Optical constants of HIKARI - LaF (Lanthanum flint)
E-LAF04
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.01654365-0.0142462083λ^{2}+0.0251223164λ^{-2}+0.000195992997λ^{-4}+4.35063641\text{×}10^{-05}λ^{-6}-7.85606637\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.756998
Vd: 47.826989
glass_code: 757478
glass_status: preferred
density: 4.08 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.9e-06 K-1
dPgF: -0.0074
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