Optical constants of OHARA - LAM (Lanthanum, medium-index)
LAM3
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.8826295-0.01060676λ^{2}+0.022303134λ^{-2}+0.00055786284λ^{-4}-1.1488225\text{×}10^{-05}λ^{-6}+1.8527798\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.717004 Vd: 47.942632 glass_code: 717479 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets