Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF05
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.01897142-0.0106135241λ^{2}-3.56215294\text{×}10^{-05}λ^{4}+0.0284177137λ^{-2}+0.000843869366λ^{-4}-1.12827377\text{×}10^{-05}λ^{-6}+3.11337221\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 8.9831e-06 1.4643e-08 -2.2499e-12 9.6665e-07 9.3427e-10 0.21126
nd: 1.762000
Vd: 40.113731
density: 3.94 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.3e-06 K-1
dPgF: -0.0046
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