Vacuum laser-driven acceleration by a slits-truncated Bessel beam

Li, D.; Imasaki, K.
January 2005
Applied Physics Letters;1/17/2005, Vol. 86 Issue 3, p031110
Academic Journal
An approach of vacuum acceleration by the longitudinal electric field of laser Bessel beam is proposed in this letter. Laser Bessel beam, truncated by a set of annular slits, exhibits several special zones over its propagation path, where an electron could avoid deceleration as it slides into the decelerating phase. Because of the “diffraction-free” properties of Bessel beam, a long interaction distance could be sustained and multistage configuration becomes possible. With the help of single particle model, the potential of a multistage acceleration scheme driven by a Laser Bessel beam is shown.


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