Optical constants of HIKARI - LaSF (Lanthanum dense flint)
E-LASFH2
Wavelength:
µm
(0.330–0.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.04964021-0.0143753567λ^{2}+0.0247919447λ^{-2}+0.000638849518λ^{-4}-1.05068423\text{×}10^{-05}λ^{-6}+1.83387657\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.766840
Vd: 46.804913
glass_code: 767468
glass_status: preferred
density: 4.1 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
dPgF: -0.0073
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