A Versatile Illumination System for Real-Time Terahertz Imaging

Autor: Jean-Baptiste Perraud, Adrien Chopard, Jean-Paul Guillet, Pierre Gellie, Antoine Vuillot, Patrick Mounaix

Publikováno v: Sensors, Vol 20, Iss 14, p 3993 (2020)

Terahertz technologies are attracting strong interest from high-end industrial fields, and particularly for non-destructive-testing purposes. Currently lacking compactness, integrability as well as adaptability for those implementations, the developm

Externí odkaz: https://doaj.org/article/f80fb232cbb24662aee178c83181867e

Characterization of Varnish Ageing and its Consequences on Terahertz Imagery: Demonstration on a Painting Presumed of the French Renaissance

Autor: Quentin Cassar, M. Roux, Jean-Paul Guillet, C.L. Koch-Dandolo, Frederic Fauquet, Patrick Mounaix, Jean-Baptiste Perraud

Publikováno v: Journal of Infrared, Millimeter and Terahertz Waves
Journal of Infrared, Millimeter and Terahertz Waves, Springer Verlag, 2020, 41 (12), pp.1556-1566. ⟨10.1007/s10762-020-00733-y⟩
Journal of Infrared, Millimeter and Terahertz Waves, Springer Verlag, 2020, ⟨10.1007/s10762-020-00733-y⟩

We report on advance developments of terahertz system data analysis for measuring the thicknesses of multiple films for non-contact control in heritage science. We provide the analysis of time-domain data regarding the measurements conducted on a Fre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc5187951236999cce71575768d69088
https://doi.org/10.1007/s10762-020-00733-y

Terahertz Diffractive Reflection Phase Imaging

Autor: Adrien Chopard, Jean-Baptiste Perraud, Olga A. Smolyanskaya, Patrick Mounaix, Jean-Paul Guillet, Nikolay V. Petrov

Publikováno v: 2020 45th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
2020 45th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Nov 2020, Buffalo, France. pp.1-1, ⟨10.1109/IRMMW-THz46771.2020.9370854⟩

Terahertz diffractive phase imaging is demonstrated by an iterative phase retrieval processing algorithm to assess the complex diffracted wave properties. We implemented this reflection geometry using a continuous wave system working at 0.3 THz. Targ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::996d41afedd1ee0d346fa46d500e5807
https://doi.org/10.1109/irmmw-thz46771.2020.9370854

Millimeter waves Radar: A way to see through the airplane covering?

Autor: Chopard, Adrien, Sleiman, Joyce, Cassar, Q., Fauché, P., Guillet, J., Mounaix, Patrick, Jean-Baptiste, Perraud, Susset, A.

Publikováno v: 11 symposium international : NDT in Aerospace
11 symposium international : NDT in Aerospace, Nov 2019, Saclay, France

International audience; The usability of Ultra Wide Band terahertz radar technique for inspection and imaging of objects of interest for the aeronautics industry is under investigation in this paper. Frequency-modulated continuous-wave (FMCW) radar p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0a94f3dac5d8e9b98b40a20e19123e29
https://hal.archives-ouvertes.fr/hal-02877339

Iterative Tree Algorithm to Evaluate Terahertz Signal Contribution of Specific Optical Paths within Multi-Layered Materials

Autor: Quentin Cassar, Patrick Mounaix, Frederic Fauquet, Jean-Baptiste Perraud, Adrien Chopard, Mingming Pan, Jean-Paul Guillet

Publikováno v: IEEE Transactions on Terahertz Science and Technology
IEEE Transactions on Terahertz Science and Technology, Institute of Electrical and Electronics Engineers, 2019, pp.1-1. ⟨10.1109/TTHZ.2019.2937208⟩

Terahertz time-domain spectroscopy is a specifically appropriated technique to analyze layered structure composition and dimension. Inverse electromagnetic problems are commonly solved to extract, from a recorded terahertz-signal, the distinctive lay

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b676c9f083c34d4e757b5762213cb155
https://hal.univ-grenoble-alpes.fr/hal-02335825