Manipulation of the Pancharatnam phase in vectorial vortices

Avi Niv; Gabriel Biener; Vladimir Kleiner; Erez Hasman

doi:10.1364/OE.14.004208

Manipulation of the Pancharatnam phase in vectorial vortices

Avi Niv, Gabriel Biener, Vladimir Kleiner, Erez Hasman

Research output: Contribution to journal › Article › peer-review

165 Scopus citations

Abstract

Linearly polarized vectorial vortices are analyzed according to their Pancharatnam phase and experimentally demonstrated using a geometric phase element consisting of space-variant subwavelength gratings. It is shown that in the absence of a Pancharatnam phase, stable vectorial vortices that have no angular momentum arise. In contrast, if a Pancharatnam phase is present the vectorial vortices have orbital angular momentum and collapse upon propagation.

Original language	English
Pages (from-to)	4208-4220
Number of pages	13
Journal	Optics Express
Volume	14
Issue number	10
DOIs	https://doi.org/10.1364/OE.14.004208
State	Published - 1 Jan 2006
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.14.004208

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abstract = "Linearly polarized vectorial vortices are analyzed according to their Pancharatnam phase and experimentally demonstrated using a geometric phase element consisting of space-variant subwavelength gratings. It is shown that in the absence of a Pancharatnam phase, stable vectorial vortices that have no angular momentum arise. In contrast, if a Pancharatnam phase is present the vectorial vortices have orbital angular momentum and collapse upon propagation.",

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AU - Biener, Gabriel

AU - Kleiner, Vladimir

AU - Hasman, Erez

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N2 - Linearly polarized vectorial vortices are analyzed according to their Pancharatnam phase and experimentally demonstrated using a geometric phase element consisting of space-variant subwavelength gratings. It is shown that in the absence of a Pancharatnam phase, stable vectorial vortices that have no angular momentum arise. In contrast, if a Pancharatnam phase is present the vectorial vortices have orbital angular momentum and collapse upon propagation.

AB - Linearly polarized vectorial vortices are analyzed according to their Pancharatnam phase and experimentally demonstrated using a geometric phase element consisting of space-variant subwavelength gratings. It is shown that in the absence of a Pancharatnam phase, stable vectorial vortices that have no angular momentum arise. In contrast, if a Pancharatnam phase is present the vectorial vortices have orbital angular momentum and collapse upon propagation.

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Manipulation of the Pancharatnam phase in vectorial vortices

Abstract

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