Optical constants

Refractive index of MP-TAC80-60 (HOYA)

MP-TAC80-60: 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
1.72963
Extinction coefficient k
4.67830e-09
Permittivity ε1
2.99162
Permittivity ε2
1.61835e-08
Absorption coefficient α
0.0010005 cm⁻¹
Penetration depth δ = λ/(2πk)
1.99901e+10 nm
Abbe number Vd
54.071
Chromatic dispersion dn/dλ
-0.0696397 µm⁻¹
Group index ng
1.77055
Group velocity dispersion
122.934 fs²/mm
Dispersion parameter D
-670.672 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

# MP-TAC80-60 (HOYA): MP-TAC80-60
hoya_mp_tac80_60 = ls.fetch_refractiveindex("specs", "HOYA-optical", "MP-TAC80-60", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(hoya_mp_tac80_60.range_nm)  # (365.01, 1013.98) nm
eps = hoya_mp_tac80_60.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=2.9372128−0.016185789⁢λ2.0+0.01839514⁢λ−2.0+0.0010266071⁢λ−4.0−9.2379872×10-5⁢λ−6.0+5.0509237×10-6⁢λ−8.0

Valid from 0.36501 to 1.01398 µm.

Coefficients as stored
CiValue
C12.9372128
C2-0.016185789
C32.0
C40.01839514
C5-2.0
C60.0010266071
C7-4.0
C8-9.2379872e-05
C9-6.0
C105.0509237e-06
C11-8.0

