We formulate the set of equations that describe the trajectories of electrons counter-propagating along a radially polarized optical Bessel beam (OBB). It is shown that a significant fraction of the… Click to show full abstract
We formulate the set of equations that describe the trajectories of electrons counter-propagating along a radially polarized optical Bessel beam (OBB). It is shown that a significant fraction of the electrons can be transversally trapped by the OBB even in the case of “un-matched” injection. Moreover, these transversally trapped particles (TTP) can be transported without loss over more than half a meter long interaction region.
               
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