Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF017
Wavelength:
µm
(0.320 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.14264424-0.0144687256λ^{2}-0.000159589924λ^{4}+0.0273342436λ^{-2}+0.00060806842λ^{-4}+1.8005447\text{×}10^{-07}λ^{-6}+1.58176253\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.4278e-06 1.4e-08 -5.5493e-13 6.4293e-07 6.6175e-10 0.20857
nd: 1.795000
Vd: 45.309666
density: 4.34 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.4e-06 K-1
dPgF: -0.0085
phosphate_resistance: 2.0
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