Optical constants of OHARA - LAL (Lanthanum, low-index)
LAL10
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.8967406-0.01222188λ^{2}+0.021099546λ^{-2}+0.00063090904λ^{-4}-2.8901915\text{×}10^{-05}λ^{-6}+2.1652922\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.719995 Vd: 50.254429 glass_code: 720503 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets