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Controlled Electron Dynamics in a Helical Wiggler Field Driven by Tightly Focused Laser Beat Waves
Kavish Middha and Jyoti Rajput
This research explores a novel approach to achieving enhanced electron energy gain through tightly focused beat wave laser acceleration, supported by a helical wiggler magnetic field. The technique utilizes the intense electromagnetic fields produced by high-power laser pulses to accelerate electrons to relativistic speeds over short distances, addressing the limitations of conventional RF (Radio Frequency) accelerators. By employing two tightly focused laser pulses with slightly varying frequencies and identical polarizations, the resulting beat wave coupled with the helical wiggler field enables substantial electron energy amplification. The study incorporates detailed mathematical analyses, including the derivation of electric and magnetic field components, Lorentz force equations, and momentum-energy relations, offering a comprehensive understanding of the underlying electron acceleration dynamics. This method presents a promising advancement in producing high-energy electron beams in vacuum environments, with potential applications in particle acceleration and high-energy physics.
Keywords: Beat wave laser acceleration, helical wiggler magnetic field, relativistic electron energy gain, high-intensity laser pulses, vacuum particle acceleration