Optical constants of HIKARI - LaSF (Lanthanum dense flint)
E-LASF014
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.12215038-0.0147958367λ^{2}+0.0260452483λ^{-2}+0.000507811768λ^{-4}+5.71446833\text{×}10^{-06}λ^{-6}+8.82357872\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.788001
Vd: 47.378774
glass_code: 788474
glass_status: preferred
density: 4.36 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.1e-06 K-1
dPgF: -0.0089
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