Linewidth reduction of quantum beats by recurrent excitation

A high-resolution coherent spectroscopy, based on the iterative excitation using the atomic response, is studied. The Zeeman quantum beats in the ground state 32S1/2 of Na atoms were produced and monitored by optical means. Significant reductions of the spectral width were observed for resonance lin...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2004-10, Vol.73 (10), p.2708-2711
Main Authors: NAKAYAMA, Kazuyuki, FURUE, Shigeki, OGAWA, Tomoji, MISONO, Masatoshi, MITSUI, Takahisa, KOHMOTO, Toshiro, KUNITOMO, Masakazu, FUKUDA, Yukio
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Atomic properties and interactions with photons
Atomic spectra
Exact sciences and technology
Physics
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Summary:A high-resolution coherent spectroscopy, based on the iterative excitation using the atomic response, is studied. The Zeeman quantum beats in the ground state 32S1/2 of Na atoms were produced and monitored by optical means. Significant reductions of the spectral width were observed for resonance lines broadened by inhomogeneity of the magnetic field. Theoretical analysis for the coherence-beat signals is given. The experimental results were well explained by the theory.
ISSN:0031-9015
1347-4073
DOI:10.1143/JPSJ.73.2708