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Optical Vortices from Liquid Crystal Droplets

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Title: Optical Vortices from Liquid Crystal Droplets
Authors: Brasselet, Etienne Browse this author
Murazawa, Naoki Browse this author
Misawa, Hiroaki Browse this author →KAKEN DB
Juodkazis, Saulius Browse this author
Issue Date: 4-Sep-2009
Publisher: American Physical Society
Journal Title: Physical Review Letters
Volume: 103
Issue: 10
Start Page: 103903
Publisher DOI: 10.1103/PhysRevLett.103.103903
Abstract: We report on the generation of mono- and polychromatic optical phase singularities from micron-sized birefringent droplets. This is done experimentally by using liquid crystal droplets whose three dimensional architecture of the optical axis is controlled within the bulk by surfactant agents. Because of its microscopic size these optical vortex generators are optically trapped and manipulated at will, thus realizing a robust self-aligned micro-optical device for orbital angular momentum conversion. Experimental observations are supported by a simple model of optical spin-orbit coupling in uniaxial dielectrics that emphasizes the prominent role of the transverse optical anisotropy with respect to the beam propagation direction.
Rights: © 2009 The American Physical Society
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Juodkazis Saulius(ヨードカジス サウルース)

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