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- Mohamed R Khodja, Edwin A Marengo
- Physical review. E, Statistical, nonlinear, and…
- 2008

In this paper the formalism of the electromagnetic inverse source theory is used to investigate radiation enhancement due to antenna substrates. Particular attention is given to sources that are confined within a spherical volume and are embedded within two nested spheres of arbitrary materials. Emphasis is given to the special case when the two nested… (More)

- Edwin A. Marengo, Mohamed R. Khodja, Abdelkader Boucherif
- SIAM Journal of Applied Mathematics
- 2008

This paper solves analytically and illustrates numerically the full-vector, electromagnetic inverse source problem of synthesizing an unknown source embedded in a given substrate medium of volume V and radiating a prescribed exterior field. The derived formulation and results generalize previous work on the scalar version of the problem, especially the… (More)

- Edwin A Marengo, Mohamed R Khodja
- Physical review. E, Statistical, nonlinear, and…
- 2006

The nonrelativistic Larmor radiation formula, giving the power radiated by an accelerated charged point particle, is generalized for a spatially extended particle in the context of the classical charged harmonic oscillator. The particle is modeled as a spherically symmetric rigid charge distribution that possesses both translational and spinning degrees of… (More)

Abstract: A mathematical inverse source theory in substrate media is derived, with applications to analysis, source-synthesis and characterization of antennas embedded in substrates. The developed theory, which is based on optimization theory, and the associated computer illustrations, shed basic understanding, from first principles, of radiation… (More)

We present a comparative study on radiation enhancement due to metamaterial antenna substrates. The study is performed via electromagnetic inverse source theory and constrained optimization. The aim of the study is to understand the effect of reference antennas on enhancement level estimates. The geometry of the problem is that of a piecewise-constant,… (More)

This research explores possibilities and limitations of employing the Aharonov-Bohm (AB) effect [1, 2] for use in electronic remote sensing and communications based on electromagnetic potentials {Aμ} ≡ (A,Φ/c), wherein c is the velocity of light and SI units are employed. In classical electromagnetic theory, such gauge potentials are introduced as… (More)

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