Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF010
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.97218511-0.0132235298λ^{2}-0.000174821942λ^{4}+0.0233639677λ^{-2}+0.000384261692λ^{-4}+9.20777694\text{×}10^{-06}λ^{-6}+3.19655312\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 9.3637e-06 1.3683e-08 -1.8889e-12 6.9113e-07 7.4554e-10 0.18889
nd: 1.743200
Vd: 49.257188
density: 4.15 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 4.9e-06 K-1
dPgF: -0.0092
phosphate_resistance: 4.0
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