Optical constants of OHARA - LAH (Lanthanum, high-index)
LAH55
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.2764855-0.015309073λ^{2}+0.030415926λ^{-2}+0.00088670657λ^{-4}-1.718301\text{×}10^{-05}λ^{-6}+2.7050718\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.834807 Vd: 42.723720 glass_code: 835427 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets