Optical constants of HIKARI - LaSF (Lanthanum dense flint)
P-LASFH19S
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.2257027-0.0126902501λ^{2}+0.0306614932λ^{-2}+0.000658747108λ^{-4}+9.44972029\text{×}10^{-06}λ^{-6}+1.26490053\text{×}10^{-06}λ^{-8}-0.000120031201λ^{4}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.820980
Vd: 42.656255
glass_status: preferred
density: 4.98 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
dPgF: -0.008
Comments
Low Tg glass
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