Fiber-Drawn Metamaterial for THz Waveguiding and Imaging

Shaghik Atakaramians, Alessio Stefani, Haisu Li, Md. Samiul Habib, Juliano Grigoleto Hayashi, Alessandro Tuniz, Xiaoli Tang, Jessienta Anthony, Richard Lwin, Alexander Argyros, Simon C. Fleming, Boris T. Kuhlmey

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Abstract

In this paper, we review the work of our group in fabricating metamaterials for terahertz (THz) applications by fiber drawing. We discuss the fabrication technique and the structures that can be obtained before focusing on two particular applications of terahertz metamaterials, i.e., waveguiding and sub-diffraction imaging. We show the experimental demonstration of THz radiation guidance through hollow core waveguides with metamaterial cladding, where substantial improvements were realized compared to conventional hollow core waveguides, such as reduction of size, greater flexibility, increased single-mode operating regime, and guiding due to magnetic and electric resonances. We also report recent and new experimental work on near- and far-field THz imaging using wire array metamaterials that are capable of resolving features as small as λ/28.
Original languageEnglish
JournalJournal of Infrared, Millimeter and Terahertz Waves
Volume38
Issue number9
Pages (from-to)1162-1178
Number of pages17
ISSN1866-6892
DOIs
Publication statusPublished - 2017

Keywords

  • Metamaterials
  • Terahertz
  • Waveguide
  • Wire array
  • Imaging
  • Fiber drawing

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