Near-field optical micromanipulation with cavity enhanced evanescent waves

Peter J. Reece; Veneranda Garćs-Chávez; Kishan Dholakia

doi:10.1063/1.2208272

Near-field optical micromanipulation with cavity enhanced evanescent waves

Peter J. Reece, Veneranda Garćs-Chávez, Kishan Dholakia

Department of Physics

Research output: Contribution to journal › Article › peer-review

78 Citations (Scopus)

Abstract

We show that the forces associated with near-field optical micromanipulation can be greatly increased through the use of cavity enhanced evanescent waves. This approach utilizes a resonant dielectric waveguide structure and a prism coupler to produce Fabry-Ṕrot-like cavity modes at a dielectric-fluid interface. Fabricated structures show a ten times enhancement in the optical interaction and optical force for micrometer-sized colloids. In addition, stable accumulation and ordering of large scale arrays of colloids are demonstrated using two counter-propagating cavity enhanced evanescent waves.

Original language	English
Article number	221116
Journal	Applied Physics Letters
Volume	88
Issue number	22
DOIs	https://doi.org/10.1063/1.2208272
Publication status	Published - 2006 May 29

Bibliographical note

Funding Information:
The authors would like to acknowledge the discussions of Professor G. Spalding and Professor M. Gu. M. Gu is supported by an EPSRC visiting fellowship. This work, as part of the European Science Foundation EUROCORES programme NOMSAN, was supported by funds from the UK Engineering and Physical Sciences Research Council and the EC Sixth framework programme and the European Commission 6th framework programme NEST ADVENTURE Activity, through Project ATOM-3D (Contract No. 508952).

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2208272

Cite this

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abstract = "We show that the forces associated with near-field optical micromanipulation can be greatly increased through the use of cavity enhanced evanescent waves. This approach utilizes a resonant dielectric waveguide structure and a prism coupler to produce Fabry-Ṕrot-like cavity modes at a dielectric-fluid interface. Fabricated structures show a ten times enhancement in the optical interaction and optical force for micrometer-sized colloids. In addition, stable accumulation and ordering of large scale arrays of colloids are demonstrated using two counter-propagating cavity enhanced evanescent waves.",

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Near-field optical micromanipulation with cavity enhanced evanescent waves

Abstract

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