Optical constants

Refractive index of D 263® T eco Thin Glass (SCHOTT)

D 263® T eco Thin Glass: n,k 0.334–2.325 µm

Data
formula 2 + tabulated k
Range
0.334–2.325 µm
Temperature
293 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.334–2.325 µm
Refractive index n
1.5233
Extinction coefficient k
9.36131e-09
Permittivity ε1
2.32045
Permittivity ε2
2.85202e-08
Absorption coefficient α
0.002002 cm⁻¹
Penetration depth δ = λ/(2πk)
9.99000e+09 nm
Abbe number Vd
54.517
Chromatic dispersion dn/dλ
-0.0494608 µm⁻¹
Group index ng
1.55236
Group velocity dispersion
87.2277 fs²/mm
Dispersion parameter D
-475.873 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

# D 263® T eco Thin Glass (SCHOTT): D 263® T eco Thin Glass
schott_d263teco = ls.fetch_refractiveindex("specs", "SCHOTT-misc", "D263TECO", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(schott_d263teco.range_nm)  # (334, 2325) nm
eps = schott_d263teco.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=1.23795755λ2λ2−0.00863080926+0.0466468888λ2λ2−0.0469074501+2.46700556λ2λ2−264.146296

Valid from 0.334 to 2.325 µm.

Coefficients as stored
CiValue
C10.0
C21.23795755
C30.00863080926
C40.0466468888
C50.0469074501
C62.46700556
C7264.146296

Comments and conditions

Clear borosilicate glass of high chemical resistance

Conditions

temperature
293 K

Properties

nd
1.523303
Vd
54.517200
glass status
standard
density
value: 2510
thermal expansion
value: 7.2e-06, temperature range: 243 343

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 417 wavelengths, the same grid as the API and the library
D 263® T eco Thin Glass (SCHOTT), D 263® T eco Thin Glass: n and k versus wavelength
λ (µm)nk
0.3341.5560261.039800e-05
0.3356281.5554939.491350e-06
0.3372641.5549678.580279e-06
0.3389081.554457.664768e-06
0.3405611.5539396.744793e-06
0.3422211.5534375.820334e-06
0.3438891.5529414.891368e-06
0.3455651.5524533.957874e-06
0.347251.5519723.019828e-06
0.3489431.5514972.077211e-06
0.351.5512051.488500e-06
0.3506441.5510291.438442e-06
0.3523531.5505681.305537e-06
0.3540711.5501131.171984e-06
0.3557971.5496641.037780e-06
0.3575311.5492219.029217e-07
0.3592741.5487857.674060e-07
0.3610261.5483546.312298e-07
0.3627861.5479294.943897e-07
0.3645541.547513.568825e-07
0.3651.5474063.222100e-07
0.3663311.5470962.933121e-07
0.3681171.5466882.545459e-07
0.3699121.5462852.155906e-07
0.371.5462662.136700e-07
0.3717151.5458882.014487e-07
0.3735271.5454951.885343e-07
0.3753481.5451081.755568e-07
0.3771771.5447261.625162e-07
0.3790161.5443481.494119e-07
0.381.5441491.424000e-07
0.3808641.5439751.371619e-07
0.382721.5436071.259030e-07
0.3845861.5432441.145892e-07
0.3864611.5428851.032202e-07
0.3883451.5425319.179587e-08
0.391.5422258.175900e-08
0.3902381.5421818.126641e-08
0.392141.5418357.732894e-08
0.3940521.5414947.337226e-08
0.3959731.5411576.939630e-08
0.3979031.5408246.540096e-08
0.3998431.5404956.138614e-08
0.41.5404686.106100e-08
0.4017921.540176.011595e-08
0.4037511.5398495.908304e-08
0.4057191.5395325.804510e-08
0.4076971.5392185.700210e-08
0.4096841.5389085.595402e-08
0.4116811.5386025.490082e-08
0.4136881.53835.384250e-08
0.4157051.5380015.277901e-08
0.4177311.5377065.171034e-08
0.4197681.5374145.063646e-08
0.421.5373815.051400e-08
0.4218141.5371255.039540e-08
0.423871.536845.026097e-08
0.4259371.5365585.012589e-08
0.4280131.5362794.999015e-08
0.43011.5360044.985374e-08
0.4321961.5357324.971667e-08
0.4343031.5354624.957894e-08
0.436421.5351964.944053e-08
0.4385481.5349334.930144e-08
0.4406861.5346734.916168e-08
0.4428341.5344154.902124e-08
0.4449931.5341614.888011e-08
0.4471621.5339094.873829e-08
0.4493421.5336614.859579e-08
0.4515321.5334154.845259e-08
0.4537331.5331714.830869e-08
0.4559451.5329314.816408e-08
0.4581681.5326934.801878e-08
0.461.5324994.789900e-08
0.4604011.5324574.773907e-08
0.4626461.5322244.684469e-08
0.4649011.5319944.594594e-08
0.4671671.5317664.504281e-08
0.4694451.5315414.413528e-08
0.4717331.5313184.322333e-08
0.4740331.5310974.230693e-08
0.4763441.5308794.138606e-08
0.4786661.5306634.046071e-08
0.4809991.5304493.953084e-08
0.4833441.5302383.859644e-08
0.48571.5300293.765749e-08
0.4880681.5298223.671395e-08
0.4904471.5296173.576582e-08
0.4928381.5294153.481307e-08
0.495241.5292143.385567e-08
0.4976551.5290163.289361e-08
0.51.5288263.195900e-08
0.5000811.5288193.193609e-08
0.5025181.5286253.124379e-08
0.5049681.5284323.054811e-08
0.507431.5282422.984904e-08
0.5099031.5280532.914657e-08
0.5123891.5278672.844067e-08
0.5148871.5276822.773132e-08
0.5173971.5274992.701852e-08
0.5199191.5273182.630225e-08
0.5224541.5271392.558248e-08
0.5250011.5269622.485921e-08
0.527561.5267862.413241e-08
0.5301321.5266122.340207e-08
0.5327161.526442.266816e-08
0.5353131.526272.193068e-08
0.5379221.5261012.118960e-08
0.5405451.5259342.044491e-08
0.543181.5257681.969659e-08
0.5458281.5256041.894463e-08
0.5484881.5254421.818899e-08
0.5511621.5252811.742968e-08
0.5538491.5251221.666666e-08
0.5565491.5249641.589992e-08
0.5592621.5248081.512945e-08
0.5619881.5246531.435521e-08
0.5647281.52451.357721e-08
0.5674811.5243481.279541e-08
0.5702471.5241981.200980e-08
0.5730271.5240491.122036e-08
0.5758211.5239021.042707e-08
0.5786281.5237559.629918e-09
0.581.5236859.240200e-09
0.5814481.5236119.263280e-09
0.5842831.5234679.308447e-09
0.5871311.5233259.353835e-09
0.5899931.5231849.399443e-09
0.5928691.5230449.445274e-09
0.595761.5229069.491329e-09
0.5986641.5227699.537608e-09
0.6015821.5226339.584112e-09
0.6045151.5224989.630844e-09
0.6074621.5223659.677803e-09
0.6104231.5222339.724991e-09
0.6133991.5221019.772409e-09
0.6163891.5219719.820058e-09
0.6193941.5218439.867939e-09
0.6224131.5217159.916054e-09
0.6254471.5215889.964403e-09
0.6284961.5214631.001299e-08
0.631561.5213381.006181e-08
0.6346391.5212151.011087e-08
0.6377331.5210931.016017e-08
0.6408411.5209711.020971e-08
0.6439651.5208511.025949e-08
0.6471051.5207321.030951e-08
0.6502591.5206131.035978e-08
0.6534291.5204961.041029e-08
0.6566141.520381.046105e-08
0.6598151.5202641.051206e-08
0.661.5202581.051500e-08
0.6630321.520151.056328e-08
0.6662641.5200361.061475e-08
0.6695121.5199231.066648e-08
0.6727761.5198121.071845e-08
0.6760551.5197011.077068e-08
0.6793511.5195911.082317e-08
0.6826631.5194821.087590e-08
0.6859911.5193731.092890e-08
0.6893351.5192661.098216e-08
0.6926951.5191591.103567e-08
0.6960721.5190531.108945e-08
0.6994651.5189481.114348e-08
0.71.5189321.115200e-08
0.7028751.5188441.171846e-08
0.7063011.5187411.239357e-08
0.7097441.5186381.307198e-08
0.7132041.5185361.375369e-08
0.7166811.5184351.443873e-08
0.7201751.5183341.512710e-08
0.7236861.5182341.581884e-08
0.7272131.5181351.651394e-08
0.7307581.5180371.721243e-08
0.7343211.5179391.791433e-08
0.73791.5178421.861965e-08
0.7414981.5177461.932841e-08
0.7451121.517652.004062e-08
0.7487451.5175552.075630e-08
0.7523951.5174612.147548e-08
0.7560621.5173672.219815e-08
0.7597481.5172742.292436e-08
0.7634521.5171812.365410e-08
0.7671731.5170892.438740e-08
0.7709131.5169982.512427e-08
0.7746711.5169072.586474e-08
0.7784481.5168162.660881e-08
0.7822431.5167272.735652e-08
0.7860561.5166382.810787e-08
0.7898881.5165492.886288e-08
0.7937381.5164612.962157e-08
0.7976081.5163733.038396e-08
0.8014961.5162863.115006e-08
0.8054031.5161993.191991e-08
0.8093291.5161133.269350e-08
0.8132751.5160283.347086e-08
0.8172391.5159433.425202e-08
0.8212231.5158583.503698e-08
0.8252261.5157743.582577e-08
0.8292491.515693.661840e-08
0.8332921.5156063.741490e-08
0.8373541.5155233.821528e-08
0.8414361.5154413.901957e-08
0.8455381.5153593.982777e-08
0.849661.5152774.063991e-08
0.851.515274.070700e-08
0.8538011.5151963.997011e-08
0.8579641.5151153.916331e-08
0.8621461.5150343.835258e-08
0.8663491.5149543.753789e-08
0.8705721.5148743.671923e-08
0.8748161.5147943.589658e-08
0.8790811.5147153.506992e-08
0.8833661.5146363.423923e-08
0.8876721.5145583.340449e-08
0.8921.514483.256569e-08
0.8963481.5144023.172279e-08
0.9007171.5143243.087578e-08
0.9051081.5142473.002465e-08
0.9095211.514172.916936e-08
0.9139541.5140932.830991e-08
0.918411.5140172.744627e-08
0.9228871.5139412.657841e-08
0.9273861.5138652.570633e-08
0.9319071.5137892.482999e-08
0.9364491.5137132.394939e-08
0.9410151.5136382.306449e-08
0.9456021.5135632.217527e-08
0.9502111.5134882.128172e-08
0.9548441.5134142.038382e-08
0.9594981.5133391.948154e-08
0.9641761.5132651.857486e-08
0.9688761.5131911.766376e-08
0.9735991.5131171.674822e-08
0.9783451.5130441.582821e-08
0.9831141.512971.490372e-08
0.9879071.5128971.397473e-08
0.9927231.5128231.304120e-08
0.9975621.512751.210313e-08
1.002431.5126771.116048e-08
1.007311.5126051.021323e-08
1.012221.5125329.261371e-09
1.017161.5124598.304869e-09
1.022121.5123877.343705e-09
1.02711.5123146.377854e-09
1.03211.5122425.407296e-09
1.037141.512174.432006e-09
1.042191.5120983.451962e-09
1.047271.5120262.467140e-09
1.052381.5119541.477518e-09
1.057511.5118824.830711e-10
1.061.5118470
1.062661.511812.672956e-10
1.067841.5117387.872433e-10
1.073051.5116661.309726e-09
1.078281.5115941.834755e-09
1.083541.5115222.362344e-09
1.088821.511452.892504e-09
1.094131.5113793.425249e-09
1.099461.5113073.960592e-09
1.104821.5112354.498543e-09
1.110211.5111635.039118e-09
1.115621.5110915.582327e-09
1.121061.5110196.128185e-09
1.126521.5109476.676703e-09
1.132011.5108757.227896e-09
1.137531.5108037.781775e-09
1.143081.5107318.338355e-09
1.148651.5106598.897647e-09
1.154251.5105879.459667e-09
1.159871.5105151.002443e-08
1.165531.5104421.059194e-08
1.171211.510371.116222e-08
1.176921.5102971.173527e-08
1.182661.5102241.231113e-08
1.188421.5101511.288979e-08
1.194221.5100781.347127e-08
1.200041.5100051.405558e-08
1.205891.5099321.464274e-08
1.211771.5098581.523277e-08
1.217671.5097851.582567e-08
1.223611.5097111.642146e-08
1.229571.5096371.702016e-08
1.235571.5095631.762178e-08
1.241591.5094891.822632e-08
1.247641.5094141.883382e-08
1.253731.509341.944428e-08
1.259841.5092652.005771e-08
1.261.5092632.007400e-08
1.265981.509192.207282e-08
1.272151.5091142.413592e-08
1.278351.5090392.620908e-08
1.284581.5089632.829234e-08
1.290851.5088873.038575e-08
1.297141.5088113.248937e-08
1.303461.5087343.460325e-08
1.309821.5086573.672743e-08
1.31621.508583.886197e-08
1.322621.5085034.100691e-08
1.329071.5084254.316230e-08
1.335541.5083474.532821e-08
1.342051.5082694.750467e-08
1.34861.508194.969175e-08
1.355171.5081125.188948e-08
1.361781.5080325.409793e-08
1.368421.5079535.631714e-08
1.375091.5078735.854717e-08
1.381791.5077936.078808e-08
1.388531.5077126.303991e-08
1.395291.5076316.530271e-08
1.40211.507556.757655e-08
1.408931.5074686.986147e-08
1.41581.5073867.215753e-08
1.42271.5073037.446478e-08
1.429641.507227.678328e-08
1.436611.5071377.911308e-08
1.443611.5070538.145424e-08
1.450651.5069698.380681e-08
1.457721.5068848.617085e-08
1.464821.5067998.854641e-08
1.471971.5067139.093356e-08
1.479141.5066279.333234e-08
1.486351.5065419.574282e-08
1.49361.5064539.816504e-08
1.500881.5063661.005991e-07
1.50821.5062781.030450e-07
1.515551.5061891.055028e-07
1.522941.50611.079726e-07
1.5291.5060271.100000e-07
1.530361.5060111.113325e-07
1.537821.505921.186453e-07
1.545321.505831.259937e-07
1.552851.5057391.333779e-07
1.560421.5056471.407981e-07
1.568031.5055541.482545e-07
1.575671.5054611.557472e-07
1.583351.5053681.632764e-07
1.591071.5052741.708424e-07
1.598831.5051791.784452e-07
1.606621.5050831.860851e-07
1.614451.5049871.937623e-07
1.622321.5048912.014768e-07
1.630231.5047932.092290e-07
1.638181.5046952.170190e-07
1.646161.5045962.248469e-07
1.654191.5044972.327130e-07
1.662251.5043972.406175e-07
1.670361.5042962.485605e-07
1.67851.5041952.565422e-07
1.686681.5040932.645628e-07
1.69491.503992.726225e-07
1.703171.5038862.807215e-07
1.711471.5037812.888600e-07
1.719811.5036762.970381e-07
1.728191.503573.052562e-07
1.736621.5034633.135142e-07
1.745091.5033563.218126e-07
1.753591.5032483.301514e-07
1.762141.5031383.385308e-07
1.770731.5030283.469511e-07
1.779361.5029173.554125e-07
1.788041.5028063.639151e-07
1.796751.5026933.724591e-07
1.805511.502583.810448e-07
1.814311.5024653.896723e-07
1.823161.502353.983419e-07
1.832051.5022344.070538e-07
1.840981.5021174.158081e-07
1.849951.5019994.246051e-07
1.858971.501884.334450e-07
1.868031.501764.423280e-07
1.877141.5016394.512543e-07
1.886291.5015174.602241e-07
1.895481.5013944.692376e-07
1.904721.501274.782951e-07
1.914011.5011454.873967e-07
1.923341.5010194.965427e-07
1.932721.5008925.057333e-07
1.942141.5007645.149687e-07
1.951611.5006355.242491e-07
1.961121.5005055.335747e-07
1.971.5003835.422800e-07
1.970681.5003735.471626e-07
1.980291.5002416.162207e-07
1.989941.5001076.856155e-07
1.999641.4999727.553485e-07
2.009391.4998378.254215e-07
2.019181.4996998.958361e-07
2.029031.4995619.665939e-07
2.038921.4994221.037697e-06
2.048861.4992811.109146e-06
2.058851.4991391.180944e-06
2.068881.4989961.253092e-06
2.078971.4988511.325591e-06
2.08911.4987061.398444e-06
2.099291.4985591.471652e-06
2.109521.498411.545217e-06
2.11981.4982611.619140e-06
2.130141.498111.693424e-06
2.140521.4979571.768070e-06
2.150961.4978031.843080e-06
2.161441.4976481.918455e-06
2.171981.4974921.994198e-06
2.182571.4973342.070310e-06
2.193211.4971742.146793e-06
2.20391.4970142.223650e-06
2.214641.4968512.300880e-06
2.225441.4966872.378487e-06
2.236291.4965222.456473e-06
2.247191.4963552.534839e-06
2.258141.4961872.613586e-06
2.269151.4960172.692718e-06
2.280211.4958452.772235e-06
2.291331.4956722.852140e-06
2.30251.4954972.932435e-06
2.313721.4953213.013121e-06
2.3251.4951433.094200e-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
—