Observation of Hyperfine Level Crossing in Stimulated Emission
- 17 February 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 22 (7), 267-270
- https://doi.org/10.1103/physrevlett.22.267
Abstract
A level-crossing effect in stimulated emission is used to determine precisely the hfs in an excited electronic state of . The effect arises from a resonant change in nonlinear polarization induced by a monochromatic field as appropriate tunable level pairs are made to cross.
Keywords
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