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Electron capture acceleration channel in a slit laser beam
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View: Figures


Image of FIG. 1.
FIG. 1.

Distribution of (a) and (b) of a slit laser beam with and in the plane, where is the maximum laser intensity (longitudinal electric field amplitude) in the whole time range. Other parameters chosen are , , , and . Values are distinguished by the level of shading, dark indicating small values and bright indicating large. The right insets show (a) laser intensity and (b) longitudinal electric field amplitude as a function of along line .

Image of FIG. 2.
FIG. 2.

(Color online) Typical case of on-axis injected capture electron dynamics in the slit laser beam. (a) Electron trajectory in the plane. (b) Electron energy as a function of time. (c) Laser wave phase experienced by the electron as a function of time. The solid line is for the phase of and the dotted line for that of . (d) Contributions from the longitudinal (solid line) and transverse (dotted line) electric fields to the energy change of the electron as a function of time.

Image of FIG. 3.
FIG. 3.

(Color online) Dependence of the net energy exchange on field initial phase when varies in the whole phase range . The squares (∎) are for the case of a laser beam with , the stars for , and the circles (●) for . (a) and (b) .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electron capture acceleration channel in a slit laser beam