Phys. Rev. ST Accel. Beams 7, 011302 (2004) [8 pages]Calculation and optimization of laser acceleration in vacuum
Extraordinarily high fields generated by focused lasers are envisioned to accelerate particles to high energies. In this paper, we develop a new method to calculate laser acceleration in vacuum based on the energy exchange arising from the interference of the laser field with the radiation field of the particle. We apply this method to a simple accelerating structure, a perfectly conducting screen with a round hole, and show how to optimize the energy gain with respect to the hole radius, laser angle, and spot size, as well as the transverse profile of the laser. Limitations and energy scaling of this acceleration method are also discussed. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.7.011302
DOI:
10.1103/PhysRevSTAB.7.011302
PACS:
41.75.Jv, 41.60.–m
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