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Quizzed article | REF: RE172 V1

Terahertz "T-ray" tomography

Authors: Patrick MOUNAIX, Benoit RECUR

Publication date: August 10, 2012, Review date: March 24, 2022 | Lire en français

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    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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    AUTHORS

    • Patrick MOUNAIX: CNRS Research Director at the Laboratoire Ondes et Matières d'Aquitaine (LOMA, formerly CPMOH – UMR 5798) in Talence,

    • Benoit RECUR: CNRS Research Engineer at the Laboratoire Bordelais de Recherches en Informatique (LaBRI – UMR 5800) in Talence, France

     INTRODUCTION

    Key points

    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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