Optical constants

Refractive index of S-LAH53V (OHARA)

S-LAH53V: n,k 0.365–2.325 µm

Data
formula 2 + tabulated k
Range
0.365–2.325 µm
Temperature
298 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
1.8061
Extinction coefficient k
9.36134e-09
Permittivity ε1
3.26198
Permittivity ε2
3.38150e-08
Absorption coefficient α
0.00200201 cm⁻¹
Penetration depth δ = λ/(2πk)
9.98996e+09 nm
Abbe number Vd
40.93
Chromatic dispersion dn/dλ
-0.100412 µm⁻¹
Group index ng
1.8651
Group velocity dispersion
190.039 fs²/mm
Dispersion parameter D
-1036.76 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

# S-LAH53V (OHARA): S-LAH53V
ohara_s_lah53v = ls.fetch_refractiveindex("specs", "OHARA-optical", "S-LAH53V", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ohara_s_lah53v.range_nm)  # (365.015, 2325.42) nm
eps = ohara_s_lah53v.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=1.96600955λ2λ2−0.0107817785+0.205143305λ2λ2−0.0463727869+1.23200934λ2λ2−97.69406

Valid from 0.365015 to 2.32542 µm.

Coefficients as stored
CiValue
C10.0
C21.96600955
C30.0107817785
C40.205143305
C50.0463727869
C61.23200934
C797.69406

Comments and conditions

Recommended

Conditions

temperature
298 K

Properties

thermal dispersion
type: formula A, coefficients: 9.36e-06 1.13e-08 -1.33e-11 8.08e-07 8.51e-10 0.236
nd
1.806099
Vd
40.929791
density
value: 4410
thermal expansion
value: 5.8e-06, temperature range: 243 343
dPgF
-0.0039
resistance
acid: 51.2; climatic: 1.0; phosphate: 2.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 298.0 K): dn/dT = 7.30e-06 K⁻¹ at 633 nm, dn/dT = 6.00e-06 K⁻¹ at 1310 nm, dn/dT = 5.88e-06 K⁻¹ at 1550 nm

