Electron acceleration from the breaking of relativistic plasma waves

Article Abstract:

The excitation of a relativistic plasma wave to the breaking point by a short and high-intensity laser pulse, using the Raman forward-scattering instability, accelerates the electrons and enhances their number. The acceleration of electrons causes a number of scattered frequencies and the coherence of laser light scattered by the wave is lost. An increase in plasma density increases the maximum electron energy (up to 44 MeV) and results in a tremendous broadening of each anti-Stokes peak at the corresponding high density.

Laser pulses, Ultrashort, Ultrashort laser pulses, Electrons, Electron scattering, Plasma waves

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A laser-plasma accelerator producing monoenergetic electron beams

Article Abstract:

The laser-plasma accelerators that are proposed as a next generation of compact accelerators because of the huge electric fields they can sustain are difficult to use efficiently for applications as they produce poor-quality particle beams with large energy spreads owing to a randomization of electrons in phase space. It is demonstrated that this randomization can be suppressed and that the quality of the electron beams can be dramatically enhanced.

United States, Laser-plasma interactions

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Controlled injection and acceleration of electrons in plasma wakefields by colliding laser pulses

Article Abstract:

A second laser pulse can be used to control the injection and subsequent acceleration of electrons in plasma wakefields. The results have shown that this stable and compact electron source will have a strong impact on applications requiring short bunches, such as the femtolysis of water, or high stability, such as radiotherapy with high-energy electrons or radiography for materials science.

Materials science, Radiography

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