期刊
APPLIED PHYSICS LETTERS
卷 88, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2208272
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资金
- Engineering and Physical Sciences Research Council [GR/S78568/01] Funding Source: researchfish
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-Perot-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. (c) 2006 American Institute of Physics.
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