Tutorial: Terahertz beamforming, from concepts to realizations

Daniel Headland, Yasuaki Monnai, Derek Abbott, Christophe Fumeaux, Withawat Withayachumnankul

研究成果: Review article

30 引用 (Scopus)

抜粋

The terahertz range possesses significant untapped potential for applications including high-volume wireless communications, noninvasive medical imaging, sensing, and safe security screening. However, due to the unique characteristics and constraints of terahertz waves, the vast majority of these applications are entirely dependent upon the availability of beam control techniques. Thus, the development of advanced terahertz-range beam control techniques yields a range of useful and unparalleled applications. This article provides an overview and tutorial on terahertz beam control. The underlying principles of wavefront engineering include array antenna theory and diffraction optics, which are drawn from the neighboring microwave and optical regimes, respectively. As both principles are applicable across the electromagnetic spectrum, they are reconciled in this overview. This provides a useful foundation for investigations into beam control in the terahertz range, which lies between microwaves and infrared light. Thereafter, noteworthy experimental demonstrations of beam control in the terahertz range are discussed, and these include geometric optics, phased array devices, leaky-wave antennas, reflectarrays, and transmitarrays. These techniques are compared and contrasted for their suitability in applications of terahertz waves.

元の言語English
記事番号051101
ジャーナルAPL Photonics
3
発行部数5
DOI
出版物ステータスPublished - 2018 5 1

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Atomic and Molecular Physics, and Optics

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    Headland, D., Monnai, Y., Abbott, D., Fumeaux, C., & Withayachumnankul, W. (2018). Tutorial: Terahertz beamforming, from concepts to realizations. APL Photonics, 3(5), [051101]. https://doi.org/10.1063/1.5011063