Optical constants of HIKARI - LaK (Lanthanum crown)
J-LAK06
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.75830673-0.0104979587λ^{2}-8.63280601\text{×}10^{-05}λ^{4}+0.0198026568λ^{-2}+0.000388736963λ^{-4}-3.98876195\text{×}10^{-07}λ^{-6}+8.98869177\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.9447e-06 1.3518e-08 -1.9509e-12 6.8878e-07 8.6935e-10 0.16406
nd: 1.677900
Vd: 50.668606
glass_status: preferred
density: 3.83 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.3e-06 K-1
dPgF: -0.0038
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