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Quizzed article | REF: RE143 V1

Terahertz spectral imaging

Author: Patrick MOUNAIX

Publication date: May 10, 2010, Review date: February 18, 2020 | Lire en français

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    Overview

    ABSTRACT

    Terahertz electromagnetic waves have aroused the curiosity and enthusiasm of scientists and industrialists as they allow for a chemical analysis of materials in surface and volume. Complementary to existing technologies, terahertz spectral imaging presents a considerable potential for applications in the fields of biology, safety and the environment, for instance. This article recalls the fundamentals, limitations and latest evolutions in this rapidly developing field.

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    AUTHOR

    • Patrick MOUNAIX: CNRS research fellow at the Center for Optical and Hertzian Molecular Physics (CPMOH UMR 5798) in Talence (33)

     INTRODUCTION

    Key points

    Field: Imaging and analysis techniques

    Degree of technology diffusion: Emergence | Growth | Maturity

    Technologies involved: Optics, electronics, optronics, image processing

    Applications: Biology, environment, safety

    Main French players :

    Competitiveness cluster: Route des Lasers' (Aquitaine)

    Competence centers :

    • Center de Physique Moléculaire Optique et Hertzienne CPMOH (CNRS) ;

    • Alphanov Technology Center ;

    • ARMIR Association pour le Rayonnement, les Mesures et l'Imagerie Rapide, which includes the "Teranaute" club;

    • GDR Européen TÉRAHERTZ "Détecteurs et Émetteurs de Radiations Térahertz à Semi-conducteurs" (GDR CNRS 2897).

    Manufacturers: I2S

    Other global players: Nikon, Picometrix, Toptica Photonics, GigaOptics...

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