Optical constants of HIKARI - LaSF (Lanthanum dense flint)
E-LASFH15
Wavelength:
µm
(0.370–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.64564579-0.0149009227λ^{2}+0.0493219809λ^{-2}+0.00239217482λ^{-4}-9.28226213\text{×}10^{-05}λ^{-6}+1.87217041\text{×}10^{-05}λ^{-8}-2.00969759\text{×}10^{-05}λ^{4}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.950000
Vd: 29.365360
glass_status: preferred
density: 4.78 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.6e-06 K-1
dPgF: 0.0058
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