Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF05
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.27458352-0.013275214λ^{2}-0.000135438033λ^{4}+0.0311933067λ^{-2}+0.000711503841λ^{-4}+3.51334559\text{×}10^{-06}λ^{-6}+1.88560229\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.0543e-06 1.1001e-08 -2.1068e-12 6.9279e-07 6.3486e-10 0.22476
nd: 1.834810
Vd: 42.733437
density: 4.79 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.5e-06 K-1
dPgF: -0.0079
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