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Constrained power focusing of vector fields: an innovative globally optimal strategy

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  • Domenica A.M. Iero
  • Lorenzo Crocco
  • Tommaso Isernia

Abstract

This paper introduces and discusses an innovative approach to focus the electromagnetic power carried by a vector field into a target point, while keeping the field level bounded elsewhere. To overcome the complexity of the underlying NP-hard problem, we introduce a multi-objective optimization framework based on convex programming sub-problems. Notably, such a strategy has the unique capability of achieving the globally optimal solution by means of local search algorithms. A numerical analysis is reported to assess the methods’ performance, including a comparison with previous contributions. The proposed approach is herein presented in the case of 2D vector fields (transverse electric polarization) but it can be easily extended to the general 3D case.

Suggested Citation

  • Domenica A.M. Iero & Lorenzo Crocco & Tommaso Isernia, 2015. "Constrained power focusing of vector fields: an innovative globally optimal strategy," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 29(13), pages 1708-1719, September.
    • Handle: RePEc:taf:tewaxx:v:29:y:2015:i:13:p:1708-1719
    DOI: 10.1080/09205071.2015.1059292
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