Optical constants of OHARA - LAL (Lanthanum, low-index)
LAL52
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.7418702-0.012719153λ^{2}+0.016306977λ^{-2}+0.00061414226λ^{-4}-4.8242632\text{×}10^{-05}λ^{-6}+2.8875864\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.669999 Vd: 57.327972 glass_code: 670573 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets