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Optically Induced Forces Imposed in an Optical Funnel on a Stream of Particles in Air or Vacuum

Eckerskorn, Niko; Bowman, Richard; Kirian, Richard; Awel, Salah; Wiedorn, Max; Kupper, Jochen; Padgett, Miles; Chapman, Henry; Rode, Andrei V

Description

Optical trapping of light-absorbing particles in a gaseous environment is governed by a laser-induced photophoretic force, which can be orders of magnitude stronger than the force of radiation pressure induced by the same light intensity. In spite of many experimental studies, the exact theoretical background underlying the photophoretic force and the prediction of its influence on the particle motion is still in its infancy. Here, we report the results of a quantitative analysis of the...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/153863
Source: Physical Review Applied
DOI: 10.1103/PhysRevApplied.4.064001
Access Rights: Open Access

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