Optical constants of HIKARI - LaSF (Lanthanum dense flint)
Q-LASFH12S
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.12617289-0.0131750117λ^{2}-5.65591169\text{×}10^{-05}λ^{4}+0.027406042λ^{-2}+0.000635024687λ^{-4}-3.03984369\text{×}10^{-06}λ^{-6}+1.4020084\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 6.8374e-06 1.1824e-08 -1.6343e-12 8.1436e-07 9.5581e-10 0.18204
nd: 1.790630
Vd: 44.984543
density: 4.68 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.8e-06 K-1
dPgF: -0.0093
phosphate_resistance: 1.0
Comments
For mold lens
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