Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF01
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.10918831-0.0137763126λ^{2}-0.000130545613λ^{4}+0.0274334291λ^{-2}+0.000651189638λ^{-4}-1.58159803\text{×}10^{-06}λ^{-6}+1.87919051\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.0009e-06 1.4777e-08 -1.7918e-12 7.0948e-07 4.4462e-10 0.20779
nd: 1.785900
Vd: 44.169881
density: 4.25 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.9e-06 K-1
dPgF: -0.0078
phosphate_resistance: 3.0
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