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Transverse electric and transverse magnetic pulsed-beam decomposition of time-dependent aperture fields.

作者信息

Melamed Timor, Abuhasira Dor, Dayan David

机构信息

Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel.

出版信息

J Opt Soc Am A Opt Image Sci Vis. 2012 Jun 1;29(6):1115-23. doi: 10.1364/JOSAA.29.001115.

DOI:10.1364/JOSAA.29.001115
PMID:22673443
Abstract

The present contribution is concerned with applying beam-type expansion to a planar aperture time-dependent (TD) electromagnetic field in which the propagating elements, the electromagnetic pulsed-beams, are a priori decomposed into transverse electric (TE) and transverse magnetic (TM) field polarizations. The propagating field is described as a discrete superposition of tilted, shifted, and delayed TE and TM electromagnetic pulsed-beam propagators over the frame spectral lattice. These waveobjects are evaluated by using TD plane-wave spectral representations. Explicit asymptotic expressions for electromagnetic isodiffracting pulsed-quadratic beam propagators are presented, as well as a numerical example.

摘要

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