Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH9A
Wavelength:
µm
(0.280–2.05809)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.49725259-0.0137767486λ^{2}-0.000124635517λ^{4}+0.0410568814λ^{-2}+0.000721039098λ^{-4}+0.00013613414λ^{-6}-1.24733129\text{×}10^{-05}λ^{-8}+9.2497468\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 8.2131e-07 1.1982e-08 2.2062e-12 8.894e-07 1.0878e-09 0.23395
nd: 1.902650
Vd: 35.770703
density: 4.91 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.2e-06 K-1
dPgF: -0.0028
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