Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF03
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.17262102-0.0144956612λ^{2}-0.000148050666λ^{4}+0.0302384298λ^{-2}+0.000795161351λ^{-4}-3.21543048\text{×}10^{-06}λ^{-6}+3.05533181\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.2889e-06 1.4467e-08 -2.278e-12 7.4017e-07 9.0018e-10 0.2219
nd: 1.806100
Vd: 40.975266
density: 4.31 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.2e-06 K-1
dPgF: -0.0068
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