Optical constants of OHARA - BSM (Borosilicate, medium-index)
S-BSM9
Wavelength:
µm
(0.33–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.37020077λ^2}{λ^2-0.00757631457}+\frac{0.189397267λ^2}{λ^2-0.0300787515}+\frac{1.24202324λ^2}{λ^2-131.350111}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 2.78e-06 1.36e-08 -3.52e-11 4.7e-07 3.85e-10 0.22 nd: 1.614047 Vd: 54.990097 glass_code: 614550 glass_status: special density: 3.22 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 6.4e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 7.7e-06 K-1 dPgF: -0.0017 climatic_resistance: 2.0 acid_resistance: 4.2 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