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Optical Eigenmodes; exploiting the quadratic nature of the energy flux and of scattering interactions

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Opt_Express_2011_Mazilu.pdf (2.162Mb)
Date
17/01/2011
Author
Mazilu, M.
Baumgartl, J.
Kosmeier, S.
Dholakia, K.
Keywords
Light
Beams
QC Physics
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Abstract
We report a mathematically rigorous technique which facilitates the optimization of various optical properties of electromagnetic fields in free space and including scattering interactions. The technique exploits the linearity of electromagnetic fields along with the quadratic nature of the intensity to define specific Optical Eigenmodes (OEi) that are pertinent to the interaction considered. Key applications include the optimization of the size of a focused spot, the transmission through sub-wavelength apertures, and of the optical force acting on microparticles. We verify experimentally the OEi approach by minimising the size of a focused optical field using a superposition of Bessel beams. (C) 2011 Optical Society of America
Citation
Mazilu , M , Baumgartl , J , Kosmeier , S & Dholakia , K 2011 , ' Optical Eigenmodes; exploiting the quadratic nature of the energy flux and of scattering interactions ' , Optics Express , vol. 19 , no. 2 , pp. 933-945 . https://doi.org/10.1364/OE.19.000933
Publication
Optics Express
Status
Peer reviewed
DOI
https://doi.org/10.1364/OE.19.000933
ISSN
1094-4087
Type
Journal article
Rights
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-2-933. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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  • University of St Andrews Research
URL
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-2-933
URI
http://hdl.handle.net/10023/1805

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