Optical constants of HIKARI - LaSF (Lanthanum dense flint)
Q-LASFPH2S
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.0430437-0.0130169861λ^{2}-0.000175012562λ^{4}+0.025603733λ^{-2}+0.000448879136λ^{-4}+1.131389\text{×}10^{-05}λ^{-6}+4.69755261\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 8.850929e-06 1.485241e-08 3.179295e-12 7.356564e-07 8.071775e-10 0.1941267
nd: 1.765437
Vd: 46.751378
density: 4.52 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.3e-06 K-1
dPgF: -0.0095
phosphate_resistance: 3.0
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