Optical constants of HIKARI - LaSF (Lanthanum dense flint)
Q-LASFH19S
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.22566311-0.0126719158λ^{2}-0.000122584245λ^{4}+0.0306900263λ^{-2}+0.000649958511λ^{-4}+1.0629994\text{×}10^{-05}λ^{-6}+1.20774149\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.820980
Vd: 42.656702
glass_status: preferred
density: 4.97 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.8e-06 K-1
dPgF: -0.0086
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