作者: S.S. Stafeev , V.V. Kotlyar
DOI: 10.1016/J.OPTCOM.2017.07.054
关键词:
摘要: … , an azimuthally polarized beam needs a phase singularity to … However, azimuthally polarized optical vortices have not … the tight focusing of a quasi-azimuthally polarized optical vortex …