Vol. 76

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2018-05-27

An Efficient Method for Computing the Interaction of Open Ended Circular Waveguide with a Layered Media

By Parul Mathur, Dhanesh G. Kurup, Mauricio D. Perez, Syaiful Redzwan Mohd Shah, Jacob Velander, and Robin Augustine
Progress In Electromagnetics Research Letters, Vol. 76, 55-61, 2018
doi:10.2528/PIERL18021602

Abstract

This article presents a new method for studying the near-field electromagnetic interaction between a dielectric filled open ended circular waveguide (OECW) and a layered dielectric structure. The proposed model is based on plane wave spectrum theory using a novel and computationally efficient two step integration method. The first integral, involving multiple singularities in the integration path, is efficiently solved using a deformed elliptical integration path which encircles the singularities of the integral. The infinite domain tail integral involving the slowly converging integrand is further solved using an efficient trigonometric transformation. The proposed OECW based method is capable of determining the unknown material properties of any layered dielectric medium, and hence finds application in nondestructive evaluation of materials.

Citation


Parul Mathur, Dhanesh G. Kurup, Mauricio D. Perez, Syaiful Redzwan Mohd Shah, Jacob Velander, and Robin Augustine, "An Efficient Method for Computing the Interaction of Open Ended Circular Waveguide with a Layered Media," Progress In Electromagnetics Research Letters, Vol. 76, 55-61, 2018.
doi:10.2528/PIERL18021602
http://www.jpier.org/PIERL/pier.php?paper=18021602

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