Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF04
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.01765567-0.0144029325λ^{2}-0.000173403131λ^{4}+0.0241938931λ^{-2}+0.00050291378λ^{-4}-1.18295424\text{×}10^{-07}λ^{-6}+1.26171561\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.8666e-06 1.2787e-08 -2.003e-12 5.4458e-07 8.1066e-10 0.23096
nd: 1.757000
Vd: 47.862723
density: 4.07 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.4e-06 K-1
dPgF: -0.0084
phosphate_resistance: 2.0
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