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Two-color-laser-driven direct electron acceleration in infinite vacuum |
Optics Letters, Vol. 36, Issue 6, pp. 957-959 (2011)
http://dx.doi.org/10.1364/OL.36.000957
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Abstract
We propose a direct electron acceleration scheme that uses a two-color pulsed radially polarized laser beam. The two-color scheme achieves electron acceleration exceeding 90% of the theoretical energy gain limit, over twice of what is possible with a one-color pulsed beam of equal total energy and pulse duration. The scheme succeeds by exploiting the Gouy phase shift to cause an acceleration-favoring interference of fields only as the electron enters its effectively final accelerating cycle. Optimization conditions and power scaling characteristics are discussed.
© 2011 Optical Society of America
OCIS Codes
(320.7090) Ultrafast optics : Ultrafast lasers
(350.4990) Other areas of optics : Particles
(350.5400) Other areas of optics : Plasmas
(020.2649) Atomic and molecular physics : Strong field laser physics
ToC Category:
Atomic and Molecular Physics
History
Original Manuscript: December 7, 2010
Revised Manuscript: February 7, 2011
Manuscript Accepted: February 10, 2011
Published: March 11, 2011
Citation
Liang Jie Wong and Franz X. Kärtner, "Two-color-laser-driven direct electron acceleration in infinite vacuum," Opt. Lett. 36, 957-959 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-6-957
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