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Optical constants of OHARA - LAL (Lanthanum, low-index)
LAL7
Wavelength:
µm
(0.334 – 2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.6833808-0.012303485λ^{2}+0.015614129λ^{-2}+0.00047439815λ^{-4}-2.7935643\text{×}10^{-05}λ^{-6}+1.5441332\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 °C nd: 1.651597 Vd: 58.519433 glass_code: 652585 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets