On localizing and concentrating electromagnetic fields

Bastian Harrach, Yi-Hsuan Lin, Hongyu Liu

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


We consider field localizing and concentration of electromagnetic waves governed by the time-harmonic anisotropic Maxwell system in a bounded domain. It is shown that there always exist certain boundary inputs which can generate electromagnetic fields with the energy localized/concentrated in a given subdomain while nearly vanishing in another given subdomain. The theoretical results may have potential applications in telecommunication, inductive charging, and medical therapy. We also derive a related Runge approximation result for the time-harmonic anisotropic Maxwell system with partial boundary data.

Original languageEnglish
Pages (from-to)2558-2574
Number of pages17
JournalSIAM Journal on Applied Mathematics
Issue number5
StatePublished - 1 Jan 2018


  • Anisotropic Maxwell system
  • Electromagnetic waves
  • Localizing and concentration
  • Partial data
  • Runge approximation

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