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Description
Direct laser acceleration (DLA) of electron with intense high order modes of Laguerre Gaussian (LG) laser beam is investigated theoretically. The electron laser interaction is found to be sensitive with the radial (p) and azimuthal (m) mode indices for a polarized LG laser beam. Depending upon the order of mode indices (p,m), it is possible to derive the electron dynamics and energy gain with the variations of electric and magnetic fields characteristics of LG laser beam. The optimal values of beam parameters which leads to the most energetic electrons, is investigated and presented for the increasing power of LG mode indexed laser beam. The study opens new insights on mode indexed LG laser beam based applications with charged particle interactions.
