Optical constants of HIKARI - LaSF (Lanthanum dense flint)
E-LASF013
Wavelength:
µm
(0.340 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.16454973-0.0146684282λ^{2}+0.030386787λ^{-2}+0.00102933823λ^{-4}-2.54435589\text{×}10^{-05}λ^{-6}+4.67271608\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.804398
Vd: 39.578982
glass_code: 804396
glass_status: preferred
density: 4.2 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.5e-06 K-1
dPgF: -0.0052
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