Comments and conditions

Preforms for Precision molding

Conditions

temperature
293 K

Properties

thermal dispersion
type: formula A, coefficients: 4.67223e-06 0.0 0.0 0.0 0.0 0.0
nd
1.72963
Vd
54.07
glass code
730541
glass status
standard
density
value: 4280
thermal expansion
value: 6.1e-06, temperature range: 243 343; value: 7.4e-06, temperature range: 293 573
dPgF
-0.0064
resistance
acid: 4.0; stain: 2.0; climatic: 1.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 293.0 K): dn/dT = 2.68e-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
MP-TAC80-60 (HOYA), MP-TAC80-60: n and k versus wavelength
λ (µm)nk
0.365011.7629313.319232e-07
0.3659461.7626383.163166e-07
0.3668841.7623463.006700e-07
0.3678251.7620562.849832e-07
0.3687681.7617692.692562e-07
0.3697131.7614832.534889e-07
0.371.7613962.487100e-07
0.3706611.7611992.425197e-07
0.3716121.7609162.336243e-07
0.3725651.7606362.247061e-07
0.373521.7603572.157650e-07
0.3744771.7600812.068010e-07
0.3754381.7598061.978140e-07
0.37641.7595331.888040e-07
0.3773651.7592611.797708e-07
0.3783331.7589911.707146e-07
0.3793031.7587231.616350e-07
0.381.7585321.551100e-07
0.3802751.7584571.536182e-07
0.381251.7581931.483365e-07
0.3822281.757931.430413e-07
0.3832081.7576681.377326e-07
0.384191.7574091.324102e-07
0.3851761.7571511.270741e-07
0.3861631.7568941.217244e-07
0.3871531.7566391.163610e-07
0.3881461.7563861.109838e-07
0.3891411.7561341.055929e-07
0.391.7559191.009400e-07
0.3901391.7558841.004766e-07
0.3911391.7556369.713732e-08
0.3921421.7553899.378944e-08
0.3931471.7551439.043298e-08
0.3941551.7548998.706792e-08
0.3951661.7546568.369423e-08
0.3961791.7544158.031189e-08
0.3971951.7541767.692087e-08
0.3982131.7539377.352116e-08
0.3992341.7537017.011274e-08
0.41.7535246.755700e-08
0.4002581.7534656.716234e-08
0.4012841.7532316.559274e-08
0.4023131.7529996.401912e-08
0.4033451.7527686.244147e-08
0.4043791.7525386.085977e-08
0.4054161.7523095.927401e-08
0.4064551.7520825.768419e-08
0.4074971.7518575.609029e-08
0.4085421.7516325.449231e-08
0.409591.7514095.289023e-08
0.410641.7511875.128404e-08
0.4116931.7509674.967373e-08
0.4127481.7507484.805929e-08
0.4138061.750534.644072e-08
0.4148671.7503134.481799e-08
0.4159311.7500984.319111e-08
0.4169981.7498844.156005e-08
0.4180671.7496713.992481e-08
0.4191391.7494593.828538e-08
0.421.749293.696800e-08
0.4202131.7492493.687367e-08
0.4212911.749043.639724e-08
0.4223711.7488323.591959e-08
0.4234541.7486253.544071e-08
0.424541.7484193.496060e-08
0.4256281.7482153.447926e-08
0.4267191.7480113.399669e-08
0.4278131.7478093.351288e-08
0.428911.7476083.302783e-08
0.430011.7474083.254154e-08
0.4311131.747213.205400e-08
0.4322181.7470123.156521e-08
0.4333261.7468163.107517e-08
0.4344371.746623.058387e-08
0.4355511.7464263.009131e-08
0.4366681.7462332.959749e-08
0.4377871.7460412.910240e-08
0.438911.745852.860604e-08
0.441.7456662.812400e-08
0.4400351.745662.810677e-08
0.4411631.7454712.755535e-08
0.4422951.7452842.700251e-08
0.4434291.7450972.644825e-08
0.4445661.7449112.589257e-08
0.4457051.7447262.533547e-08
0.4468481.7445432.477694e-08
0.4479941.744362.421698e-08
0.4491431.7441792.365558e-08
0.4502941.7439982.309274e-08
0.4514491.7438182.252846e-08
0.4526061.743642.196273e-08
0.4537671.7434622.139555e-08
0.454931.7432862.082692e-08
0.4560971.743112.025683e-08
0.4572661.7429351.968528e-08
0.4584381.7427621.911226e-08
0.4596141.7425891.853777e-08
0.461.7425321.834900e-08
0.4607921.7424171.807676e-08
0.4619741.7422461.767075e-08
0.4631581.7420761.726371e-08
0.4643461.7419071.685561e-08
0.4655361.7417391.644648e-08
0.466731.7415721.603629e-08
0.4679271.7414051.562505e-08
0.4691261.741241.521276e-08
0.4703291.7410761.479940e-08
0.4715351.7409121.438499e-08
0.4727441.7407491.396952e-08
0.4739561.7405871.355298e-08
0.4751711.7404271.313538e-08
0.476391.7402661.271670e-08
0.4776111.7401071.229695e-08
0.4788361.7399491.187612e-08
0.481.7397991.147600e-08
0.4800631.7397911.145225e-08
0.4812941.7396351.099097e-08
0.4825281.7394791.052852e-08
0.4837651.7393241.006487e-08
0.4850061.739179.600043e-09
0.4862491.7390169.134021e-09
0.4874961.7388648.666803e-09
0.4887461.7387128.198388e-09
0.4899991.7385617.728772e-09
0.4912551.7384117.257951e-09
0.4925151.7382626.785924e-09
0.4937781.7381136.312686e-09
