Enhanced spectral selectivity in time-resolved measurements by laser quenching of adjacent hyperfine levels

1 January 1989

journal article
Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics

Vol. 22 (2) , L27-L32
https://doi.org/10.1088/0953-4075/22/2/003

Abstract

A method has been developed for measuring lifetimes of selective hyperfine levels in atomic ions using fast-ion-beam laser spectroscopy. Localised Doppler tuning was used in a collinear geometry to determine the lifetimes of each hyperfine sublevel in the 6p ⁴P_5/2 state of ¹²⁹Xe⁺ and ¹³¹Xe⁺. Optical pumping enhanced by saturation broadening was introduced prior to the excitation region to isolate transitions in the congested hyperfine multiplet of ¹³¹Xe for these measurements. Applications of this technique are discussed, with particular emphasis on investigations of hyperfine induced mixing.

Keywords

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