Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH17HS
Wavelength:
µm
(0.370–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.81071676-0.0163737936λ^{2}+0.0583672875λ^{-2}+0.00412726108λ^{-4}-0.000552229126λ^{-6}+0.000141302816λ^{-8}-1.45517862\text{×}10^{-05}λ^{-10}+7.444268\text{×}10^{-07}λ^{-12}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.4887e-07 1.1853e-08 2.8854e-12 1.1578e-06 1.587e-09 0.28102
nd: 2.000690
Vd: 25.455728
density: 4.69 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
dPgF: 0.0123
phosphate_resistance: 1.0
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