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Proceedings Paper

Optical thickness of a plant leaf measured with THz pulse echoes
Author(s): Yannick Abautret; Dominique Coquillat; Myriam Zerrad; Ryad Bendoula; Gabriel Soriano; Daphné Héran; Bruno Grèzes-Besset; Frédéric Chazallet; Claude Amra
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Paper Abstract

We analyze Terahertz (THz) echoes by reflection on a sunflower leaf in order to evaluate the internal leaf structure (geometry, complex indices and thicknesses). The analysis is based on the thin film multilayer formalism in time and frequency domains. A high agreement is emphasized between experiment and theory, and we evaluate how realistic the multilayer solution can be in regard to our knowledge related to the sunflower leaf. A test campaign is performed in Charles Coulomb laboratory, which is equipped with the THz spectrometer.

Paper Details

Date Published: 2 March 2020
PDF: 7 pages
Proc. SPIE 11279, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII, 112790L (2 March 2020); doi: 10.1117/12.2543710
Show Author Affiliations
Yannick Abautret, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Dominique Coquillat, Lab. Charles Coulomb, Univ. de Montpellier, CNRS (France)
Myriam Zerrad, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Ryad Bendoula, Univ. Montpellier (France)
Gabriel Soriano, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Daphné Héran, Univ. Montpellier (France)
Bruno Grèzes-Besset, Innolea (France)
Frédéric Chazallet, Shakti (France)
Claude Amra, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)


Published in SPIE Proceedings Vol. 11279:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII
Laurence P. Sadwick; Tianxin Yang, Editor(s)

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