New Mechanism for the Production of Optical Resonances with Subnatural Linewidths
- 29 March 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 48 (13) , 871-873
- https://doi.org/10.1103/physrevlett.48.871
Abstract
Optical resonances with subnatural linewidth as narrow as 2.6 MHz have been observed with excellent signal-to-noise ratio in the Na line (natural width 10 MHz) in a polarization spectroscopy experiment. The new, subnatural resonances arise from Zeeman coherences which are produced by a strong probe beam and destroyed by a velocity-selective optical Hanle effect.
Keywords
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