On the Absorption of Electromagnetic Waves by a Linear Lattice of Electric Currents and their Reaction Forces

We consider a quarter-wave linear lattice of electric currents (Hertzian dipoles) that absorbs power from an incident wave proportional to the square of the number of currents and square of wavelength, independent or the lattice's geometric dimensions. It was found out numerically that the phase structure of optimal absorption currents exhibits binary alternating values with spatial periodicity. The corresponding constant in time Ampere forces are also estimated: (a) the total force with which the incident wave acts on the all currents and (b) the total force of interaction between the currents. These two total forces mutually compensate each other. Analogous problems are considered also for one-dimensional actively absorbing Huygens source and the case of dissipative passive bulk absorption are considered too.

Keywords

Absorption cross-section; Ampere forces; given currents; active absorption; collec-tive resonance; forces of wave reaction; Huygens source; passive absorption; dis-sipative bulk absorption

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How to cite this paper

On the Absorption of Electromagnetic Waves by a Linear Lattice of Electric Currents and their Reaction Forces

How to cite this paper: Vladimir Arabadzhi. (2025) On the Absorption of Electromagnetic Waves by a Linear Lattice of Electric Currents and their Reaction Forces. Frontiers in Electrical and Electronic Engineering, 1(1), 30-37.

DOI: http://dx.doi.org/10.26855/feee.2025.06.007

Frontiers in Electrical and Electronic Engineering

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On the Absorption of Electromagnetic Waves by a Linear Lattice of Electric Currents and their Reaction Forces

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