Optical constants of HIKARI - LaK (Lanthanum crown)
P-LAK13S
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.82447476-0.0118060586λ^{2}+0.0196386835λ^{-2}+0.00040080475λ^{-4}-8.64448721\text{×}10^{-06}λ^{-6}+9.02906571\text{×}10^{-07}λ^{-8}-0.00010649054λ^{4}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.697200
Vd: 53.210741
glass_status: preferred
density: 3.73 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.2e-06 K-1
dPgF: -0.0062
Comments
Low Tg glass
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