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Article | REF: RE213 V1

Terahertz radiation for the analysis of cultural heritage materials

Authors: Julien LABAUNE, Emmanuel ABRAHAM

Publication date: February 10, 2013 | Lire en français

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    AUTHORS

    • Julien LABAUNE: Doctorate from the École polytechnique (C2RMF), - ONERA engineer (DMPH-FPA)

    • Emmanuel ABRAHAM: Senior Lecturer (HDR), Laboratoire ondes et matière d'Aquitaine (LOMA), CNRS UMR 5798, Université Bordeaux 1

     INTRODUCTION

    Summary

    Thanks to its ability to penetrate many opaque materials, terahertz radiation undoubtedly offers considerable advantages for the analysis of objects from our cultural heritage. This article summarizes the recent results we have achieved in this field, using two complementary, portable terahertz imaging systems made available to national and international museums.

    Abstract

    Terahertz radiation, owing to a high penetration through numerous opaque materials, offers a great potential for the analysis of artifacts related to our cultural heritage. In order to convince the reader, we propose in this article to resume our recent results obtained in this domain with two complementary portable terahertz imaging systems, directly installed in national and international museums.

    Keywords

    Imaging, spectroscopy, terahertz, paintings, frescoes, sculptures

    Keywords

    Imaging, spectroscopy, terahertz, paintings, frescoes, sculptures

    Key points

    Field: imaging and analysis techniques

    Degree of technology diffusion: Emergence | Growth | Maturity

    Technologies involved: optics, electronics, signal processing, image processing, reconstruction algorithms

    Applications: heritage, archaeology, anthropology, safety

    Main French players :

    Competitive clusters: Route des Lasers (Aquitaine)

    Competence centers :

    • Center de recherche et de restauration des Musées de France (C2RMF) ;

    • Laboratoire ondes et matière d'Aquitaine (LOMA) ;

    • ALPhANOV, Centre technologique optique et lasers (Bordeaux) ;

    • CHARISMA: Cultural Heritage Advanced Research Infrastructure, a European project to pool scientific infrastructures for the benefit of curators.

    Industry: CIRAM, Scientific analysis of art and heritage objects

    Other global players: National Institute of Information and Communications Technology (NICT, Japan), Picometrix (USA), Teraview (UK), GigaOptics

    Contact: [email protected]http://www.loma.cnrs.fr/spip.php?auteur6

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