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SUMMARY:Spectral domain modeling of a circular nano-aperture in a conducti
 ng screen
DTSTART;VALUE=DATE:20130626
DTSTAMP:20260427T225528Z
UID:fa972219af0a0368903b210c99ad2fab496967d2cc13b5b97a51dae8
CATEGORIES:Conferences - Seminars
DESCRIPTION:Krzysztof A. Michalski\, Fellow IEEE\, Texas A&M University\nB
 io: Dr. Krzysztof A. Michalski received the MS degree from the Wroclaw Tec
 hnological University\, Poland\, in 1974\, and the PhD degree from the Uni
 versity of Kentucky\, Lexington\, in 1981\, both in electrical engineering
 . From 1982 to 1986 he was with the University of Mississippi\, and since 
 1987 he has been with Texas A&M University. Over the years\, he also held 
 visiting appointments with Ecole Polytechnique Fédérale de Lausanne\, Un
 iversité de Nice–Sophia Antipolis\, Universitat Politecnica de Cataluny
 a\, and Technische Universität München\, and served as visiting scientis
 t with Sandia Laboratories and the National Institute of Standards and Tec
 hnology. His research interests are in electromagnetic theory and computat
 ional electromagnetics\, with emphasis on Green function methods and layer
 ed media. Dr. Michalski is an IEEE Fellow and a recipient of the Oliver Lo
 dge Premium from IEE.\nThe electromagnetic field transmitted by a subwavel
 ength circular aperture in a perfectly conducting screen of infinitesimal 
 thickness illuminated by an obliquely incident plane wave is analyzed base
 d on the Bethe-Bouwkamp quasi-static model of the field in the aperture pl
 ane. The problem is formulated in the spectral domain and the solution is 
 expressed in terms of one-dimensional Hankel transform integrals\, which a
 re efficiently evaluated by numerical quadrature with extrapolation. From 
 these integral representations\, closed form expressions are also derived 
 for the transmitted near-zone and far-zone fields. Sample numerical result
 s are presented to demonstrate the utility of the method in the modeling o
 f aperture-type near-field optical probes.
LOCATION:DIA 003 http://plan.epfl.ch/?lang=en&room=dia+003
STATUS:CONFIRMED
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