Observation of resonances at subharmonics of the Rabi frequency in the saturated absorption of a 100% amplitude-modulated laser beam
Stephen H. Chakmakjian, Karl Koch, and C. R. Stroud, Jr.
JOSA B 5, 2015 (1988).
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chakmakjian881.pdf (685 KB)
A series of resonances has been observed in the absorption of a 100%
amplitude-modulated laser beam by an optically pumped sodium atomic beam.
Resonances were observed when the modulation frequency was equal to the
first, second, and third subharmonic of the Rabi frequency. The
experimental results are compared with theory, and the implications of
these parametric resonances to laser instabilities are discussed.
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