Bessel beams revisited: a generalized scheme to derive optical vortices

  title={Bessel beams revisited: a generalized scheme to derive optical vortices},
  author={Guillermo F. Quinteiro and Christian T. Schmiegelow and Doris E. Reiter and Tilmann Kuhn},
The electromagnetic field of optical vortices is in most cases derived from vector and scalar potentials using either a procedure based on the Lorenz or the Coulomb gauge. The former procedure has been typically used to derive paraxial solutions with Laguerre-Gauss radial profiles, while the latter procedure has been used to derive full solutions of the wave equation with Bessel radial profiles. We investigate the differences in the derivation procedures applying each one to both Bessel and… 
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