References

Cite

OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp); See also OHARA 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 422 wavelengths, the same grid as the API and the library
S-LAH53V (OHARA), S-LAH53V: n and k versus wavelength
λ (µm)nk
0.3650151.857981.194936e-06
0.3667131.8570921.037106e-06
0.3684191.8562178.785421e-07
0.371.855427.315600e-07
0.3701331.8553547.269876e-07
0.3718541.8545026.675877e-07
0.3735841.8536636.079114e-07
0.3753221.8528355.479575e-07
0.3770681.8520184.877247e-07
0.3788221.8512124.272117e-07
0.381.8506793.865600e-07
0.3805841.8504173.769458e-07
0.3823541.8496333.477934e-07
0.3841331.848863.185053e-07
0.385921.8480962.890810e-07
0.3877151.8473432.595199e-07
0.3895181.8465992.298212e-07
0.391.8464032.218900e-07
0.391331.8458662.123134e-07
0.3931511.8451421.992087e-07
0.3949791.8444271.860431e-07
0.3968171.8437211.728162e-07
0.3986631.8430251.595279e-07
0.41.8425281.499000e-07
0.4005171.8423371.482123e-07
0.402381.8416581.421311e-07
0.4042521.8409881.360216e-07
0.4061321.8403261.298837e-07
0.4080221.8396721.237173e-07
0.409921.8390271.175222e-07
0.4118261.8383891.112983e-07
0.4137421.837761.050454e-07
0.4156671.8371389.876338e-08
0.41761.8365249.245218e-08
0.4195431.8359178.611162e-08
0.421.8357768.461900e-08
0.4214941.8353188.251631e-08
0.4234551.8347267.975737e-08
0.4254251.8341417.698560e-08
0.4274041.8335647.420094e-08
0.4293921.8329937.140332e-08
0.4313891.8324296.859268e-08
0.4333961.8318716.576898e-08
0.4354121.8313216.293213e-08
0.4374371.8307766.008210e-08
0.4394721.8302395.721880e-08
0.441.83015.647600e-08
0.4415161.8297075.526386e-08
0.443571.8291825.362216e-08
0.4456341.8286625.197282e-08
0.4477061.8281495.031581e-08
0.4497891.8276424.865110e-08
0.4518811.8271414.697864e-08
0.4539831.8266454.529840e-08
0.4560951.8261554.361034e-08
0.4582171.825674.191443e-08
0.461.8252694.048900e-08
0.4603481.8251924.031822e-08
0.462491.8247183.926808e-08
0.4646411.824253.821306e-08
0.4668021.8237873.715313e-08
0.4689741.8233293.608826e-08
0.4711551.8228773.501845e-08
0.4733471.8224293.394366e-08
0.4755491.8219873.286387e-08
0.4777611.8215493.177905e-08
0.4799831.8211163.068919e-08
0.481.8211133.068100e-08
0.4822161.8206882.949132e-08
0.4844591.8202652.828711e-08
0.4867131.8198462.707729e-08
0.4889771.8194322.586184e-08
0.4912511.8190222.464074e-08
0.4935361.8186172.341396e-08
0.4958321.8182162.218148e-08
0.4981391.8178192.094326e-08
0.51.8175041.994400e-08
0.5004561.8174271.984206e-08
0.5027841.8170391.932145e-08
0.5051231.8166551.879841e-08
0.5074721.8162751.827295e-08
0.5098331.8158991.774504e-08
0.5122041.8155271.721467e-08
0.5145871.815161.668184e-08
0.5169811.8147951.614653e-08
0.5193861.8144351.560872e-08
0.5218021.8140791.506842e-08
0.5242291.8137261.452560e-08
0.5266671.8133771.398026e-08
0.5291171.8130311.343238e-08
0.5315791.812691.288196e-08
0.5340511.8123511.232897e-08
0.5365361.8120161.177341e-08
0.5390311.8116851.121527e-08
0.5415391.8113571.065453e-08
0.5440581.8110321.009118e-08
0.5465891.8107119.525207e-09
0.5491311.8103928.956605e-09
0.551.8102858.762300e-09
0.5516861.8100778.789154e-09
0.5542521.8097668.830040e-09
0.556831.8094578.871116e-09
0.559421.8091518.912383e-09
0.5620221.8088498.953841e-09
0.5646371.8085498.995493e-09
0.5672631.8082539.037339e-09
0.5699021.8079599.079379e-09
0.5725531.8076699.121615e-09
0.5752161.8073819.164047e-09
0.5778921.8070969.206677e-09
0.580581.8068149.249505e-09
0.5832811.8065349.292532e-09
0.5859941.8062579.335759e-09
0.588721.8059839.379187e-09
0.5914591.8057129.422818e-09
0.594211.8054439.466651e-09
0.5969741.8051779.510688e-09
0.5997511.8049139.554931e-09
0.61.804899.558900e-09
0.6025411.8046529.599353e-09
0.6053441.8043939.643980e-09
0.6081591.8041379.688814e-09
0.6109881.8038839.733857e-09
0.613831.8036329.779109e-09
0.6166861.8033839.824572e-09
0.6195541.8031369.870246e-09
0.6224361.8028929.916133e-09
0.6253321.802659.962233e-09
0.6282411.802411.000855e-08
0.6311631.8021721.005508e-08
0.6340991.8019371.010182e-08
0.6370491.8017031.014879e-08
0.6400121.8014721.019597e-08
