Optical constants of OHARA - LAM (Lanthanum, medium-index)
LAM55
Wavelength:
µm
(0.334–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.0211799-0.012311284λ^{2}+0.027355503λ^{-2}+0.0011031515λ^{-4}-5.0726902\text{×}10^{-05}λ^{-6}+6.4572101\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C nd: 1.762001 Vd: 40.100947 glass_code: 762401 glass_status: preferred
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets