Bragg scattering induced laser deflection and electron injection in x-ray laser driven wakefield acceleration in crystals

Optical control of hard X-ray polarization by electron injection in a laser wakefield accelerator

Laser-plasma particle accelerators could provide more compact sources of high-energy radiation than conventional accelerators. Moreover, because they deliver radiation in femtosecond pulses, they could improve the time resolution of X-ray absorption techniques. Here we show that we can measure and control the polarization of ultra-short, broad-band keV photon pulses emitted from a laser-plasma-...

Characteristics of Electron Acceleration in a Self-modulated Laser Wakefield

Acceleration of electrons by an electron plasma wave has been of great current interest because of its much larger acceleration gradient than that of conventional rf linacs [1]. Several methods have been proposed for driving a largeamplitude fast-phase-velocity plasma wave [1]. In the Laser Wake-Field Accelerator (LWFA), an electron plasma wave is driven resonantly by a short laser pulse throug...

Self-truncated ionization injection and consequent monoenergetic electron bunches in laser wakefield acceleration

Ming Zeng,1 Min Chen,1, 2, ∗ Zheng-Ming Sheng,1, 2, † Warren B. Mori,3, 4 and Jie Zhang1, 5 1Key Laboratory for Laser Plasmas (Ministry of Education), Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China 2Department of Mathematics, Institute of Natural Sciences, and MOE-LSC, Shanghai Jiao Tong University, Shanghai 20040, China 3Department of Electrical Engi...

Laser - Driven Electron Acceleration in Infinite Vacuum

I first review basic models for laser-plasma interaction that explain electron acceleration and beam confinement in plasma. Next, I discuss ponderomotive electron acceleration in infinite vacuum, showing that the transverse scattering angle of the accelerated electron may be kept small with a proper choice of parameters. I then analyze the direct (a.k.a. linear) acceleration of an electron in i...

Tunable monoenergetic electron beams from independently controllable laser-wakefield acceleration and injection