Programmable electron density patterns induced by the interaction of an array laser and underdense plasma

Author:

ZHANG Xiaobo,QIAO Xin,ZHANG Aixia,XUE Jukui

Abstract

Abstract The spatially modulated electron distribution of plasma is the basis for obtaining programmable electron density patterns. It has an important influence on plasma technology applications. We propose an efficient scheme to realize controllable electron density patterns in underdense plasma based on the array laser–plasma interaction. Theoretical evidence for the realization of programmable electron density patterns and the corresponding electrostatic field is provided analytically, which is confirmed by particle-in-cell simulations. Results show that the spatial distribution of electron density in the propagation and transverse directions of the laser can be highly modulated to obtain rich programmable electron density patterns by adjusting the array pattern code and pulse width of the array laser beam.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Gansu Province

Scientific research project of Gansu higher education

Publisher

IOP Publishing

Subject

Condensed Matter Physics

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