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Applied Optics

Applied Optics


  • Vol. 43, Iss. 12 — Apr. 20, 2004
  • pp: 2510–2527

Detailed study of an efficient blue laser source by second-harmonic generation in a semimonolithic cavity for the cooling of strontium atoms

Bruce G. Klappauf, Yannick Bidel, David Wilkowski, Thierry Chanelière, and Robin Kaiser  »View Author Affiliations

Applied Optics, Vol. 43, Issue 12, pp. 2510-2527 (2004)

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We have constructed a blue laser source consisting of an amplified, grating tuned diode laser that is frequency doubled by a KNbO3 crystal in a compact standing wave cavity and produces as much as 200 mW of internal second-harmonic power. We have analyzed the unusual characteristics of this standing wave cavity to clarify the advantages and disadvantages of this configuration as an alternative to a ring cavity for second-harmonic generation. We emphasize its efficiency and stability and the fact that it has an inherent walk-off compensation, similar to twin crystal configurations. We demonstrate its utility for laser cooling and trapping of earth alkalis by stabilizing the laser to the 461-nm transition of strontium, using a heat pipe, and then forming a magneto-optic trap of strontium from a Zeeman-slowed atomic beam.

© 2004 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(140.0140) Lasers and laser optics : Lasers and laser optics
(190.0190) Nonlinear optics : Nonlinear optics
(230.0230) Optical devices : Optical devices

Original Manuscript: August 19, 2003
Revised Manuscript: December 22, 2003
Published: April 20, 2004

Bruce G. Klappauf, Yannick Bidel, David Wilkowski, Thierry Chanelière, and Robin Kaiser, "Detailed study of an efficient blue laser source by second-harmonic generation in a semimonolithic cavity for the cooling of strontium atoms," Appl. Opt. 43, 2510-2527 (2004)

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