0.4950441.7379665.838235e-09
0.4963131.7378195.362567e-09
0.4975861.7376734.885680e-09
0.4988611.7375274.407570e-09
0.51.7373983.980900e-09
0.5001411.7373833.982019e-09
0.5014231.7372393.992229e-09
0.5027091.7370964.002465e-09
0.5039971.7369534.012728e-09
0.505291.7368124.023016e-09
0.5065851.7366714.033332e-09
0.5078841.7365314.043673e-09
0.5091861.7363914.054041e-09
0.5104921.7362534.064436e-09
0.5118011.7361154.074857e-09
0.5131131.7359784.085305e-09
0.5144291.7358414.095780e-09
0.5157481.7357054.106282e-09
0.517071.735574.116810e-09
0.5183961.7354364.127366e-09
0.5197251.7353024.137949e-09
0.5210571.7351694.148559e-09
0.5223931.7350374.159196e-09
0.5237331.7349054.169860e-09
0.5250761.7347754.180552e-09
0.5264221.7346444.191271e-09
0.5277721.7345154.202017e-09
0.5291251.7343864.212791e-09
0.5304811.7342584.223593e-09
0.5318421.734134.234422e-09
0.5332051.7340034.245280e-09
0.5345721.7338774.256165e-09
0.5359431.7337514.267077e-09
0.5373171.7336264.278018e-09
0.5386951.7335024.288987e-09
0.5400761.7333784.299984e-09
0.5414611.7332554.311010e-09
0.5428491.7331324.322063e-09
0.5442411.7330114.333145e-09
0.5456361.7328894.344255e-09
0.5470351.7327694.355394e-09
0.5484381.7326494.366562e-09
0.5498441.7325294.377758e-09
0.551.7325164.379000e-09
0.5512541.732414.388980e-09
0.5526671.7322924.400230e-09
0.5540841.7321754.411510e-09
0.5555051.7320584.422818e-09
0.5569291.7319414.434156e-09
0.5583571.7318254.445522e-09
0.5597891.731714.456918e-09
0.5612241.7315954.468343e-09
0.5626631.7314814.479797e-09
0.5641061.7313674.491280e-09
0.5655521.7312544.502793e-09
0.5670021.7311424.514336e-09
0.5684561.731034.525908e-09
0.5699131.7309194.537509e-09
0.5713741.7308084.549141e-09
0.5728391.7306984.560802e-09
0.5743081.7305884.572493e-09
0.5757811.7304794.584214e-09
0.5772571.730374.595966e-09
0.5787371.7302624.607747e-09
0.5802211.7301544.619558e-09
0.5817091.7300474.631400e-09
0.58321.7299414.643272e-09
0.5846951.7298354.655175e-09
0.5861951.7297294.667108e-09
0.5876971.7296244.679072e-09
0.5892041.729524.691066e-09
0.5907151.7294164.703092e-09
0.592231.7293124.715148e-09
0.5937481.7292094.727235e-09
0.595271.7291074.739352e-09
0.5967971.7290054.751501e-09
0.5983271.7289034.763682e-09
0.5998611.7288024.775893e-09
0.61.7287934.777000e-09
0.6013991.7287024.788138e-09
0.6029411.7286024.800416e-09
0.6044871.7285024.812724e-09
0.6060371.7284034.825064e-09
0.6075911.7283044.837436e-09
0.6091481.7282064.849840e-09
0.610711.7281084.862275e-09
0.6122761.7280114.874742e-09
0.6138461.7279144.887241e-09
0.615421.7278184.899773e-09
0.6169981.7277224.912336e-09
0.618581.7276264.924932e-09
0.6201661.7275314.937560e-09
0.6217561.7274364.950220e-09
0.623351.7273424.962913e-09
0.6249481.7272484.975638e-09
0.6265511.7271554.988396e-09
0.6281571.7270625.001186e-09
0.6297681.726975.014010e-09
0.6313821.7268785.026866e-09
0.6330011.7267865.039755e-09
0.6346241.7266955.052677e-09
0.6362511.7266045.065633e-09
0.6378831.7265145.078621e-09
0.6395181.7264245.091643e-09
0.6411581.7263345.104699e-09
0.6428021.7262455.117788e-09
0.644451.7261565.130910e-09
0.6461021.7260685.144066e-09
0.6477591.725985.157256e-09
0.649421.7258925.170479e-09
0.651.7258615.175100e-09
0.6510851.7258055.183737e-09
0.6527541.7257185.197028e-09
0.6544281.7256315.210354e-09
0.6561061.7255455.223713e-09
0.6577881.725465.237107e-09
0.6594741.7253745.250535e-09
0.6611651.7252895.263998e-09
0.6628611.7252055.277495e-09
0.664561.725125.291027e-09
0.6662641.7250365.304594e-09
0.6679721.7249535.318195e-09
0.6696851.724875.331831e-09
0.6714021.7247875.345502e-09
0.6731231.7247045.359209e-09
0.6748491.7246225.372950e-09
0.676581.724545.386727e-09
0.6783141.7244595.400539e-09
0.6800531.7243785.414386e-09
0.6817971.7242975.428269e-09
0.6835451.7242175.442187e-09
0.6852981.7241375.456141e-09
0.6870551.7240575.470131e-09
0.6888161.7239775.484157e-09
0.6905831.7238985.498219e-09
0.6923531.723825.512316e-09
0.6941281.7237415.526450e-09
0.6959081.7236635.540620e-09
0.6976921.7235855.554827e-09
0.6994811.7235085.569070e-09
0.71.7234855.573200e-09
0.7012751.723435.735745e-09
0.7030731.7233535.965024e-09
0.7048751.7232776.194892e-09
0.7066831.72326.425348e-09
0.7084951.7231246.656396e-09
0.7103111.7230496.888036e-09
0.7121321.7229737.120270e-09
0.7139581.7228987.353100e-09
0.7157891.7228237.586526e-09
0.7176241.7227497.820551e-09
0.7194641.7226758.055176e-09
0.7213091.7226018.290402e-09
0.7231581.7225278.526232e-09
0.7250121.7224538.762666e-09
0.7268711.722388.999707e-09
0.7287351.7223079.237355e-09
0.7306031.7222359.475612e-09
0.7324771.7221639.714481e-09
0.7343551.722099.953962e-09
0.7362371.7220191.019406e-08
0.7381251.7219471.043477e-08
0.7400181.7218761.067610e-08
0.7419151.7218051.091804e-08
0.7438171.7217341.116061e-08
0.7457241.7216641.140380e-08
0.7476361.7215931.164761e-08
0.7495531.7215231.189205e-08
0.751.7215071.194900e-08
0.7514751.7214541.166680e-08
0.7534021.7213841.129822e-08
0.7553341.7213151.092869e-08
0.757271.7212461.055822e-08
0.7592121.7211771.018679e-08
0.7611591.7211089.814414e-09
0.763111.721049.441082e-09
0.7650671.7209729.066793e-09
0.7670281.7209048.691544e-09
0.7689951.7208378.315334e-09
0.7709671.7207697.938158e-09
0.7729431.7207027.560016e-09
0.7749251.7206357.180904e-09
0.7769121.7205686.800820e-09
0.7789041.7205026.419761e-09
0.781.7204656.210100e-09
0.7809011.7204356.504525e-09
0.7829031.7203697.158735e-09
0.7849111.7203037.814623e-09
0.7869231.7202388.472193e-09
0.7889411.7201729.131448e-09
0.7909641.7201079.792394e-09
0.7929921.7200421.045503e-08
0.7950251.7199771.111937e-08
0.7970631.7199121.178542e-08
0.7991071.7198481.245317e-08
0.81.719821.274500e-08
0.8011561.7197841.327386e-08
0.803211.719721.421384e-08
0.8052691.7196561.515622e-08
0.8073341.7195921.610102e-08
0.8094041.7195281.704824e-08
0.8114791.7194651.799789e-08
0.813561.7194021.894998e-08
0.8156461.7193391.990450e-08
0.8177371.7192762.086148e-08
0.8198341.7192142.182090e-08
0.8219361.7191512.278279e-08
0.8240431.7190892.374715e-08
0.8261561.7190272.471397e-08
0.8282741.7189652.568328e-08
0.831.7189152.647300e-08
0.8303981.7189032.648569e-08
0.8325271.7188422.655361e-08
0.8346621.718782.662170e-08
0.8368021.7187192.668997e-08
0.8389471.7186582.675841e-08
0.8410981.7185972.682703e-08
0.8432551.7185362.689583e-08
0.8454171.7184752.696480e-08
0.8475841.7184152.703394e-08
0.8497581.7183552.710327e-08
0.851.7183482.711100e-08
0.8519361.7182942.689440e-08
0.8541211.7182342.665006e-08
0.8563111.7181742.640509e-08
0.8585061.7181152.615950e-08
0.8607071.7180552.591328e-08
0.8629141.7179962.566642e-08
0.8651271.7179362.541893e-08
0.8673451.7178772.517081e-08
0.8695691.7178182.492205e-08
0.8717981.7177592.467265e-08
0.8740331.71772.442262e-08
0.8762741.7176422.417194e-08
0.8785211.7175832.392062e-08
0.8807741.7175252.366865e-08
0.8830321.7174662.341604e-08
0.8852961.7174082.316278e-08
0.8875661.717352.290888e-08
0.8898421.7172922.265432e-08
0.8921231.7172342.239911e-08
0.8944111.7171772.214324e-08
0.8967041.7171192.188672e-08
0.8990031.7170622.162954e-08
0.91.7170372.151800e-08
0.9013081.7170042.154928e-08
0.9036191.7169472.160456e-08
0.9059361.716892.165998e-08
0.9082581.7168332.171554e-08
0.9105871.7167762.177125e-08
0.9129221.7167192.182709e-08
0.9152631.7166622.188308e-08
0.9176091.7166052.193921e-08
0.9199621.7165492.199549e-08
0.9223211.7164922.205191e-08
0.9246861.7164362.210848e-08
0.9270561.716382.216519e-08
0.9294331.7163242.222205e-08
0.9318161.7162672.227905e-08
0.9342061.7162112.233620e-08
0.9366011.7161562.239349e-08
0.9390021.71612.245093e-08
0.941411.7160442.250852e-08
0.9438241.7159882.256626e-08
0.9462441.7159332.262414e-08
0.948671.7158772.268218e-08
0.951.7158472.271400e-08
0.9511021.7158222.274034e-08
0.9535411.7157662.279862e-08
0.9559851.7157112.285705e-08
0.9584371.7156562.291563e-08
0.9608941.71562.297437e-08
0.9633581.7155452.303325e-08
0.9658281.715492.309228e-08
0.9683041.7154352.315147e-08
0.9707871.715382.321080e-08
0.9732761.7153252.327029e-08
0.9757711.7152712.332993e-08
0.9782731.7152162.338973e-08
0.9807811.7151612.344967e-08
0.9832961.7151072.350978e-08
0.9858171.7150522.357003e-08
0.9883451.7149972.363044e-08
0.9908791.7149432.369100e-08
0.9934191.7148882.375172e-08
0.9959671.7148342.381260e-08
0.998521.714782.387363e-08
11.7147482.390900e-08
1.001081.7147252.375384e-08
1.003651.7146712.338521e-08
1.006221.7146172.301563e-08
1.00881.7145632.264510e-08
1.011391.7145082.227362e-08
1.013981.7144542.190119e-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
—