A threshold for laser-driven linear particle acceleration in unbounded vacuum
Author(s)Wong, Liang Jie; Kaertner, Franz X.
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We hypothesize that a charged particle in unbounded vacuum can be substantially accelerated by a force linear in the electric field of a propagating electromagnetic wave only if the accelerating field is capable of bringing the particle to a relativistic energy in its initial rest frame during the interaction. We consequently derive a general formula for the acceleration threshold of such schemes and support our conclusion with the results of numerical simulations over a broad range of parameters for different kinds of pulsed laser beams.
DepartmentMassachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Department of Mathematics; Massachusetts Institute of Technology. Research Laboratory of Electronics
Applied Physics Letters
American Institute of Physics
Wong, Liang Jie, and Franz X. Kärtner. “A Threshold for Laser-Driven Linear Particle Acceleration in Unbounded Vacuum.” Appl. Phys. Lett. 99, no. 21 (2011): 211101.
Author's final manuscript