Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF016
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.07219058-0.0142144846λ^{2}-0.000167817254λ^{4}+0.0244174902λ^{-2}+0.000425680243λ^{-4}+6.77243763\text{×}10^{-06}λ^{-6}+4.02219194\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.2586e-06 1.1018e-08 -6.6547e-13 6.1771e-07 3.556e-10 0.17922
nd: 1.772500
Vd: 49.620185
density: 4.26 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.5e-06 K-1
dPgF: -0.0093
phosphate_resistance: 2.0
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