High-Efficiency Nonadiabatic Trapping of Electrons in the Ponderomotive Potential Wells of Laser Beats

Z. Sheena, S. Ruschin, A. Gover, H. Kleinman

Research output: Contribution to journalArticlepeer-review

Abstract

We report experimental results on nonlinear interactions between a nonrelativistic electron beam and the ponderomotive field (beat wave) of two counterpropagating pulsed CO2 laser beams, operating at different frequencies in a stimulated Compton scattering scheme. Very high electron trapping efficiencies were obtained by applying a new scheme of a nonadiabatic shift in the energy of the electrons in order to bring them into resonance with the ponderomotive wave. With an axial decelerating electric field applied along an interaction path of 12 cm, trapping efficiencies of above 60 percent with energy transfer of 6 eV between the electrons and the radiation field were obtained.

Original languageEnglish
Pages (from-to)203-206
Number of pages4
JournalIEEE Journal of Quantum Electronics
Volume26
Issue number2
DOIs
StatePublished - Feb 1990

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