EPJ Web of Conferences (Jan 2021)

Interaction of Tungsten tips with Laguerre-Gaussian beams

  • Sinha Abhisek,
  • Rajak Debobrata,
  • Rani Shilpa,
  • Gopal Ram,
  • Sharma Vandana

DOI
https://doi.org/10.1051/epjconf/202125511003
Journal volume & issue
Vol. 255
p. 11003

Abstract

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Interaction of femtosecond laser pulses with metallic tips have been studied extensively and they have proved to be a very good source of ultrashort electron pulses. We present our study of interaction of Laguerre-Gaussian (LG) laser modes with Tungsten tips. We report a change in the order of the interaction for LG beams and the difference in the order of interaction is attributed to ponderomotive shifts in the energy levels corresponding to the enhanced near field intensity supported by numerical simulations.