Spin-orbit photonic interaction engineering of Bessel beams
(Conference Presentation)

Artur Aleksanyan; Etienne Brasselet

doi:10.1117/12.2237129

10 November 2016 Spin-orbit photonic interaction engineering of Bessel beams (Conference Presentation)

Artur Aleksanyan, Etienne Brasselet

Proceedings Volume 9922, Optical Trapping and Optical Micromanipulation XIII; 99220M (2016) https://doi.org/10.1117/12.2237129
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

Interaction between the polarization and spatial degrees of freedom of a light field has become a powerful tool to tailor the amplitude and phase of light beams. This usually implies the use of space-variant photonic elements involving sophisticated fabrication technologies. Here we report on the optical spin–orbit engineering of the intensity, phase, and polarization structure of Bessel light beams using a homogeneous birefringent axicon. Various kinds of spatially modulated free-space light fields are predicted depending on the nature of the incident light field impinging on the birefringent axicon. In particular, we present the generation of bottle beam arrays, hollow beams with periodic modulation of the core size, and hollow needle beams with periodic modulation of the orbital angular momentum. An experimental attempt is also reported. The proposed structured light fields may find applications in long-distance optical manipulation endowed with self-healing features, periodic atomic waveguides, contactless handling of high aspect ratio micro-objects, and optical shearing of matter.

Conference Presentation

Citation Download Citation

Artur Aleksanyan and Etienne Brasselet "Spin-orbit photonic interaction engineering of Bessel beams (Conference Presentation)", Proc. SPIE 9922, Optical Trapping and Optical Micromanipulation XIII, 99220M (10 November 2016); https://doi.org/10.1117/12.2237129

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KEYWORDS

Modulation

Axicons

Bessel beams

Polarization

Free space optics

Optical engineering

Optical manipulation

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