Optical constants of HIKARI - LaSF (Lanthanum dense flint)
E-LASF021
Wavelength:
µm
(0.360 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.30328439-0.0145196022λ^{2}+0.0383186238λ^{-2}+0.00182646612λ^{-4}-9.04598096\text{×}10^{-05}λ^{-6}+1.51789935\text{×}10^{-05}λ^{-8}+1.69313476\text{×}10^{-05}λ^{4}$$Conditions & Spec sheet
n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
n_d: 1.850260
V_d: 32.348145
glass_status: preferred
density: 4.34 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.1e-06 K-1
ΔP_gF: 0.0041
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