0.6429891.8012431.024337e-08
0.645981.8010161.029099e-08
0.6489851.8007911.033884e-08
0.651.8007161.035500e-08
0.6520041.8005681.016336e-08
0.6550371.8003489.873305e-09
0.6580841.8001299.581900e-09
0.6611451.7999129.289140e-09
0.664221.7996978.995017e-09
0.667311.7994838.699527e-09
0.6704141.7992728.402662e-09
0.6735331.7990638.104416e-09
0.6766661.7988557.804782e-09
0.6798141.7986497.503755e-09
0.6829761.7984457.201328e-09
0.6861531.7982436.897493e-09
0.6893451.7980436.592246e-09
0.6925511.7978446.285578e-09
0.6957731.7976475.977484e-09
0.6990091.7974525.667957e-09
0.71.7973925.573200e-09
0.7022611.7972585.591200e-09
0.7055271.7970665.617210e-09
0.7088091.7968755.643340e-09
0.7121061.7966865.669592e-09
0.7154191.7964995.695966e-09
0.7187471.7963135.722463e-09
0.722091.7961295.749083e-09
0.7254491.7959465.775827e-09
0.7288241.7957655.802695e-09
0.7322141.7955855.829688e-09
0.735621.7954075.856807e-09
0.7390421.795235.884052e-09
0.742481.7950545.911423e-09
0.7459331.794885.938922e-09
0.7494031.7947085.966549e-09
0.7528891.7945365.994305e-09
0.7563921.7943666.022189e-09
0.759911.7941986.050203e-09
0.7634451.794036.078348e-09
0.7669961.7938646.106623e-09
0.7705641.7936996.135030e-09
0.7741481.7935366.163570e-09
0.777751.7933736.192242e-09
0.7813671.7932126.221047e-09
0.7850021.7930526.249986e-09
0.7886541.7928946.279060e-09
0.7923221.7927366.308269e-09
0.7960081.792586.337614e-09
0.7997111.7924246.367096e-09
0.81.7924126.369400e-09
0.8034311.792276.396714e-09
0.8071681.7921176.426471e-09
0.8109231.7919656.456365e-09
0.8146951.7918146.486399e-09
0.8184841.7916646.516573e-09
0.8222921.7915166.546887e-09
0.8261171.7913686.577342e-09
0.829961.7912216.607938e-09
0.833821.7910756.638677e-09
0.8376991.7909316.669559e-09
0.8415961.7907876.700585e-09
0.8455111.7906446.731755e-09
0.8494441.7905026.763070e-09
0.8533951.7903616.794530e-09
0.8573651.7902216.826137e-09
0.8613531.7900826.857891e-09
0.865361.7899446.889793e-09
0.8693851.7898066.921843e-09
0.8734291.789676.954042e-09
0.8774921.7895346.986391e-09
0.8815741.7893997.018890e-09
0.8856751.7892657.051541e-09
0.8897941.7891327.084343e-09
0.8939331.7889997.117298e-09
0.8980921.7888687.150407e-09
0.91.7888087.165600e-09
0.9022691.7887377.183667e-09
0.9064661.7886067.217080e-09
0.9106831.7884777.250648e-09
0.9149191.7883487.284372e-09
0.9191751.788227.318254e-09
0.9234511.7880937.352293e-09
0.9277471.7879667.386490e-09
0.9320621.787847.420846e-09
0.9363981.7877157.455362e-09
0.9407541.787597.490039e-09
0.945131.7874667.524877e-09
0.9495261.7873437.559877e-09
0.9539431.787227.595040e-09
0.958381.7870987.630367e-09
0.9628391.7869777.665857e-09
0.9673171.7868567.701513e-09
0.9718171.7867357.737335e-09
0.9763381.7866157.773323e-09
0.9808791.7864967.809479e-09
0.9854421.7863777.845803e-09
0.9900261.7862597.882296e-09
0.9946311.7861417.918959e-09
0.9992581.7860247.955792e-09
11.7860057.961700e-09
1.003911.7859077.992800e-09
1.008581.7857918.029982e-09
1.013271.7856758.067336e-09
1.017981.785568.104864e-09
1.022721.7854458.142567e-09
1.027471.7853318.180445e-09
1.032251.7852168.218499e-09
1.037051.7851038.256730e-09
1.041881.784998.295139e-09
1.046731.7848778.333727e-09
1.051591.7847648.372494e-09
1.056491.7846528.411442e-09
1.06141.784548.450571e-09
1.066341.7844298.489881e-09
1.07131.7843188.529375e-09
1.076281.7842078.569052e-09
1.081291.7840978.608914e-09
1.086321.7839878.648962e-09
1.091371.7838778.689195e-09
1.096451.7837678.729616e-09
1.101551.7836588.770225e-09
1.106671.7835498.811022e-09
1.111821.783448.852010e-09
1.116991.7833328.893188e-09
1.122191.7832238.934558e-09
1.127411.7831158.976120e-09
1.132651.7830079.017875e-09
1.137921.78299.059825e-09
1.143211.7827929.101970e-09
1.148531.7826859.144311e-09
1.153871.7825789.186848e-09
1.159241.7824719.229584e-09
1.164631.7823649.272519e-09
1.170051.7822579.315653e-09
1.175491.7821519.358988e-09
1.180961.7820459.402524e-09
1.186461.7819389.446263e-09
1.191981.7818329.490205e-09
1.197521.7817269.534352e-09
1.21.7816799.554100e-09
1.203091.781621.009642e-08
1.208691.7815141.107855e-08
1.214311.7814081.206526e-08
