Phase singularities of high numerical aperture radially and azimuthally polarized beams in the focal region

作者：Luo Yamei; Lue Baida

来源：Journal of Optics A: Pure and Applied Optics , 2009, 11(1): 015707.

DOI：10.1088/1464-4258/11/1/015707

• high numerical aperture (NA)
• radially and azimuthally polarized beams
• phase singularity
• edge dislocation

The phase singularities of high numerical aperture (NA) radially and azimuthally polarized Bessel-Gaussian beams of order 1 in the focal region are studied, and the dependence of phase singularities of the radial, longitudinal and azimuthal electric field components on the truncation parameter and NA is illustrated and compared by numerical examples.

• 单位
  四川大学