Optical constants

Refractive index of S-PHM52 (OHARA)

S-PHM52: n,k 0.33–2.4 µm

Data
formula 2 + tabulated k
Range
0.33–2.4 µm
Temperature
298 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.33–2.4 µm
Refractive index n
1.618
Extinction coefficient k
9.36134e-09
Permittivity ε1
2.61792
Permittivity ε2
3.02933e-08
Absorption coefficient α
0.00200201 cm⁻¹
Penetration depth δ = λ/(2πk)
9.98996e+09 nm
Abbe number Vd
63.334
Chromatic dispersion dn/dλ
-0.0503773 µm⁻¹
Group index ng
1.6476
Group velocity dispersion
88.7859 fs²/mm
Dispersion parameter D
-484.374 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-PHM52 (OHARA): S-PHM52
ohara_s_phm52 = ls.fetch_refractiveindex("specs", "OHARA-optical", "S-PHM52", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ohara_s_phm52.range_nm)  # (330, 2400) nm
eps = ohara_s_phm52.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=1.0996655λ2λ2−0.0132718559+0.478125422λ2λ2+0.000601649685+1.13214074λ2λ2−130.595472

Valid from 0.33 to 2.4 µm.

Coefficients as stored
CiValue
C10.0
C21.0996655
C30.0132718559
C40.478125422
C5-0.000601649685
C61.13214074
C7130.595472

Comments and conditions

Recommended

Conditions

temperature
298 K

Properties

thermal dispersion
type: formula A, coefficients: -1.15e-05 5.4e-09 -3.69e-11 4.44e-07 9.12e-10 0.166
nd
1.618000
Vd
63.333504
glass code
618634
density
value: 3670
thermal expansion
value: 1.01e-05, temperature range: 243 343; value: 1.2e-05, temperature range: 293 573
dPgF
0.0051
resistance
acid: 5.0; climatic: 2.0; phosphate: 4.0

