Optical constants of OHARA - BSM (Borosilicate, medium-index)
BSM16
Wavelength:
µm
(0.360–0.9)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.585926-0.0114351λ^{2}+0.01387296λ^{-2}+0.0005169618λ^{-4}-3.768293\text{×}10^{-05}λ^{-6}+2.058449\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.3568e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.620410 Vd: 60.271913 glass_code: 620603 glass_status: preferred density: 3.57 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.6e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.7e-06 K-1 dPgF: -0.0012
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets