Optical constants

Refractive index of MC-TAFD307 (HOYA)

MC-TAFD307: n,k 0.365–1.014 µm

Data
formula 3 + tabulated k
Range
0.365–1.014 µm
Temperature
293 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.365–1.014 µm
Refractive index n
1.88202
Extinction coefficient k
2.92327e-08
Permittivity ε1
3.54199
Permittivity ε2
1.10033e-07
Absorption coefficient α
0.00625169 cm⁻¹
Penetration depth δ = λ/(2πk)
3.19914e+09 nm
Abbe number Vd
37.221
Chromatic dispersion dn/dλ
-0.120486 µm⁻¹
Group index ng
1.95282
Group velocity dispersion
231.989 fs²/mm
Dispersion parameter D
-1265.62 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

# MC-TAFD307 (HOYA): MC-TAFD307
hoya_mc_tafd307 = ls.fetch_refractiveindex("specs", "HOYA-optical", "MC-TAFD307", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hoya_mc_tafd307.range_nm)  # (365.01, 1013.98) nm
eps = hoya_mc_tafd307.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

Polynomial (formula 3), λ in µm
n2=3.4286062−0.013845333⁢λ2.0+0.037363009⁢λ−2.0+0.0011894554⁢λ−4.0−1.5979979×10-5⁢λ−6.0+5.1827398×10-6⁢λ−8.0

Valid from 0.36501 to 1.01398 µm.

Coefficients as stored
CiValue
C13.4286062
C2-0.013845333
C32.0
C40.037363009
C5-2.0
C60.0011894554
C7-4.0
C8-1.5979979e-05
C9-6.0
C105.1827398e-06
C11-8.0

Comments and conditions

Preforms for Precision molding

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: 7.80622e-06 0.0 0.0 0.0 0.0 0.0
nd
1.88202
Vd
37.22
glass code
882372
glass status
standard
density
value: 5490
thermal expansion
value: 6.7e-06, temperature range: 243 343; value: 7.3e-06, temperature range: 293 573
dPgF
-0.0044
resistance
acid: 3.0; stain: 2.0; climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 5.25e-06 K⁻¹ at 633 nm

References

Cite

HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com); Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

