Nonparaxial propagation of abruptly autofocusing circular Pearcey Gaussian beams

Appl Opt. 2018 Oct 1;57(28):8418-8423. doi: 10.1364/AO.57.008418.

Abstract

We introduce a new class of abruptly autofocusing circular Pearcey Gaussian beams (AAFCPGBs) which tend to be abruptly autofocusing circular Pearcey beams with a small distribution factor, or Gaussian beams with a larger distribution factor. The nonparaxial propagation of the AAFCPGBs is investigated by numerical calculation. The radiation force of the AAFCPGBs exerted on a Rayleigh particle is analyzed in detail.