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Two-beam nonlinear Kerr effect to stabilize laser frequency with sub-Doppler resolution |
Applied Optics, Vol. 51, Issue 21, pp. 5080-5084 (2012)
http://dx.doi.org/10.1364/AO.51.005080
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Abstract
Avoiding laser frequency drifts is a key issue in many atomic physics experiments. Several techniques have been developed to lock the laser frequency using sub-Doppler dispersive atomic lineshapes as error signals in a feedback loop. We propose here a two-beam technique that uses nonlinear properties of an atomic vapor around sharp resonances to produce sub-Doppler dispersivelike lineshapes that can be used as error signals. Our simple and robust technique has the advantage of not needing either modulation or magnetic fields.
© 2012 Optical Society of America
OCIS Codes
(020.3690) Atomic and molecular physics : Line shapes and shifts
(260.5950) Physical optics : Self-focusing
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6460) Spectroscopy : Spectroscopy, saturation
(140.3425) Lasers and laser optics : Laser stabilization
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: April 11, 2012
Revised Manuscript: May 26, 2012
Manuscript Accepted: May 29, 2012
Published: July 12, 2012
Citation
Weliton Soares Martins, Hugo L. D. de S. Cavalcante, Thierry Passerat de Silans, Marcos Oriá, and Martine Chevrollier, "Two-beam nonlinear Kerr effect to stabilize laser frequency with sub-Doppler resolution," Appl. Opt. 51, 5080-5084 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-21-5080
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