An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Spectra of neon-filled hollow cathode discharge lamps were observed by means of high-resolution Fourier-transform spectroscopy (FTS) covering the region from vacuum ultraviolet to near infrared. By combining these new measurements with results of other FTS and grating spectroscopy observations, we compiled a complete list of approximately 1700 spectral lines of Ne II covering the range from 324 to 13 m. All known energy levels of Ne II were derived from this line list with improved accuracy. The newly optimized energy levels were used to derive a set of Ritz wavelength standards in the vacuum ultraviolet that are in good agreement with the previously used data. An improved classification of energy levels was made with the help of parametric calculations, and the existing controversy in the naming of strongly mixed levels was resolved.
Citation
European Physical Journal D
Pub Type
Journals
Keywords
atomic data, energy levels, fine structructure, infrared spectra, semi-empirical and empirical calculation, singly ionized neon, spectral lines, visible and ultraviolet spectra, wavelengths
Citation
Kramida, A.
and Nave, G.
(2008),
The Ne II Spectrum, European Physical Journal D
(Accessed June 8, 2023)