Optical constants of OHARA - BSM (Borosilicate, medium-index)
S-BSM16
Wavelength:
µm
(0.31–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.14490383λ^2}{λ^2-0.0137034916}+\frac{0.439563911λ^2}{λ^2+0.00186514205}+\frac{1.27688079λ^2}{λ^2-119.535585}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -5.59e-07 1.35e-08 -3.47e-11 4e-07 5.04e-10 0.201 nd: 1.620411 Vd: 60.289582 glass_code: 620603 density: 3.59 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.7e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.6e-06 K-1 dPgF: -0.0012 climatic_resistance: 2.0 acid_resistance: 53.2 phosphate_resistance: 4.2
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets