Optical constants of HIKARI - LaSF (Lanthanum dense flint)
E-LASFH17
Wavelength:
µm
(0.370–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.81220648-0.0171101271λ^{2}+0.0575348609λ^{-2}+0.00395166224λ^{-4}-0.000247712063λ^{-6}+3.77234212\text{×}10^{-05}λ^{-8}+0.000103512503λ^{4}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 2.000690
Vd: 25.454379
glass_status: preferred
density: 4.68 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.1e-06 K-1
dPgF: 0.0131
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