volume | PIER Journals

2014-12-05

Optical Theorem for Transmission Lines

Edwin A. Marengo,

Dr. Edwin A. Marengo

Department of Electrical and Computer Engineering

Northeastern University

USA

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Jing Tu

Dr. Jing Tu

Department of Electrical and Computer Engineering

Northeastern University

USA

Homepage

Progress In Electromagnetics Research B, Vol. 61, 253-268, 2014

doi:10.2528/PIERB14090905

Abstract

We present the application to transmission line systems of a new theory of the optical theorem that describes the energy budget of electromagnetic scattering in lossless wave propagation media. The insight gained by exploring this, simplest of the electromagnetic wave propagation systems from the point of view of the optical theorem, is important for understanding power budget of electromagnetic scattering due to the presence of targets in a medium, and of changes of loads due to parasitics, faults, switching, and other reasons, in transmission lines, with applications to quality control in manufacturing, self-monitoring of microwave circuits, and the detection of load changes and faults in power transmission and distribution systems. The results also apply to more general electromagnetic propagation systems and are relevant for the development of novel electromagnetic (e.g., microwave, terahertz) and optical sensors.

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Edwin A. Marengo, and Jing Tu, "Optical Theorem for Transmission Lines," Progress In Electromagnetics Research B, Vol. 61, 253-268, 2014.
doi:10.2528/PIERB14090905

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