Polychromatic vectorial vortex formed by geometric phase elements

Avi Niv, Gabriel Biener, Vladimir Kleiner, Erez Hasman

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

We propose the use of a geometric phase, obtained by spatial polarization state manipulations, for the formation of polychromatic vectorial vortices. Experimental demonstration is obtained by using Pancharatnam-Berry phase optical elements formed by a space-variant subwavelength grating etched on a GaAs wafer. We further demonstrate formation of scalar and unpolarized polychromatic vortices.

Original languageEnglish
Pages (from-to)847-849
Number of pages3
JournalOptics Letters
Volume32
Issue number7
DOIs
StatePublished - 1 Apr 2007
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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