Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH6
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.15462091-0.0134426083λ^{2}+0.0331718297λ^{-2}+0.00271221217λ^{-4}-0.000503803783λ^{-6}+0.000100437086λ^{-8}-9.19121981\text{×}10^{-06}λ^{-10}+3.75808895\text{×}10^{-07}λ^{-12}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 6.65589e-07 7.77982e-09 1.18319e-12 8.50922e-07 1.20835e-09 0.263888
nd: 1.806100
Vd: 33.344981
density: 3.77 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.1e-06 K-1
dPgF: 0.002
phosphate_resistance: 1.0
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