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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 4 — Feb. 15, 2011
  • pp: 561–563

Detection of saturated absorption spectroscopy at high sensitivity with displaced crossovers

Jun Duan, Xianghui Qi, Xiaoji Zhou, and Xuzong Chen  »View Author Affiliations


Optics Letters, Vol. 36, Issue 4, pp. 561-563 (2011)
http://dx.doi.org/10.1364/OL.36.000561


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Abstract

We present an unconventional experimental approach for detecting saturated absorption spectroscopy. Using this approach, crossover peaks are displaced, leaving out peaks corresponding to an atom’s natural resonant frequencies. Sensitivity of detection can also be enhanced. Consequently, the spectrum could reflect the energy structure of atoms more explicitly. Without harmful influence from crossovers, the locking range of the error signal is significantly increased and the symmetry of the dispersion line shape is perfectly preserved, so reliability of frequency stabilization can be improved.

© 2011 Optical Society of America

OCIS Codes
(020.2930) Atomic and molecular physics : Hyperfine structure
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Spectroscopy

History
Original Manuscript: December 23, 2010
Revised Manuscript: January 18, 2011
Manuscript Accepted: January 18, 2011
Published: February 15, 2011

Citation
Jun Duan, Xianghui Qi, Xiaoji Zhou, and Xuzong Chen, "Detection of saturated absorption spectroscopy at high sensitivity with displaced crossovers," Opt. Lett. 36, 561-563 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-4-561

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