Optical constants of HIKARI - LaK (Lanthanum crown)
J-LAK01
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.64746203-0.0131056736λ^{2}-0.000166347533λ^{4}+0.0155169536λ^{-2}+0.000192870468λ^{-4}+4.84379496\text{×}10^{-06}λ^{-6}-7.97499057\text{×}10^{-09}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.681e-06 1.2495e-08 -2.178e-12 4.413e-07 5.0881e-10 0.17484
nd: 1.640000
Vd: 60.193092
density: 3.01 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
dPgF: -0.0056
phosphate_resistance: 4.0
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