(1) Department of Applied Physics, Southwest Jiaotong University, Chengdu, 610031, China;(2) Institute of Laser Physics and Chemistry, Sichuan University, Chengdu, 610064, China
Abstract:
The explicit expressions for the beam propagation factor (M2 factor) and far-field distribution of Bessel-Modulated Gaussian beams with quadratic radial dependence are derived. The results are analyzed with numerical example.