Abstract
We employ the lowest-order radially polarized axicon fields of a Gaussian laser beam to demonstrate that electrons may be accelerated from rest in vacuum to a few GeV. Petawatt power laser beams focused onto micron-size focal spots result in multi-TeV/m electron energy gradients.
- Received 14 November 2005
DOI:https://doi.org/10.1103/PhysRevA.73.043402
©2006 American Physical Society