1.219961.7813021.305655e-08
1.225631.7811961.405246e-08
1.231331.7810911.505300e-08
1.237061.7809851.605819e-08
1.242821.7808791.706806e-08
1.24861.7807731.808262e-08
1.254411.7806681.910191e-08
1.260241.7805622.012594e-08
1.26611.7804562.115473e-08
1.271991.780352.218830e-08
1.277911.7802442.322669e-08
1.283851.7801392.426990e-08
1.289831.7800332.531797e-08
1.295831.7799262.637091e-08
1.301851.779822.742875e-08
1.307911.7797142.849151e-08
1.313991.7796082.955921e-08
1.320111.7795013.063189e-08
1.326251.7793953.170955e-08
1.332421.7792883.279222e-08
1.338611.7791813.387993e-08
1.344841.7790743.497270e-08
1.35111.7789673.607055e-08
1.357381.7788593.717351e-08
1.363691.7787513.828160e-08
1.370041.7786443.939485e-08
1.376411.7785364.051327e-08
1.382811.7784274.163689e-08
1.389251.7783194.276575e-08
1.395711.778214.389985e-08
1.41.7781384.465300e-08
1.40221.7781014.486394e-08
1.408721.7779924.548909e-08
1.415281.7778834.611716e-08
1.421861.7777734.674815e-08
1.428471.7776634.738207e-08
1.435121.7775524.801894e-08
1.441791.7774424.865877e-08
1.44851.7773314.930159e-08
1.455241.7772194.994739e-08
1.462011.7771075.059619e-08
1.468811.7769955.124801e-08
1.475641.7768835.190287e-08
1.482511.776775.256077e-08
1.48941.7766575.322173e-08
1.496331.7765435.388576e-08
1.503291.7764295.455289e-08
1.510281.7763155.522312e-08
1.517311.77625.589646e-08
1.524371.7760855.657294e-08
1.531461.7759695.725256e-08
1.538581.7758535.793535e-08
1.545741.7757365.862131e-08
1.552931.7756195.931046e-08
1.560151.7755016.000282e-08
1.567411.7753836.069840e-08
1.57471.7752646.139722e-08
1.582031.7751456.209928e-08
1.589391.7750256.280461e-08
1.596781.7749056.351322e-08
1.61.7748526.382200e-08
1.604211.7747846.642153e-08
1.611671.7746627.103351e-08
1.619171.774547.566693e-08
1.62671.7744178.032191e-08
1.634261.7742948.499855e-08
1.641871.774178.969693e-08
1.64951.7740459.441718e-08
1.657181.773929.915937e-08
1.664891.7737941.039236e-07
1.672631.7736671.087101e-07
1.680411.773541.135187e-07
1.688231.7734121.183498e-07
1.696081.7732831.232033e-07
1.703971.7731531.280794e-07
1.71191.7730231.329782e-07
1.719861.7728921.378998e-07
1.727861.772761.428442e-07
1.73591.7726281.478117e-07
1.743971.7724941.528023e-07
1.752081.772361.578161e-07
1.760231.7722251.628532e-07
1.768421.7720891.679137e-07
1.776651.7719521.729978e-07
1.784911.7718151.781055e-07
1.793221.7716761.832370e-07
1.81.7715631.874300e-07
1.801561.7715371.902571e-07
1.809941.7713962.054719e-07
1.818361.7712552.207575e-07
1.826821.7711132.361142e-07
1.835311.770972.515423e-07
1.843851.7708262.670422e-07
1.852431.7706812.826142e-07
1.861041.7705352.982586e-07
1.86971.7703883.139758e-07
1.87841.7702393.297661e-07
1.887141.770093.456298e-07
1.895911.769943.615674e-07
1.904731.7697893.775790e-07
1.913591.7696363.936652e-07
1.92251.7694834.098262e-07
1.931441.7693284.260623e-07
1.940421.7691724.423740e-07
1.949451.7690154.587616e-07
1.958521.7688574.752254e-07
1.967631.7686984.917658e-07
1.976781.7685375.083831e-07
1.985981.7683755.250777e-07
1.995211.7682125.418500e-07
21.7681285.505400e-07
2.004491.7680485.726866e-07
2.013821.7678826.186301e-07
2.023191.7677166.647873e-07
2.03261.7675477.111592e-07
2.042051.7673787.577468e-07
2.051551.7672078.045511e-07
2.061091.7670358.515732e-07
2.070681.7668618.988139e-07
2.080311.7666869.462745e-07
2.089991.7665099.939557e-07
2.099711.7663311.041859e-06
2.109481.7661521.089985e-06
2.119291.7659711.138335e-06
2.129151.7657891.186909e-06
2.139061.7656051.235710e-06
2.149011.7654191.284738e-06
2.1591.7652321.333993e-06
2.169051.7650431.383478e-06
2.179141.7648531.433193e-06
2.189271.7646611.483139e-06
2.199461.7644671.533318e-06
2.21.7644571.536000e-06
2.209691.7642721.752719e-06
2.219971.7640751.982681e-06
2.230291.7638762.213712e-06
2.240671.7636762.445818e-06
2.251091.7634742.679004e-06
2.261561.7632692.913274e-06
2.272081.7630643.148634e-06
2.282651.7628563.385089e-06
2.293271.7626463.622644e-06
2.303941.7624353.861304e-06
2.314651.7622214.101074e-06
2.325421.7620064.341959e-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
—