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Optics Letters

Optics Letters


  • Vol. 36, Iss. 6 — Mar. 15, 2011
  • pp: 957–959

Two-color-laser-driven direct electron acceleration in infinite vacuum

Liang Jie Wong and Franz X. Kärtner  »View Author Affiliations

Optics Letters, Vol. 36, Issue 6, pp. 957-959 (2011)

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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

Original Manuscript: December 7, 2010
Revised Manuscript: February 7, 2011
Manuscript Accepted: February 10, 2011
Published: March 11, 2011

Liang Jie Wong and Franz X. Kärtner, "Two-color-laser-driven direct electron acceleration in infinite vacuum," Opt. Lett. 36, 957-959 (2011)

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