Overview
ABSTRACT
Terahertz tomography is a non-destructive testing (NDT) technique allowing for analyzing and visualizing the internal structure of a 3D object. Its principle consists in recording on a detector adapted to this radiation, 2D images obtained from various angles and reconstructing with algorithms the cross-sections of the object. Due to its properties, this technique offers new perspectives in the NDT, in particular for the analysis of low-density industrial material, works of art and cultural inheritage materials.
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Read the articleAUTHORS
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Patrick MOUNAIX : CNRS Research Director at the Laboratoire Ondes et Matières d'Aquitaine (LOMA, formerly CPMOH – UMR 5798) in Talence,
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Benoit RECUR : CNRS Research Engineer at the Laboratoire Bordelais de Recherches en Informatique (LaBRI – UMR 5800) in Talence, France
INTRODUCTION
Field: Analytical techniques and spectroscopy
Degree of technology diffusion: Emergence | Growth | Maturity
Technologies involved: optics, electronics, optronics, signal processing, reconstruction
Applications: biology, environment, safety, culture
Main French players :
Competitive clusters: Route des Lasers™ (Aquitaine)
Competence centers: LOMA Laboratoire Ondes et Matière d'Aquitaine (CNRS), Centre technologique Alphanov, ARMIR, Association pour le Rayonnement, les Mesures et l'Imagerie Rapide, which includes a "Teranaute" club made up of a dozen university laboratories, major organizations and industrialists working in the field of terahertz waves. GDR international TERAHERTZ " Détecteurs et Émetteurs de Radiations Térahertz à Semi-conducteurs " (GDR CNRS 2897). This GDR federates collaboration between some twenty European and international laboratories working in the field of semiconductor components for THz wave technology.
Manufacturers: Nikon, Picometrix, Toptica Photonics, GigaOptics, Menlow, Synview
Contact : [email protected] , [email protected] , http://www.loma.cnrs.fr/SLAM/teraslam-terahertz-spectroscopy-and-imaging/
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Terahertz "T-ray" tomography
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