Optical constants of OHARA - BSM (Borosilicate, medium-index)
S-BSM10
Wavelength:
µm
(0.31–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.945443081λ^2}{λ^2-0.0157263798}+\frac{0.643237376λ^2}{λ^2-0.00161924066}+\frac{1.17752968λ^2}{λ^2-121.361748}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.16e-06 1.34e-08 -3.75e-11 4.33e-07 3.86e-10 0.213 nd: 1.622799 Vd: 57.052723 glass_code: 623570 density: 3.6 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.5e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.6e-06 K-1 dPgF: -0.0028 climatic_resistance: 2.0 acid_resistance: 51.2 phosphate_resistance: 1.0
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets