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Optics Letters

Optics Letters


  • Vol. 30, Iss. 10 — May. 15, 2005
  • pp: 1219–1221

Pump-probe differencing technique for cavity-enhanced, noise-canceling saturation laser spectroscopy

Glenn de Vine, David E. McClelland, Malcolm B. Gray, and John D. Close  »View Author Affiliations

Optics Letters, Vol. 30, Issue 10, pp. 1219-1221 (2005)

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We present an experimental technique that permits mechanical-noise-free, cavity-enhanced frequency measurements of an atomic transition and its hyperfine structure. We employ the 532-nm frequency-doubled output from a Nd:YAG laser and an iodine vapor cell. The cell is placed in a folded ring cavity (FRC) with counterpropagating pump and probe beams. The FRC is locked with the Pound-Drever-Hall technique. Mechanical noise is rejected by differencing the pump and probe signals. In addition, this differenced error signal provides a sensitive measure of differential nonlinearity within the FRC.

© 2005 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

Glenn de Vine, David E. McClelland, Malcolm B. Gray, and John D. Close, "Pump-probe differencing technique for cavity-enhanced, noise-canceling saturation laser spectroscopy," Opt. Lett. 30, 1219-1221 (2005)

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