Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF02
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.15037829-0.0126701101λ^{2}-0.00018434208λ^{4}+0.0301788791λ^{-2}+0.000435495344λ^{-4}+5.91055881\text{×}10^{-05}λ^{-6}-3.81755339\text{×}10^{-06}λ^{-8}+2.51546253\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 8.5746e-06 1.4279e-08 -1.6073e-12 7.9715e-07 8.2435e-10 0.21498
nd: 1.799520
Vd: 42.086944
density: 4.51 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.3e-06 K-1
dPgF: -0.007
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