Optical constants of OHARA - BSM (Borosilicate, medium-index)
BSM18
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.6385199-0.010968446λ^{2}+0.01597395λ^{-2}+0.00053519299λ^{-4}-3.5705726\text{×}10^{-05}λ^{-6}+2.6035403\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.638539 Vd: 55.384768 glass_code: 639554 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets