Optical constants of OHARA - BSM (Borosilicate, medium-index)
BSM10
Wavelength:
µm
(0.365 – 0.9)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.589111-0.009879155λ^{2}+0.01555047λ^{-2}+0.0003664276λ^{-4}-1.829782\text{×}10^{-05}λ^{-6}+1.460153\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 25.0 °C coefficients_of_thermal_dispersion: 2.8381e-06 0.0 0.0 0.0 0.0 0.0 n_d: 1.622799 V_d: 57.063643 glass_code: 623571 glass_status: preferred density: 3.65 g/cm3 coefficient_of_thermal_expansion_1: 6.8e-06 K-1 coefficient_of_thermal_expansion_2: 8e-06 K-1 ΔP_gF: -0.0025
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets