Advances in laser-plasma interactions using intense vortex laser beams
arxiv(2024)
Abstract
Low-intensity light beams carrying Orbital Angular Momentum (OAM), commonly
known as vortex beams, have garnered significant attention due to promising
applications in areas ranging from optical trapping to communication. In recent
years, there has been a surge in global research exploring the potential of
high-intensity vortex laser beams and specifically their interactions with
plasmas. This paper provides a comprehensive review of recent advances in this
area. Compared to conventional laser beams, intense vortex beams exhibit unique
properties such as twisted phase fronts, OAM delivery, hollow intensity
distribution, and spatially isolated longitudinal fields. These distinct
characteristics give rise to a multitude of rich phenomena, profoundly
influencing laser-plasma interactions and offering diverse applications. The
paper also discusses future prospects and identifies promising general research
areas involving vortex beams. These areas include low-divergence particle
acceleration, instability suppression, high-energy photon delivery with OAM,
and the generation of strong magnetic fields. With growing scientific interest
and application potential, the study of intense vortex lasers is poised for
rapid development in the coming years.
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