Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH22
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.32390176-0.0124810607λ^{2}-0.000116698235λ^{4}+0.0316622125λ^{-2}+0.000639837554λ^{-4}+8.855505\text{×}10^{-06}λ^{-6}+1.07749628\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.5512e-06 7.9428e-09 2.0617e-12 8.7538e-07 1.5764e-09 0.14748
nd: 1.848500
Vd: 43.790731
density: 5.08 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.3e-06 K-1
dPgF: -0.0089
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