Optical constants of OHARA - BSM (Borosilicate, medium-index)
S-BSM15
Wavelength:
µm
(0.33 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.953128328λ^2}{λ^2-0.00387638985}+\frac{0.637613977λ^2}{λ^2-0.0185094632}+\frac{1.65245647λ^2}{λ^2-159.442367}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: -3.24e-07 1.31e-08 -3.71e-11 4.21e-07 6.87e-10 0.207 nd: 1.622992 Vd: 58.165763 glass_code: 623582 density: 3.6 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 6.5e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 7.8e-06 K-1 dPgF: -0.0016 climatic_resistance: 2.0 acid_resistance: 52.2 phosphate_resistance: 3.2
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets