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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 4 — Apr. 1, 2011
  • pp: 602–607

Tailored leaky plasmon waves from a subwavelength aperture for optical particle trapping on a chip

M. S. Muradoglu, Tuck Wah Ng, Adrian Neild, and Ian Gralinski  »View Author Affiliations


JOSA B, Vol. 28, Issue 4, pp. 602-607 (2011)
http://dx.doi.org/10.1364/JOSAB.28.000602


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Abstract

Optical forces available on a chip that possess features of strong trapping at the subwavelength scale, in a coplanar geometry, and at specific and selective locations portend many useful applications. We demonstrate here a two-pronged approach to accomplish this. First, the plasmon fields emanating from a subwavelength aperture are manipulated so that they leak maximally to the sides on a surface through the use of tailored corrugations. Second, the location of secondary corrugation at some distance permits reflection of these leaky waves, which, with the coherence property of light used, generate optical standing wave fields capable of strong optical trapping. The linear optical forces generated with this scheme are presented here.

© 2011 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(240.6680) Optics at surfaces : Surface plasmons
(240.3990) Optics at surfaces : Micro-optical devices

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: September 21, 2010
Revised Manuscript: January 4, 2011
Manuscript Accepted: January 12, 2011
Published: March 2, 2011

Virtual Issues
Vol. 6, Iss. 5 Virtual Journal for Biomedical Optics

Citation
M. S. Muradoglu, Tuck Wah Ng, Adrian Neild, and Ian Gralinski, "Tailored leaky plasmon waves from a subwavelength aperture for optical particle trapping on a chip," J. Opt. Soc. Am. B 28, 602-607 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-4-602

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