The Time-Domain Optical Theorem in Antenna Theory

Journal article (2015)

Authors

M. Stumpf Brno University of Technology
I.E. Lager Tera-Hertz Sensing - EEMCS
Research Group
Tera-Hertz Sensing (EEMCS) (TU Delft)
Copyright: © 2015 M. Stumpf, I.E. Lager
DOI: https://doi.org/10.1109/LAWP.2014.2384008
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Published Date

2015

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Tera-Hertz Sensing

Abstract

A special form of the time-domain optical theorem related to a general receiving antenna system is rigorously derived. It is shown that the total energies dissipated in the antenna load and in the antenna system itself can be directly related to the electromagnetic energy of the scattered field and its time-domain far-field
characteristics. A practical implication of the result in optimizing antenna scattering properties with regard to the maximum energy dissipated in the antenna loading is discussed.

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