883.370245e-08
1.272671.6978813.438598e-08
1.278691.6977743.507274e-08
1.284751.6976683.576276e-08
1.290831.6975623.645603e-08
1.296931.6974563.715259e-08
1.303071.697353.785245e-08
1.309241.6972443.855562e-08
1.315441.6971393.926211e-08
1.321661.6970333.997195e-08
1.327921.6969284.068515e-08
1.33421.6968234.140173e-08
1.340521.6967184.212169e-08
1.346861.6966134.284507e-08
1.353231.6965084.357186e-08
1.359641.6964034.430210e-08
1.366071.6962994.503579e-08
1.372541.6961944.577296e-08
1.379031.6960894.651361e-08
1.385561.6959854.725777e-08
1.392121.695884.800545e-08
1.398711.6957754.875667e-08
1.405331.6956714.951144e-08
1.411981.6955665.026979e-08
1.418661.6954625.103172e-08
1.425371.6953575.179727e-08
1.432121.6952525.256643e-08
1.43891.6951475.333923e-08
1.445711.6950435.411570e-08
1.452551.6949385.489583e-08
1.459421.6948335.567966e-08
1.466331.6947285.646720e-08
1.473271.6946225.725847e-08
1.480241.6945175.805348e-08
1.487251.6944125.885225e-08
1.494291.6943065.965480e-08
1.501361.69426.046115e-08
1.508461.6940946.127132e-08
1.51561.6939886.208532e-08
1.522771.6938826.290318e-08
1.529981.6937766.372490e-08
1.531.6937766.372700e-08
1.537221.6936697.126353e-08
1.54451.6935627.885503e-08
1.551811.6934558.648245e-08
1.559151.6933489.414597e-08
1.566531.6932411.018458e-07
1.573941.6931331.095820e-07
1.581391.6930251.173548e-07
1.588881.6929161.251645e-07
1.59641.6928081.330111e-07
1.603951.6926991.408948e-07
1.611541.692591.488158e-07
1.619171.692481.567743e-07
1.626831.692371.647705e-07
1.634531.692261.728046e-07
1.642271.692151.808766e-07
1.650041.6920391.889869e-07
1.657851.6919281.971355e-07
1.66571.6918162.053227e-07
1.673581.6917042.135487e-07
1.68151.6915912.218136e-07
1.689461.6914792.301176e-07
1.697451.6913652.384608e-07
1.705491.6912512.468436e-07
1.713561.6911372.552661e-07
1.721671.6910232.637284e-07
1.729811.6909082.722308e-07
1.7381.6907922.807734e-07
1.746231.6906762.893564e-07
1.754491.6905592.979801e-07
1.762791.6904423.066445e-07
1.771141.6903243.153500e-07
1.779521.6902063.240967e-07
1.787941.6900873.328847e-07
1.79641.6899683.417144e-07
1.80491.6898483.505858e-07
1.813451.6897273.594993e-07
1.822031.6896063.684549e-07
1.830651.6894843.774529e-07
1.839321.6893623.864935e-07
1.848021.6892393.955768e-07
1.856771.6891154.047032e-07
1.865551.6889914.138728e-07
1.874381.6888664.230857e-07
1.883251.688744.323422e-07
1.892171.6886134.416426e-07
1.901121.6884864.509870e-07
1.910121.6883584.603756e-07
1.919161.688234.698086e-07
1.928241.68814.792863e-07
1.937371.687974.888088e-07
1.946541.6878394.983764e-07
1.955751.6877075.079893e-07
1.9651.6875745.176476e-07
1.971.6875035.228600e-07
1.97431.6874415.411469e-07
1.983651.6873065.808415e-07
1.993041.6871716.207241e-07
2.002471.6870356.607954e-07
2.011951.6868987.010563e-07
2.021471.686767.415078e-07
2.031031.6866217.821507e-07
2.040651.6864818.229859e-07
2.05031.6863418.640145e-07
2.060011.6861999.052372e-07
2.069761.6860569.466549e-07
2.079551.6859139.882687e-07
2.089391.6857681.030079e-06
2.099281.6856221.072088e-06
2.109221.6854761.114296e-06
2.11921.6853281.156703e-06
2.129231.6851791.199311e-06
2.139311.6850291.242120e-06
2.149431.6848781.285132e-06
2.15961.6847251.328348e-06
2.169821.6845721.371768e-06
2.180091.6844171.415394e-06
2.190411.6842621.459226e-06
2.200781.6841051.503266e-06
2.211191.6839471.547514e-06
2.221661.6837871.591971e-06
2.232171.6836271.636639e-06
2.242741.6834651.681518e-06
2.253351.6833021.726610e-06
2.264011.6831371.771915e-06
2.274731.6829711.817435e-06
2.285491.6828041.863169e-06
2.296311.6826351.909121e-06
2.307181.6824661.955290e-06
2.31811.6822942.001677e-06
2.3251.6821862.031000e-06
2.329071.6821212.052430e-06
2.340091.6819472.110491e-06
2.351171.6817722.168827e-06
2.362291.6815952.227439e-06
2.373471.6814162.286329e-06
2.384711.6812362.345497e-06
2.395991.6810542.404945e-06
2.407331.6808712.464674e-06
2.418721.6806862.524687e-06
2.430171.6804992.584983e-06
2.441671.6803112.645564e-06
2.453231.6801212.706433e-06
2.464841.679932.767589e-06
2.47651.6797372.829035e-06
2.488221.6795422.890771e-06
2.51.6793452.952800e-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
—