Optical constants of OHARA - LAL (Lanthanum, low-index)
LAL61
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.9706808-0.015058733λ^{2}+0.021490548λ^{-2}+0.00038566151λ^{-4}+4.1252602\text{×}10^{-06}λ^{-6}+1.0912892\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.740999 Vd: 52.648747 glass_code: 741527 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets