Electron trajectory evaluation in laser-plasma interaction for effective output beam |
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Authors: | P Zobdeh R Sadighi-Bonabi and H Afarideh |
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Institution: | Department of Physics, Amirkabir University of Technology, Tehran,
Iran; Department of Physics, Qom Branch Islamic Azad University, Qom, Iran; Department of Physics, Sharif University of Technology,
11365-9567, Tehran, Iran |
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Abstract: | Using the ellipsoidal cavity model, the
quasi-monoenergetic electron output beam in laser-plasma interaction
is described. By the cavity regime the quality of electron beam is
improved in comparison with those generated from other methods such
as periodic plasma wave field, spheroidal cavity regime and plasma
channel guided acceleration. Trajectory of electron motion is
described as hyperbolic, parabolic or elliptic paths. We find that
the self-generated electron bunch has a smaller energy width and
more effective gain in energy spectrum. Initial condition for the
ellipsoidal cavity is determined by laser-plasma parameters. The
electron trajectory is influenced by its position, energy and cavity
electrostatic potential. |
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Keywords: | electron intense laser plasma accelerator laser wake
field bubble regime wave breaking |
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