Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF013
Wavelength:
µm
(0.340 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.1635095-0.0145894059λ^{2}-0.000212587159λ^{4}+0.0315033746λ^{-2}+0.000585519102λ^{-4}+5.85508847\text{×}10^{-05}λ^{-6}-3.44096993\text{×}10^{-06}λ^{-8}+3.17840715\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.8437e-06 1.418e-08 -2.867e-12 7.1915e-07 8.2727e-10 0.23354
nd: 1.804400
Vd: 39.607321
density: 4.2 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.1e-06 K-1
dPgF: -0.006
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