Optical constants of HIKARI - LaSF (Lanthanum dense flint)
P-LASFH18S
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.32566886-0.0131396072λ^{2}+0.0340298328λ^{-2}+0.000803745646λ^{-4}+1.03681091\text{×}10^{-05}λ^{-6}+2.05840857\text{×}10^{-06}λ^{-8}-0.000123587896λ^{4}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.851170
Vd: 40.049954
glass_status: preferred
density: 5.27 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-06 K-1
dPgF: -0.0072
Comments
Low Tg glass
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