| Pure angular momentum generator using a ring resonator. | |
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MedLine Citation:
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PMID: 20941064 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This paper reports a pure angular momentum generator using a ring resonator surrounded by a group of nano-rods. The evanescent waves of the circulating light in the ring are scattered by the nano-rods and generate a rotating electromagnetic field, which has only angular momentum but no linear momentum along the axis of rotation. The angular order is determined by the difference between the order of Whispering Gallery mode and the number of the rods, the rotating frequency is equal to the light frequency divided by the angular order. The maximum amplitude of the rotating electromagnetic fields can be 10 times higher than the amplitude of the input field when there are 36 rods (R(rod) = 120 nm, nr = 1.6). The pure angular momentum generator provides a new platform for trapping and rotation of small particles. |
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Authors:
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Y F Yu; Y H Fu; X M Zhang; A Q Liu; T Bourouina; T Mei; Z X Shen; D P Tsai |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Optics express Volume: 18 ISSN: 1094-4087 ISO Abbreviation: Opt Express Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-10-13 Completed Date: 2011-01-12 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137103 Medline TA: Opt Express Country: United States |
Other Details:
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Languages: eng Pagination: 21651-62 Citation Subset: IM |
Affiliation:
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School of Electrical & Electronic Engineering, Nanyang Technological University, 639798 Singapore. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Biocompatible Materials
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chemistry Biophysics / methods Lasers Light Models, Theoretical Nanoparticles / chemistry* Nanotechnology / methods* Optics and Photonics* Physics / methods Radiation Scattering, Radiation |
| Chemical | |
Reg. No./Substance:
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0/Biocompatible Materials |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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