Optical constants of HIKARI - LaSF (Lanthanum dense flint)
Q-LASFH18S
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.32568261-0.0131452099λ^{2}-0.000122888003λ^{4}+0.0340195247λ^{-2}+0.000806964071λ^{-4}+9.93603976\text{×}10^{-06}λ^{-6}+2.07903061\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.851170
Vd: 40.049815
glass_status: preferred
density: 5.3 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.9e-06 K-1
dPgF: -0.0079
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