Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF015
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.17452404-0.0132156517λ^{2}-0.000165919934λ^{4}+0.0276472367λ^{-2}+0.000483338934λ^{-4}+1.20380702\text{×}10^{-05}λ^{-6}+6.02649728\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.0255e-06 9.8941e-09 -1.9071e-12 6.6916e-07 6.0558e-10 0.18663
nd: 1.804000
Vd: 46.597670
density: 4.57 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 6e-06 K-1
dPgF: -0.0087
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