Transmission through single and multiple layers of plant leaves at THz frequencies

Afsharinejad, Armita and Davy, Alan and O'Leary, Paul and Brenann, Conor (2017) Transmission through single and multiple layers of plant leaves at THz frequencies. In: 2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings :. 2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings . Institute of Electrical and Electronics Engineers Inc., SGP, pp. 1-6. ISBN 9781509050192

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Abstract

By focusing on the diverse range of applications that THz communications/technology can offer, specifically in the domain of advanced agricultural systems, we define a theoretical model for an approximation of the transmitted/reflected electric fields for THz radiation through plant leaves. The provided model can be modified to accommodate scenarios with single or multiple layers of leaves, given the permittivity of specific leaf types. In addition, we provide measured results of the permittivity of coffee leaves in the range of 0.3-2 THz. Based on the measured data and the provided model, we analyse the effect of various parameters, e.g., the leaf thickness, the separation distance between leaves and the transmission frequency, on the total transmitted/reflected fields. The results indicate the significant impact of the transmission frequency and the leaf attributes on degrading the THz signal, which can challenge the feasibility of the mentioned applications.

Item Type:	Book Section
Additional Information:	Funding Information: This work was funded by Science Foundation Ireland via the CONNECT Research Centre grant no. 13/RC/2077 and also under grant no. SFI/12/RC/2289. The authors wish to thank Dr. Akram Alomainy in the antenna group of Queen Mary University of London for his support to carry out the measurements. Publisher Copyright: © 2017 IEEE.
Uncontrolled Keywords:	/dk/atira/pure/subjectarea/asjc/1700/1705
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Depositing User:	Admin SSL
Date Deposited:	19 Oct 2022 23:16
Last Modified:	07 Jun 2023 18:39
URI:	http://repository-testing.wit.ie/id/eprint/5034

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