Tutorial

Terahertz beamforming, from concepts to realizations

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

Research output: Contribution to journalReview article

14 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number051101
JournalAPL Photonics
Volume3
Issue number5
DOIs
Publication statusPublished - 2018 May 1

Fingerprint

beamforming
Beamforming
Terahertz waves
Optics
Microwaves
optics
microwaves
diffractive optics
electromagnetic spectra
Antenna phased arrays
Medical imaging
antenna arrays
wireless communication
phased arrays
Wavefronts
Antenna arrays
availability
Screening
Demonstrations
screening

ASJC Scopus subject areas

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

Cite this

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

Tutorial : Terahertz beamforming, from concepts to realizations. / Headland, Daniel; Monnai, Yasuaki; Abbott, Derek; Fumeaux, Christophe; Withayachumnankul, Withawat.

In: APL Photonics, Vol. 3, No. 5, 051101, 01.05.2018.

Research output: Contribution to journalReview article

Headland, D, Monnai, Y, Abbott, D, Fumeaux, C & Withayachumnankul, W 2018, 'Tutorial: Terahertz beamforming, from concepts to realizations', APL Photonics, vol. 3, no. 5, 051101. https://doi.org/10.1063/1.5011063
Headland D, Monnai Y, Abbott D, Fumeaux C, Withayachumnankul W. Tutorial: Terahertz beamforming, from concepts to realizations. APL Photonics. 2018 May 1;3(5). 051101. https://doi.org/10.1063/1.5011063
Headland, Daniel ; Monnai, Yasuaki ; Abbott, Derek ; Fumeaux, Christophe ; Withayachumnankul, Withawat. / Tutorial : Terahertz beamforming, from concepts to realizations. In: APL Photonics. 2018 ; Vol. 3, No. 5.
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