Response of chiral sculptured thin films to dipolar sources

Akhlesh Lakhtakia, Martin W. McCall

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Dyadic Green functions (DGFs) are formulated, for a chiral sculptured thin film (STF) sandwiched between two vacuous half-spaces, as angular spectrums of propagating and evanescent plane waves. Asymptotic evaluation of the DGFs is carried out to obtain simple far-field expressions. The radiation patterns of dipolar sources held close to the chiral STF are computed and discussed, in relation to the circular Bragg phenomenon that the chosen nanomaterials are known to display on illumination by circularly polarized plane waves.

Original languageEnglish (US)
Pages (from-to)23-32
Number of pages10
JournalAEU - International Journal of Electronics and Communications
Issue number1
StatePublished - 2003

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


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