Thermo-optic coefficient

  • Schott thermal-dispersion model (reference temperature 298.0 K): dn/dT = -5.14e-06 K⁻¹ at 633 nm, dn/dT = -5.51e-06 K⁻¹ at 1310 nm, dn/dT = -5.52e-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 425 wavelengths, the same grid as the API and the library
S-PHM52 (OHARA), S-PHM52: n and k versus wavelength
λ (µm)nk
0.331.6513147.867000e-06
0.3316451.6507997.189845e-06
0.3332981.650296.509314e-06
0.334961.6497875.825390e-06
0.336631.649295.138058e-06
0.3383081.64884.447298e-06
0.3399941.6483153.753095e-06
0.341.6483143.750800e-06
0.3416891.6478363.433980e-06
0.3433931.6473633.114530e-06
0.3451051.6468962.793487e-06
0.3468251.6464342.470844e-06
0.3485541.6459782.146593e-06
0.351.6456021.875400e-06
0.3502921.6455271.848161e-06
0.3520381.6450821.685007e-06
0.3537931.6446421.521039e-06
0.3555561.6442071.356254e-06
0.3573291.6437771.190648e-06
0.359111.6433521.024216e-06
0.361.6431439.410900e-07
0.3609011.6429328.994349e-07
0.36271.6425178.162120e-07
0.3645081.6421087.325742e-07
0.3663251.6417026.485195e-07
0.3681511.6413025.640458e-07
0.3699861.6409064.791509e-07
0.371.6409034.785200e-07
0.3718311.6405154.352729e-07
0.3736841.6401283.914865e-07
0.3755471.6397463.474817e-07
0.3774191.6393683.032576e-07
0.3793011.6389952.588131e-07
0.381.6388582.423000e-07
0.3811921.6386262.296799e-07
0.3830921.6382612.095576e-07
0.3850021.63791.893351e-07
0.3869211.6375431.690117e-07
0.388851.6371911.485870e-07
0.391.6369831.364100e-07
0.3907891.6368421.322660e-07
0.3927371.6364981.220276e-07
0.3946941.6361571.117381e-07
0.3966621.635821.013973e-07
0.398641.6354879.100501e-08
0.41.6352618.385500e-08
0.4006271.6351588.270380e-08
0.4026241.6348327.903567e-08
0.4046311.634517.534926e-08
0.4066481.6341927.164447e-08
0.4086751.6338776.792121e-08
0.4107131.6335656.417940e-08
0.412761.6332586.041892e-08
0.4148181.6329535.663970e-08
0.4168861.6326525.284165e-08
0.4189641.6323544.902465e-08
0.421.6322084.712200e-08
0.4210531.632064.649398e-08
0.4231521.6317684.524171e-08
0.4252611.631484.398320e-08
0.4273811.6311964.271842e-08
0.4295121.6309144.144733e-08
0.4316531.6306354.016990e-08
0.4338051.6303593.888611e-08
0.4359671.6300873.759591e-08
0.4381411.6298173.629928e-08
0.441.629593.519000e-08
0.4403251.629553.509599e-08
0.442521.6292863.446073e-08
0.4447261.6290253.382231e-08
0.4469431.6287673.318070e-08
0.4491711.6285113.253590e-08
0.451411.6282593.188788e-08
0.4536611.6280093.123663e-08
0.4559221.6277613.058213e-08
0.4581951.6275172.992437e-08
0.461.6273252.940200e-08
0.4604791.6272742.924831e-08
0.4627751.6270352.851201e-08
0.4650821.6267982.777204e-08
0.46741.6265632.702838e-08
0.469731.6263312.628102e-08
0.4720721.6261012.552992e-08
0.4744251.6258742.477509e-08
0.476791.6256492.401649e-08
0.4791671.6254272.325411e-08
0.481.625352.298700e-08
0.4815561.6252072.243930e-08
0.4839571.6249892.159428e-08
0.4863691.6247732.074505e-08
0.4887941.624561.989158e-08
0.4912311.6243481.903386e-08
0.4936791.6241391.817187e-08
0.496141.6239321.730557e-08
0.4986141.6237281.643496e-08
0.51.6236141.594700e-08
0.5010991.6235251.578902e-08
0.5035971.6233241.543006e-08
0.5061081.6231261.506932e-08
0.5086311.6229291.470678e-08
0.5111671.6227351.434243e-08
0.5137151.6225421.397626e-08
0.5162761.6223511.360827e-08
0.5188491.6221631.323844e-08
0.5214361.6219761.286677e-08
0.5240351.6217911.249325e-08
0.5266481.6216081.211786e-08
0.5292731.6214261.174061e-08
0.5319121.6212471.136147e-08
0.5345631.6210691.098044e-08
0.5372281.6208931.059752e-08
0.5399061.6207191.021268e-08
0.5425981.6205469.825925e-09
0.5453031.6203759.437243e-09
0.5480211.6202069.046623e-09
0.551.6200858.762300e-09
0.5507531.6200398.774301e-09
0.5534991.6198738.818044e-09
0.5562581.6197088.862005e-09
0.5590311.6195468.906185e-09
0.5618181.6193848.950585e-09
0.5646191.6192258.995206e-09
0.5674331.6190679.040050e-09
0.5702621.618919.085118e-09
0.5731051.6187559.130410e-09
0.5759621.6186029.175928e-09
0.5788331.6184499.221673e-09
0.5817191.6182999.267645e-09
0.5846191.6181499.313847e-09
0.5875331.6180019.360280e-09
0.5904621.6178559.406944e-09
0.5934061.617719.453840e-09
0.5963641.6175669.500970e-09
0.5993371.6174239.548336e-09
0.61.6173929.558900e-09
0.6023251.6172829.595914e-09
0.6053271.6171429.643722e-09
0.6083451.6170039.691769e-09
0.6113781.6168669.740056e-09
0.6144261.616739.788583e-09
0.6174891.6165959.837352e-09
0.6205671.6164619.886364e-09
0.623661.6163299.935621e-09
0.6267691.6161989.985123e-09
0.6298941.6160671.003487e-08
0.6330341.6159381.008487e-08
0.636191.6158111.013511e-08
0.6393611.6156841.018561e-08
0.6425491.6155581.023636e-08
0.6457521.6154341.028736e-08
0.6489711.615311.033862e-08
0.651.6152711.035500e-08
0.6522061.6151881.039017e-08
0.6554581.6150661.044199e-08
0.6587251.6149461.049408e-08
0.6620091.6148271.054642e-08
0.6653091.6147081.059903e-08
0.6686261.6145911.065190e-08
0.6719591.6144751.070503e-08
0.6753091.6143591.075842e-08
0.6786751.6142451.081209e-08
0.6820591.6141311.086601e-08
0.6854591.6140191.092021e-08
0.6888761.6139071.097468e-08
0.692311.6137961.102942e-08
0.6957611.6136861.108444e-08
0.699231.6135771.113972e-08
0.71.6135531.115200e-08
0.7027161.6134691.136857e-08
0.7062191.6133621.164794e-08
0.7097391.6132561.192871e-08
0.7132771.613151.221088e-08
0.7168331.6130451.249445e-08
0.7204071.6129411.277944e-08
0.7239981.6128381.306585e-08
0.7276071.6127361.335369e-08
0.7312351.6126341.364296e-08
0.734881.6125331.393367e-08
0.7385431.6124331.422583e-08
0.7422251.6123341.451945e-08
0.7459251.6122351.481454e-08
0.7496441.6121371.511109e-08
0.7533811.612041.540912e-08
0.7571371.6119431.570864e-08
0.7609111.6118471.600965e-08
0.7647041.6117521.631216e-08
0.7685161.6116571.661618e-08
0.7723481.6115641.692172e-08
0.7761981.611471.722878e-08
0.7800671.6113781.753737e-08
0.7839561.6112861.784749e-08
0.7878641.6111941.815917e-08
0.7917921.6111031.847240e-08
0.7957391.6110131.878718e-08
0.7997061.6109241.910354e-08
0.81.6109171.912700e-08
0.8036931.6108341.948067e-08
0.8076991.6107461.986441e-08
0.8117261.6106582.025007e-08
0.8157721.6105712.063765e-08
0.8198391.6104842.102716e-08
0.8239261.6103972.141862e-08
0.8280331.6103112.181202e-08
0.8321611.6102262.220739e-08
0.836311.6101412.260473e-08
0.8404791.6100572.300405e-08
0.8446691.6099732.340536e-08
0.8488791.6098892.380867e-08
0.8531111.6098062.421399e-08
0.8573641.6097242.462133e-08
0.8616381.6096422.503070e-08
0.8659341.609562.544211e-08
0.870251.6094792.585558e-08
0.8745891.6093982.627110e-08
0.8789491.6093182.668870e-08
0.883331.6092382.710838e-08
0.8877341.6091582.753015e-08
0.8921591.6090792.795402e-08
0.8966071.6092.838000e-08
0.91.608942.870500e-08
0.9010771.6089212.873934e-08
0.9055691.6088432.888264e-08
0.9100831.6087652.902665e-08
0.914621.6086882.917137e-08
0.9191791.6086112.931682e-08
0.9237621.6085342.946300e-08
0.9283671.6084572.960990e-08
0.9329951.6083812.975753e-08
0.9376461.6083052.990590e-08
0.942321.6082293.005501e-08
0.9470181.6081543.020487e-08
0.9517391.6080793.035547e-08
0.9564831.6080043.050682e-08
0.9612521.607933.065892e-08
0.9660441.6078553.081179e-08
0.9708591.6077813.096541e-08
0.9756991.6077073.111981e-08
0.9805631.6076343.127497e-08
0.9854521.607563.143090e-08
0.9903641.6074873.158762e-08
0.9953011.6074143.174511e-08
11.6073453.189500e-08
1.000261.6073413.190339e-08
1.005251.6072693.206243e-08
1.010261.6071963.222227e-08
1.01531.6071243.238290e-08
1.020361.6070523.254433e-08
1.025451.606983.270657e-08
1.030561.6069083.286962e-08
1.035691.6068363.303348e-08
1.040861.6067653.319815e-08
1.046051.6066933.336365e-08
1.051261.6066223.352997e-08
1.05651.6065513.369713e-08
1.061771.606483.386511e-08
1.067061.6064093.403393e-08
1.072381.6063383.420360e-08
1.077731.6062673.437411e-08
1.08311.6061973.454547e-08
1.08851.6061263.471768e-08
1.093931.6060553.489075e-08
1.099381.6059853.506469e-08
1.104861.6059143.523949e-08
1.110371.6058443.541517e-08
1.11591.6057733.559172e-08
1.121471.6057033.576915e-08
1.127061.6056323.594746e-08
1.132671.6055623.612666e-08
1.138321.6054923.630676e-08
1.1441.6054213.648775e-08
1.14971.6053513.666965e-08
1.155431.605283.685245e-08
1.161191.605213.703617e-08
1.166981.6051393.722080e-08
1.17281.6050693.740635e-08
1.178641.6049983.759283e-08
1.184521.6049273.778023e-08
1.190421.6048573.796857e-08
1.196361.6047863.815785e-08
1.21.6047423.827400e-08
1.202321.6047153.834807e-08
1.208321.6046443.853925e-08
1.214341.6045733.873137e-08
1.220391.6045013.892445e-08
1.226481.604433.911849e-08
1.232591.6043593.931351e-08
1.238741.6042873.950949e-08
1.244911.6042153.970645e-08
1.251121.6041443.990439e-08
1.257351.6040724.010332e-08
1.263621.6039994.030324e-08
1.269921.6039274.050416e-08
1.276251.6038554.070608e-08
1.282611.6037824.090900e-08
1.289011.6037094.111294e-08
1.295431.6036364.131790e-08
1.301891.6035634.152387e-08
1.308381.6034894.173087e-08
1.314911.6034164.193891e-08
1.321461.6033424.214798e-08
1.328051.6032674.235809e-08
1.334671.6031934.256925e-08
1.341321.6031184.278147e-08
1.348011.6030434.299474e-08
1.354731.6029684.320908e-08
1.361481.6028934.342448e-08
1.368271.6028174.364096e-08
1.375091.6027414.385851e-08
1.381951.6026654.407715e-08
1.388831.6025884.429689e-08
1.395761.6025114.451771e-08
1.41.6024644.465300e-08
1.402721.6024344.560994e-08
1.409711.6023564.807338e-08
1.416741.6022785.054910e-08
1.42381.60225.303716e-08
1.43091.6021215.553762e-08
1.438031.6020425.805055e-08
1.44521.6019636.057601e-08
1.45241.6018836.311406e-08
1.459641.6018036.566476e-08
1.466921.6017226.822817e-08
1.474231.6016417.080437e-08
1.481581.601567.339340e-08
1.488971.6014787.599535e-08
1.496391.6013967.861026e-08
1.503851.6013138.123821e-08
1.511351.601238.387926e-08
1.518881.6011468.653348e-08
1.526451.6010628.920093e-08
1.534061.6009789.188168e-08
1.541711.6008939.457579e-08
1.54941.6008079.728333e-08
1.557121.6007211.000044e-07
1.564881.6006341.027390e-07
1.572681.6005471.054872e-07
1.580521.600461.082491e-07
1.58841.6003711.110248e-07
1.596321.6002831.138144e-07
1.61.6002411.151100e-07
1.604281.6001931.191526e-07
1.612281.6001041.267063e-07
1.620321.6000131.342977e-07
1.628391.5999221.419269e-07
1.636511.599831.495941e-07
1.644671.5997381.572996e-07
1.652871.5996451.650434e-07
1.661111.5995511.728259e-07
1.669391.5994571.806472e-07
1.677711.5993621.885075e-07
1.686071.5992671.964069e-07
1.694481.5991712.043457e-07
1.702931.5990742.123241e-07
1.711421.5989762.203423e-07
1.719951.5988782.284005e-07
1.728521.5987792.364988e-07
1.737141.5986792.446375e-07
1.74581.5985782.528167e-07
1.75451.5984772.610368e-07
1.763251.5983752.692978e-07
1.772041.5982722.776000e-07
1.780871.5981692.859436e-07
1.789751.5980642.943288e-07
1.798671.5979593.027557e-07
1.81.5979433.040100e-07
1.807641.5978533.165802e-07
1.816651.5977463.314093e-07
1.825711.5976383.463123e-07
1.834811.597533.612896e-07
1.843951.597423.763415e-07
1.853151.597313.914685e-07
1.862391.5971994.066709e-07
1.871671.5970864.219490e-07
1.8811.5969734.373034e-07
1.890381.5968594.527343e-07
1.89981.5967444.682421e-07
1.909271.5966284.838272e-07
1.918791.5965114.994900e-07
1.928351.5963935.152309e-07
1.937971.5962745.310503e-07
1.947631.5961545.469485e-07
1.957341.5960335.629260e-07
1.96711.5959115.789831e-07
1.97691.5957885.951203e-07
1.986761.5956646.113379e-07
1.996661.5955386.276364e-07
21.5954966.331300e-07
2.006621.5954126.567092e-07
2.016621.5952856.923644e-07
2.026671.5951567.281972e-07
2.036771.5950267.642088e-07
2.046931.5948958.003998e-07
2.057131.5947638.367713e-07
2.067391.5946298.733241e-07
2.077691.5944959.100591e-07
2.088051.5943599.469772e-07
2.098461.5942229.840794e-07
2.108921.5940831.021367e-06
2.119441.5939441.058840e-06
2.131.5938031.096499e-06
2.140621.5936611.134347e-06
2.151291.5935171.172383e-06
2.162021.5933721.210609e-06
2.172791.5932261.249025e-06
2.183621.5930781.287633e-06
2.194511.5929291.326434e-06
2.21.5928531.346000e-06
2.205451.5927781.369971e-06
2.216451.5926261.418325e-06
2.227491.5924731.466920e-06
2.23861.5923181.515757e-06
2.249761.5921621.564838e-06
2.260971.5920041.614163e-06
2.272251.5918441.663734e-06
2.283571.5916831.713552e-06
2.294961.591521.763619e-06
2.30641.5913561.813935e-06
2.317891.591191.864502e-06
2.329451.5910231.915321e-06
2.341061.5908541.966393e-06
2.352731.5906832.017720e-06
2.364461.590512.069303e-06
2.376251.5903362.121143e-06
2.38811.590162.173242e-06
2.41.5899822.225600e-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
—