System and method for correcting laser beam wavefront of high power laser systems

Abstract

A method and a system for laser pulse wavefront correction and focusing optimization for laser Wakefield interaction to accelerate electrons to high energy, and more generally for laser matter interaction where both far field and intermediate field optimization are important, allowing a robust wavefront correction and focusing optimization with a high-power laser system at its nominal laser pulse energy and laser pulse duration. The method comprises, after laser beam focusing by focusing optics, coupling an imaging unit to a wavefront sensor, thereby measuring the laser beam wavefront, and adjusting the measured laser beam wavefront to converge to a reference wavefront of the imaging unit using a spatial phase-modifying device.

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