Computed on 421 wavelengths, the same grid as the API and the library
MC-TAFD307 (HOYA), MC-TAFD307: n and k versus wavelength
λ (µm)nk
0.365011.9452242.768858e-06
0.3659461.9446182.558997e-06
0.3668841.9440182.348599e-06
0.3678251.9434222.137661e-06
0.3687681.9428311.926182e-06
0.3697131.9422441.714161e-06
0.371.9420671.649900e-06
0.3706611.9416621.598583e-06
0.3716121.9410851.524842e-06
0.3725651.9405121.450911e-06
0.373521.9399431.376791e-06
0.3744771.9393791.302481e-06
0.3754381.9388191.227980e-06
0.37641.9382641.153288e-06
0.3773651.9377131.078405e-06
0.3783331.9371661.003329e-06
0.3793031.9366239.280617e-07
0.381.9362368.739700e-07
0.3802751.9360848.640936e-07
0.381251.935558.291277e-07
0.3822281.9350197.940721e-07
0.3832081.9344937.589266e-07
0.384191.933977.236910e-07
0.3851761.9334526.883651e-07
0.3861631.9329376.529486e-07
0.3871531.9324266.174413e-07
0.3881461.9319195.818429e-07
0.3891411.9314165.461533e-07
0.391.9309865.153500e-07
0.3901391.9309165.129501e-07
0.3911391.9304214.956548e-07
0.3921421.9299284.783152e-07
0.3931471.929444.609312e-07
0.3941551.9289554.435026e-07
0.3951661.9284734.260293e-07
0.3961791.9279954.085112e-07
0.3971951.9275213.909481e-07
0.3982131.927053.733401e-07
0.3992341.9265823.556869e-07
0.41.9262353.424500e-07
0.4002581.9261183.404255e-07
0.4012841.9256573.323741e-07
0.4023131.92523.243020e-07
0.4033451.9247453.162092e-07
0.4043791.9242943.080957e-07
0.4054161.9238462.999614e-07
0.4064551.9234022.918062e-07
0.4074971.922962.836301e-07
0.4085421.9225222.754331e-07
0.409591.9220862.672150e-07
0.410641.9216542.589759e-07
0.4116931.9212252.507156e-07
0.4127481.9207992.424341e-07
0.4138061.9203762.341315e-07
0.4148671.9199552.258075e-07
0.4159311.9195382.174622e-07
0.4169981.9191242.090955e-07
0.4180671.9187122.007073e-07
0.4191391.9183031.922976e-07
0.421.9179781.855400e-07
0.4202131.9178981.848916e-07
0.4212911.9174941.816168e-07
0.4223711.9170941.783336e-07
0.4234541.9166971.750420e-07
0.424541.9163021.717420e-07
0.4256281.915911.684335e-07
0.4267191.915521.651165e-07
0.4278131.9151331.617910e-07
0.428911.9147491.584569e-07
0.430011.9143671.551144e-07
0.4311131.9139881.517632e-07
0.4322181.9136121.484035e-07
0.4333261.9132381.450351e-07
0.4344371.9128661.416581e-07
0.4355511.9124971.382725e-07
0.4366681.9121311.348782e-07
0.4377871.9117671.314751e-07
0.438911.9114051.280634e-07
0.441.9110571.247500e-07
0.4400351.9110461.246935e-07
0.4411631.9106891.228842e-07
0.4422951.9103341.210702e-07
0.4434291.9099821.192517e-07
0.4445661.9096321.174284e-07
0.4457051.9092851.156005e-07
0.4468481.9089391.137679e-07
0.4479941.9085961.119306e-07
0.4491431.9082551.100886e-07
0.4502941.9079171.082418e-07
0.4514491.907581.063903e-07
0.4526061.9072461.045341e-07
0.4537671.9069141.026731e-07
0.454931.9065841.008074e-07
0.4560971.9062579.893683e-08
0.4572661.9059319.706150e-08
0.4584381.9056079.518135e-08
0.4596141.9052869.329639e-08
0.461.9051819.267700e-08
0.4607921.9049669.190841e-08
0.4619741.9046499.076216e-08
0.4631581.9043348.961297e-08
0.4643461.904028.846084e-08
0.4655361.9037098.730575e-08
0.466731.90348.614770e-08
0.4679271.9030928.498668e-08
0.4691261.9027878.382269e-08
0.4703291.9024838.265571e-08
0.4715351.9021828.148573e-08
0.4727441.9018828.031276e-08
0.4739561.9015847.913678e-08
0.4751711.9012887.795779e-08
0.476391.9009947.677577e-08
0.4776111.9007027.559072e-08
0.4788361.9004117.440263e-08
0.481.9001377.327300e-08
0.4800631.9001227.321857e-08
0.4812941.8998367.216156e-08
0.4825281.899557.110184e-08
0.4837651.8992677.003941e-08
0.4850061.8989866.897425e-08
0.4862491.8987066.790636e-08
0.4874961.8984286.683573e-08
0.4887461.8981516.576236e-08
0.4899991.8978766.468624e-08
0.4912551.8976036.360735e-08
0.4925151.8973326.252570e-08
0.4937781.8970626.144128e-08
0.4950441.8967946.035408e-08
0.4963131.8965285.926409e-08
0.4975861.8962635.817130e-08
0.4988611.8965.707571e-08
0.51.8957675.609800e-08
0.5001411.8957385.602674e-08
0.5014231.8954785.537652e-08
0.5027091.895225.472462e-08
0.5039971.8949635.407106e-08
0.505291.8947085.341582e-08
0.5065851.8944545.275890e-08
0.5078841.8942015.210030e-08
0.5091861.8939515.144000e-08
0.5104921.8937015.077802e-08
0.5118011.8934545.011433e-08
0.5131131.8932074.944895e-08
0.5144291.8929634.878186e-08
0.5157481.8927194.811306e-08
0.517071.8924774.744254e-08
0.5183961.8922374.677031e-08
0.5197251.8919984.609635e-08
0.5210571.891764.542066e-08
0.5223931.8915244.474324e-08
0.5237331.8912894.406409e-08
0.5250761.8910554.338319e-08
0.5264221.8908234.270055e-08
0.5277721.8905924.201615e-08
0.5291251.8903634.133001e-08
0.5304811.8901354.064210e-08
0.5318421.8899083.995243e-08
0.5332051.8896833.926099e-08
0.5345721.8894593.856778e-08
0.5359431.8892363.787279e-08
0.5373171.8890143.717602e-08
0.5386951.8887943.647746e-08
0.5400761.8885753.577711e-08
0.5414611.8883573.507496e-08
0.5428491.8881413.437102e-08
0.5442411.8879263.366527e-08
0.5456361.8877123.295771e-08
0.5470351.8874993.224834e-08
0.5484381.8872873.153714e-08
0.5498441.8870773.082413e-08
0.551.8870543.074500e-08
0.5512541.8868683.069457e-08
0.5526671.886663.063773e-08
0.5540841.8864533.058074e-08
0.5555051.8862483.052360e-08
0.5569291.8860433.046631e-08
0.5583571.885843.040888e-08
0.5597891.8856383.035130e-08
0.5612241.8854373.029357e-08
0.5626631.8852373.023570e-08
0.5641061.8850393.017768e-08
0.5655521.8848413.011950e-08
0.5670021.8846453.006118e-08
0.5684561.8844493.000271e-08
0.5699131.8842552.994409e-08
0.5713741.8840622.988532e-08
0.5728391.883872.982640e-08
0.5743081.8836792.976732e-08
0.5757811.8834892.970810e-08
0.5772571.88332.964872e-08
0.5787371.8831122.958920e-08
0.5802211.8829252.952951e-08
0.5817091.8827392.946968e-08
0.58321.8825552.940969e-08
0.5846951.8823712.934955e-08
0.5861951.8821882.928926e-08
0.5876971.8820062.922881e-08
0.5892041.8818262.916820e-08
0.5907151.8816462.910744e-08
0.592231.8814672.904653e-08
0.5937481.8812892.898545e-08
0.595271.8811132.892422e-08
0.5967971.8809372.886284e-08
0.5983271.8807622.880129e-08
0.5998611.8805882.873959e-08
0.61.8805722.873400e-08
0.6013991.8804152.880101e-08
0.6029411.8802432.887487e-08
0.6044871.8800722.894892e-08
0.6060371.8799022.902316e-08
0.6075911.8797322.909759e-08
0.6091481.8795642.917221e-08
0.610711.8793962.924702e-08
0.6122761.879232.932203e-08
0.6138461.8790642.939722e-08
0.615421.8788992.947261e-08
0.6169981.8787352.954819e-08
0.618581.8785722.962397e-08
0.6201661.878412.969994e-08
0.6217561.8782492.977610e-08
0.623351.8780882.985246e-08
0.6249481.8779292.992902e-08
0.6265511.877773.000577e-08
0.6281571.8776123.008272e-08
0.6297681.8774553.015987e-08
0.6313821.8772993.023721e-08
0.6330011.8771433.031476e-08
0.6346241.8769883.039250e-08
0.6362511.8768353.047044e-08
0.6378831.8766823.054858e-08
0.6395181.8765293.062692e-08
0.6411581.8763783.070546e-08
0.6428021.8762273.078420e-08
0.644451.8760773.086315e-08
0.6461021.8759283.094230e-08
0.6477591.875783.102165e-08
0.649421.8756323.110120e-08
0.651.8755813.112900e-08
0.6510851.8754853.105943e-08
0.6527541.8753393.095235e-08
0.6544281.8751943.084501e-08
0.6561061.8750493.073738e-08
0.6577881.8749063.062948e-08
0.6594741.8747633.052131e-08
0.6611651.874623.041286e-08
0.6628611.8744783.030413e-08
0.664561.8743383.019512e-08
0.6662641.8741973.008583e-08
0.6679721.8740582.997626e-08
0.6696851.8739192.986641e-08
0.6714021.8737812.975628e-08
0.6731231.8736432.964586e-08
0.6748491.8735072.953517e-08
0.676581.8733712.942419e-08
0.6783141.8732352.931292e-08
0.6800531.8731012.920137e-08
0.6817971.8729672.908953e-08
0.6835451.8728332.897741e-08
0.6852981.87272.886500e-08
0.6870551.8725682.875230e-08
0.6888161.8724372.863931e-08
0.6905831.8723062.852603e-08
0.6923531.8721762.841246e-08
0.6941281.8720472.829861e-08
0.6959081.8719182.818445e-08
0.6976921.871792.807001e-08
0.6994811.8716622.795527e-08
0.71.8716252.792200e-08
0.7012751.8715352.782000e-08
0.7030731.8714092.767612e-08
0.7048751.8712832.753187e-08
0.7066831.8711582.738725e-08
0.7084951.8710332.724226e-08
0.7103111.8709092.709690e-08
0.7121321.8707862.695117e-08
0.7139581.8706632.680506e-08
0.7157891.8705412.665858e-08
0.7176241.870422.651172e-08
0.7194641.8702992.636449e-08
0.7213091.8701782.621688e-08
0.7231581.8700582.606889e-08
0.7250121.8699392.592052e-08
0.7268711.869822.577177e-08
0.7287351.8697022.562264e-08
0.7306031.8695842.547312e-08
0.7324771.8694672.532323e-08
0.7343551.8693512.517294e-08
0.7362371.8692352.502228e-08
0.7381251.8691192.487123e-08
0.7400181.8690052.471978e-08
0.7419151.868892.456796e-08
0.7438171.8687762.441574e-08
0.7457241.8686632.426313e-08
0.7476361.868552.411013e-08
0.7495531.8684382.395674e-08
0.751.8684122.392100e-08
0.7514751.8683262.396806e-08
0.7534021.8682152.402952e-08
0.7553341.8681042.409114e-08
0.757271.8679942.415292e-08
0.7592121.8678842.421486e-08
0.7611591.8677752.427696e-08
0.763111.8676662.433921e-08
0.7650671.8675582.440163e-08
0.7670281.867452.446420e-08
0.7689951.8673422.452694e-08
0.7709671.8672352.458983e-08
0.7729431.8671292.465289e-08
0.7749251.8670232.471611e-08
0.7769121.8669182.477949e-08
0.7789041.8668132.484304e-08
0.781.8667552.487800e-08
0.7809011.8667082.490674e-08
0.7829031.8666042.497061e-08
0.7849111.86652.503465e-08
0.7869231.8663972.509885e-08
0.7889411.8662942.516321e-08
0.7909641.8661922.522774e-08
0.7929921.866092.529243e-08
0.7950251.8659892.535729e-08
0.7970631.8658882.542232e-08
0.7991071.8657872.548751e-08
0.81.8657432.551600e-08
0.8011561.8656872.504242e-08
0.803211.8655872.420070e-08
0.8052691.8654882.335683e-08
0.8073341.8653892.251079e-08
0.8094041.8652912.166258e-08
0.8114791.8651932.081220e-08
0.813561.8650951.995964e-08
0.8156461.8649981.910489e-08
0.8177371.8649011.824795e-08
0.8198341.8648041.738881e-08
0.8219361.8647081.652747e-08
0.8240431.8646131.566392e-08
0.8261561.8645171.479816e-08
0.8282741.8644221.393017e-08
0.831.8643461.322300e-08
0.8303981.8643281.322935e-08
0.8325271.8642341.326331e-08
0.8346621.864141.329735e-08
0.8368021.8640471.333149e-08
0.8389471.8639541.336571e-08
0.8410981.8638611.340002e-08
0.8432551.8637691.343441e-08
0.8454171.8636771.346890e-08
0.8475841.8635851.350347e-08
0.8497581.8634941.353813e-08
0.851.8634841.354200e-08
0.8519361.8634031.385089e-08
0.8541211.8633131.419933e-08
0.8563111.8632221.454867e-08
0.8585061.8631331.489890e-08
0.8607071.8630431.525004e-08
0.8629141.8629541.560207e-08
0.8651271.8628651.595501e-08
0.8673451.8627771.630885e-08
0.8695691.8626891.666359e-08
0.8717981.8626011.701925e-08
0.8740331.8625131.737582e-08
0.8762741.8624261.773330e-08
0.8785211.8623391.809170e-08
0.8807741.8622531.845102e-08
0.8830321.8621661.881126e-08
0.8852961.8620811.917243e-08
0.8875661.8619951.953451e-08
0.8898421.861911.989753e-08
0.8921231.8618252.026148e-08
0.8944111.861742.062636e-08
0.8967041.8616562.099218e-08
0.8990031.8615722.135894e-08
0.91.8615352.151800e-08
0.9013081.8614882.154928e-08
0.9036191.8614042.160456e-08
0.9059361.8613212.165998e-08
0.9082581.8612382.171554e-08
0.9105871.8611562.177125e-08
0.9129221.8610732.182709e-08
0.9152631.8609912.188308e-08
0.9176091.8609092.193921e-08
0.9199621.8608282.199549e-08
0.9223211.8607462.205191e-08
0.9246861.8606662.210848e-08
0.9270561.8605852.216519e-08
0.9294331.8605042.222205e-08
0.9318161.8604242.227905e-08
0.9342061.8603442.233620e-08
0.9366011.8602652.239349e-08
0.9390021.8601852.245093e-08
0.941411.8601062.250852e-08
0.9438241.8600272.256626e-08
0.9462441.8599482.262414e-08
0.948671.859872.268218e-08
0.951.8598272.271400e-08
0.9511021.8597922.274034e-08
0.9535411.8597142.279862e-08
0.9559851.8596362.285705e-08
0.9584371.8595592.291563e-08
0.9608941.8594812.297437e-08
0.9633581.8594042.303325e-08
0.9658281.8593272.309228e-08
0.9683041.8592512.315147e-08
0.9707871.8591752.321080e-08
0.9732761.8590982.327029e-08
0.9757711.8590232.332993e-08
0.9782731.8589472.338973e-08
0.9807811.8588712.344967e-08
0.9832961.8587962.350978e-08
0.9858171.8587212.357003e-08
0.9883451.8586462.363044e-08
0.9908791.8585722.369100e-08
0.9934191.8584972.375172e-08
0.9959671.8584232.381260e-08
0.998521.8583492.387363e-08
11.8583062.390900e-08
1.001081.8582752.393484e-08
1.003651.8582022.399624e-08
1.006221.8581282.405779e-08
1.00881.8580552.411950e-08
1.011391.8579822.418137e-08
1.013981.8579092.424340e-08

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
—