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Ploschner2010OpticalForcesNearANanoantenna.pdf2.74 MBAdobe PDFView/Open
Title: Optical forces near a nanoantenna
Authors: Ploschner, Martin
Mazilu, Michael
Krauss, Thomas F.
Dholakia, Kishan
Keywords: Force
Maxwell stress tensor
QC Physics
Issue Date: 4-Feb-2010
Citation: Ploschner , M , Mazilu , M , Krauss , T F & Dholakia , K 2010 , ' Optical forces near a nanoantenna ' Journal of Nanophotonics , vol 4 , 041570 . , 10.1117/1.3332850
Abstract: The Maxwell stress tensor method is used to calculate the optical forces acting upon a glass nanosphere in the proximity of optically excited gold nanoantenna structures. The dependence of optical forces over a full range of excitation angles is explored: the total internal reflection excitation does not bring any particular advantage to trapping efficiency when compared to the normal incidence excitation. Our calculations show multiple trapping sites with similar trapping properties for the normal and the total internal reflection cases, respectively; furthermore, the convective heating probably dominates over any optical forces in such systems.
Version: Postprint
Description: Partially funded by UK EPSRC
Status: Peer reviewed
ISSN: 1934-2608
Type: Journal article
Rights: Copyright 2010 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Appears in Collections:University of St Andrews Research
Physics & Astronomy Research

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