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Proceedings Paper

Speckle field as a multiple particle trap
Author(s): V. G. Shvedov; A. V. Rode; Ya. V. Izdebskaya; A. S. Desyatnikov; W. Krolikowski; Yu. S. Kivshar
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Paper Abstract

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 opportunities, including development of photonic shielding/fencing for environmental protection in nanotechnology industry and new methods of touch-free air transport of particles and small containers, which may hold dangerous substances, or viruses and living cells.

Paper Details

Date Published: 17 May 2010
PDF: 9 pages
Proc. SPIE 7715, Biophotonics: Photonic Solutions for Better Health Care II, 77150K (17 May 2010); doi: 10.1117/12.854769
Show Author Affiliations
V. G. Shvedov, The Australian National Univ. (Australia)
Taurida National Univ. (Ukraine)
A. V. Rode, The Australian National Univ. (Australia)
Ya. V. Izdebskaya, The Australian National Univ. (Australia)
Taurida National Univ. (Ukraine)
A. S. Desyatnikov, The Australian National Univ. (Australia)
W. Krolikowski, The Australian National Univ. (Australia)
Yu. S. Kivshar, The Australian National Univ. (Australia)


Published in SPIE Proceedings Vol. 7715:
Biophotonics: Photonic Solutions for Better Health Care II
Jürgen Popp; Wolfgang Drexler; Valery V. Tuchin; Dennis L. Matthews, Editor(s)

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