Double-resonance polarization spectroscopy using modulation sidebands
- 1 February 1981
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 6 (2) , 87-89
- https://doi.org/10.1364/ol.6.000087
Abstract
A novel technique for ultrahigh-resolution laser spectroscopy is described. Coherence between atomic substates created by an amplitude-modulated light beam is monitored in transmission of a weak probe beam by polarization-selective optical heterodyne detection. As a demonstration, the technique is applied to Zeeman sublevels of the sodium ground state. The width (FWHM) of the observed resonances corresponds to 60 kHz.Keywords
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