Optical constants of HIKARI - LaK (Lanthanum crown)
E-LAKH1
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.98243942-0.00202422946λ^{2}+0.0267906679λ^{-2}-0.000632301437λ^{-4}+0.000110898621λ^{-6}-4.1584108\text{×}10^{-06}λ^{-8}-0.00495792836λ^{4}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.748099
Vd: 52.304982
glass_status: preferred
density: 4.23 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.9e-06 K-1
dPgF: -0.0094
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