Efficient terahertz metasurface-based flat lens

Daniel Headland; Chun Chieh Chang; Derek Abbott; Withawat Withayachumnankul; Hou Tong Chen

doi:10.1109/IRMMW-THz.2017.8067113

Efficient terahertz metasurface-based flat lens

Daniel Headland, Chun Chieh Chang, Derek Abbott, Withawat Withayachumnankul, Hou Tong Chen

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

We present a nonuniform metasurface that operates as a flat lens at 400 GHz. Efficiency is enhanced by the use of a novel, tri-layer polarization-converting nonuniform meta-surface structure. The device is fabricated and experimentally characterized. The results confirm that the flat lens is indeed capable of focusing radiation to a focal spot with ∼68% efficiency. Constrained by spatial dispersion, the -3 dB bandwidth is 150 GHz.

Original language	English
Title of host publication	2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
Publisher	IEEE Computer Society
ISBN (Electronic)	9781509060481
DOIs	https://doi.org/10.1109/IRMMW-THz.2017.8067113
Publication status	Published - 2017 Oct 12
Externally published	Yes
Event	42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 - Cancun, Quintana Roo, Mexico Duration: 2017 Aug 27 → 2017 Sept 1

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Conference

Conference	42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
Country/Territory	Mexico
City	Cancun, Quintana Roo
Period	2017/08/27 → 2017/09/01

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/IRMMW-THz.2017.8067113

Cite this

Headland, D., Chang, C. C., Abbott, D., Withayachumnankul, W., & Chen, H. T. (2017). Efficient terahertz metasurface-based flat lens. In 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 Article 8067113 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz.2017.8067113

Efficient terahertz metasurface-based flat lens. / Headland, Daniel; Chang, Chun Chieh; Abbott, Derek et al.
2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017. IEEE Computer Society, 2017. 8067113 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Headland, D, Chang, CC, Abbott, D, Withayachumnankul, W & Chen, HT 2017, Efficient terahertz metasurface-based flat lens. in 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017., 8067113, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, IEEE Computer Society, 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017, Cancun, Quintana Roo, Mexico, 2017/08/27. https://doi.org/10.1109/IRMMW-THz.2017.8067113

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N2 - We present a nonuniform metasurface that operates as a flat lens at 400 GHz. Efficiency is enhanced by the use of a novel, tri-layer polarization-converting nonuniform meta-surface structure. The device is fabricated and experimentally characterized. The results confirm that the flat lens is indeed capable of focusing radiation to a focal spot with ∼68% efficiency. Constrained by spatial dispersion, the -3 dB bandwidth is 150 GHz.

AB - We present a nonuniform metasurface that operates as a flat lens at 400 GHz. Efficiency is enhanced by the use of a novel, tri-layer polarization-converting nonuniform meta-surface structure. The device is fabricated and experimentally characterized. The results confirm that the flat lens is indeed capable of focusing radiation to a focal spot with ∼68% efficiency. Constrained by spatial dispersion, the -3 dB bandwidth is 150 GHz.

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Efficient terahertz metasurface-based flat lens

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