Laser speckle field as a multiple particle trap
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Shvedov, Vladlen; Rode, Andrei V; Izdebskaya, Yana; Leykam, Daniel; Desyatnikov, Anton S; Krolikowski, Wieslaw; Kivshar, Yuri
Description
We demonstrate that a speckle pattern in the spatially coherent laser field transmitted by a diffuser forms a multitude of three-dimensional intensity micro-pockets acting as particle traps for air-borne light absorbing particles. Confinement of up to a few thousand particles in air with a unidirectional single beam has been achieved. Theoretical analysis of the speckle defined trapping volume is in a good agreement with experimental results on capturing of aggregates of carbon nanoparticles in...[Show more]
Collections | ANU Research Publications |
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Date published: | 2010 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/57120 |
Source: | Journal of Optics A: Pure and Applied Optics |
DOI: | 10.1088/2040-8978/12/12/124003 |
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01_Shvedov_Laser_speckle_field_as_a_2010.pdf | 1.03 MB | Adobe PDF | Request a copy |
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