Optical constants of HIKARI - LaK (Lanthanum crown)
LAK09
Wavelength:
µm
(0.290–0.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.953102-0.01967247λ^{2}+0.01742579λ^{-2}+0.001528665λ^{-4}-0.0001370287λ^{-6}+6.723533\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.734000
Vd: 51.483018
glass_code: 734515
glass_status: preferred
density: 4.03 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
dPgF: -0.0101
References
NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets
Data
INFO
Hikari Glass Co., Ltd.
Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.External links
- Hikari Glass Co., Ltd. (in Japanese)
- Nikon