Hyperfine structures in51V using laser saturation spectroscopy in a hollow-cathode discharge

Abstract
Doppler-free intermodulated fluorescence spectroscopy has been applied to the study of hyperfine structures in vanadium atoms sputtered in a hollow-cathode discharge. High-resolution spectra (FWHM approximately=10 MHz) which are free from background pedestals are observed. Analysis of the data yields new hyperfine-structure constants for the five 3d34s(5F)4p6D degrees levels and constants for the four 3d4(5D)4s6D metastable levels which are in agreement with recent laser-RF double-resonance results.