Generation of Ultrashort Electron Bunches Using Table-Top Laser-Plasma-Based Electron Accelerators
As an ultrashort high-intensity laser pulse propagates in a plasma, an electron plasma wave with relativistic phase velocity is excited by stimulated Raman forward scattering instability. A low emittance, relativistic electron beam is produced when the electron plasma wave traps and accelerates hot background electrons. Such an electron beam itself, or an ultrashort x-ray pulse generated from it, can be used for studying ultrafast science.
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