Optical constants of OHARA - LAH (Lanthanum, high-index)
LAH64
Wavelength:
µm
(0.334 – 2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.122744-0.015173059λ^{2}+0.025766499λ^{-2}+0.00055121032λ^{-4}+6.0710815\text{×}10^{-06}λ^{-6}+4.8871364\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 °C nd: 1.788001 Vd: 47.385275 glass_code: 788474 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets