Optical constants of OHARA - BSM (Borosilicate, medium-index)
BSM81
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.6493149-0.014491012λ^{2}+0.014390568λ^{-2}+0.0005294553λ^{-4}-4.134593\text{×}10^{-05}λ^{-6}+2.2951175\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.639999 Vd: 60.091709 glass_code: 640601 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets