Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH2
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.04927657-0.0145487808λ^{2}-0.000168864692λ^{4}+0.0251825857λ^{-2}+0.000522534606λ^{-4}+2.91654231\text{×}10^{-06}λ^{-6}+1.27935733\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.0284e-06 1.2768e-08 -1.9358e-12 6.7798e-07 6.5574e-10 0.17418
nd: 1.766840
Vd: 46.777867
density: 4.11 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.5e-06 K-1
dPgF: -0.0083
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