Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF08A
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.4408629-0.0138053657λ^{2}-5.63338044\text{×}10^{-05}λ^{4}+0.035057073λ^{-2}+0.000960233781λ^{-4}-7.6596963\text{×}10^{-06}λ^{-6}+2.57013206\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.9638e-06 1.114e-08 1.9136e-12 8.1195e-07 8.2924e-10 0.19938
nd: 1.883000
Vd: 40.688965
density: 5.41 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.2e-06 K-1
dPgF: -0.0088
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