Optical constants of HIKARI - LaK (Lanthanum crown)
J-LAK011
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.96970289-0.0138160772λ^{2}-0.000188539623λ^{4}+0.021844812λ^{-2}+0.000320709012λ^{-4}+8.12772786\text{×}10^{-06}λ^{-6}+7.94854532\text{×}10^{-08}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.4663e-06 1.067e-08 -1.6899e-12 5.8363e-07 5.2555e-10 0.16733
nd: 1.741000
Vd: 52.765834
density: 4.19 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.3e-06 K-1
dPgF: -0.0086
phosphate_resistance: 3.0
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