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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 14 — Jul. 15, 2006
  • pp: 2163–2165

High-order harmonic generation in a tightly focused laser beam

Q. Lin, S. Li, and W. Becker  »View Author Affiliations


Optics Letters, Vol. 31, Issue 14, pp. 2163-2165 (2006)
http://dx.doi.org/10.1364/OL.31.002163


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Abstract

The force due to the transverse magnetic field of a laser beam drives an electron in the direction of laser propagation, thereby impeding the recollision mechanism for high-order harmonic generation. The longitudinal electric field component of a tightly focused Gaussian beam can sufficiently counteract the magnetic force to enhance the harmonic yield substantially. For tight focusing and a laser intensity of 10 18 W cm 2 , it can raise the harmonic yield by several orders of magnitude.

© 2006 Optical Society of America

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(270.6620) Quantum optics : Strong-field processes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: February 14, 2006
Revised Manuscript: April 21, 2006
Manuscript Accepted: April 22, 2006

Citation
Q. Lin, S. Li, and W. Becker, "High-order harmonic generation in a tightly focused laser beam," Opt. Lett. 31, 2163-2165 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-14-2163


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