Optical constants of OHARA - LAL (Lanthanum, low-index)
LAL59
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.9466133-0.014813612λ^{2}+0.020753291λ^{-2}+0.00071087608λ^{-4}-4.178079\text{×}10^{-05}λ^{-6}+2.5896668\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.733997 Vd: 51.488026 glass_code: 734515 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets