Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF016
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.13977744-0.0136971027λ^{2}-0.000162026634λ^{4}+0.0348771551λ^{-2}+0.000587991861λ^{-4}+0.000135087453λ^{-6}-1.23042975\text{×}10^{-05}λ^{-8}+9.55959268\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.8807e-06 1.5384e-08 -1.2533e-12 8.1523e-07 8.7452e-10 0.25613
nd: 1.801000
Vd: 34.923057
density: 3.63 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.2e-06 K-1
dPgF: -0.0004
phosphate_resistance: 1.0
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