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Reverse optical forces in negative index dielectric waveguide arrays |
Optics Letters, Vol. 36, Issue 16, pp. 3103-3105 (2011)
http://dx.doi.org/10.1364/OL.36.003103
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Abstract
Nonconservative optical forces acting on dipolar particles are considered in longitudinally invariant optical fields. We demonstrate that the orientation of these forces is strictly dictated by the propagation vector associated with such field configurations. As a direct consequence of this, it is impossible to achieve a reversal of optical forces in homogeneous media. We show instead that translation invariant optical tractor fields can in fact be generated in the negative index environment produced in a special class of fully dielectric waveguide arrays.
© 2011 Optical Society of America
OCIS Codes
(260.2110) Physical optics : Electromagnetic optics
(160.3918) Materials : Metamaterials
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
ToC Category:
Materials
History
Original Manuscript: May 26, 2011
Revised Manuscript: July 12, 2011
Manuscript Accepted: July 15, 2011
Published: August 8, 2011
Virtual Issues
Vol. 6, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Alessandro Salandrino and Demetrios N. Christodoulides, "Reverse optical forces in negative index dielectric waveguide arrays," Opt. Lett. 36, 3103-3105 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-36-16-3103
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