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Speckle field as a multiple particle trap

Shvedov, Vladlen; Rode, Andrei V; Izdebskaya, Yana; Desyatnikov, Anton S; Kivshar, Yuri; Krolikowski, Wieslaw


We demonstrate that a speckle pattern in the spatially coherent laser field transmitted by a diffuser forms a multitude of three-dimensional bottle-shaped micro-traps. These multiple traps serve as a means for an effective trapping of large number of air-born absorbing particles. Confinement of up to a few thousand particles in air with a single beam has been achieved. The ability to capture light-absorbing particles suspended in gases by optical means opens up rich and diverse practical...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Conference paper
Source: AIP Conference Proceedings 1278
DOI: 10.1117/12.854769


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