Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF7
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.96739544-0.0118139418λ^{2}-0.000133628078λ^{4}+0.0310749099λ^{-2}+0.000654571893λ^{-4}+9.85567905\text{×}10^{-05}λ^{-6}-8.8311254\text{×}10^{-06}λ^{-8}+8.38843732\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.3967e-07 1.1253e-08 -1.2013e-12 9.0789e-07 1.243e-09 0.24666
nd: 1.749500
Vd: 35.248835
density: 3.62 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-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