Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH23
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.27710657-0.0120480934λ^{2}-0.000105066933λ^{4}+0.0470173769λ^{-2}+0.00095791266λ^{-4}+0.000282409939λ^{-6}-2.89931135\text{×}10^{-05}λ^{-8}+2.51862401\text{×}10^{-06}λ^{-10}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.0072e-06 5.68857e-09 1.18399e-12 1.0748e-06 1.46694e-09 0.271814
nd: 1.850000
Vd: 27.027002
density: 3.9 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 7.6e-06 K-1
dPgF: 0.0103
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