Dark-spot formation by vector beams

Yuichi Kozawa, Shunichi Sato

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Dark-spot formation is demonstrated by calculating electric-field distribution near the focus produced by focusing higher-order transverse-mode vector beams with radial and azimuthal polarizations in addition to Laguerre-Gaussian beams with linear and circular polarizations. The size of the dark spot in the radial direction varies from one beam to another, but the size in the axial direction is almost the same. The radially polarized TM 02 -mode beam is predicted to form a dark spot solely by an axial electric field.

Original languageEnglish
Pages (from-to)2326-2328
Number of pages3
JournalOptics Letters
Volume33
Issue number20
DOIs
Publication statusPublished - 2008 Oct 15

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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