Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF02
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.88586901-0.0102242298λ^{2}-5.7330265\text{×}10^{-05}λ^{4}+0.0243594329λ^{-2}+0.000671639978λ^{-4}-1.38459487\text{×}10^{-05}λ^{-6}+2.96139784\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.4651e-06 1.1439e-08 -6.6607e-13 7.7072e-07 7.8052e-10 0.21966
nd: 1.720000
Vd: 43.610054
density: 3.88 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
dPgF: -0.0029
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