[Techniques innovantes d'analyse non invasive du patrimoine culturel basées sur les technologies térahertz]
La spectroscopie et l'imagerie dans le domaine térahertz présentent un grand potentiel pour l'analyse non invasive des œuvres d'art. Les ondes électromagnétiques térahertz traversent les matériaux opaques et ainsi peuvent être employées pour réaliser une cartographie à trois dimensions des œuvres d'art, cartographie non destructive et fournissant des informations spectrales. Plusieurs travaux d'analyse des œuvres d'art ont été publiés par différents instituts, mettant par exemple en évidence des images cachées sous les peintures. Nous avons réussi à obtenir la première image non invasive d'un chef d'œuvre de Giotto, résolue suivant l'épaisseur de la couche de peinture. Ces résultats démontrent les performances de la technologie térahertz dédiée à l'étude des œuvres d'art.
Terahertz (THz) spectroscopy and THz imaging techniques are expected to have great potential for carrying out the non-invasive analysis of artworks. THz waves can penetrate opaque materials and they can perform three-dimensional material mapping non-destructively by spectroscopic imaging. Several attempts have been made to analyse artworks. Clear results, such as imaging of hidden art by using model paintings, have been obtained by many institutions. We succeeded to observe the first ever non-invasive cross-sectional image of a tempera masterpiece by Giotto. These results prove that THz technology can yield useful information in art conservation science.
Mot clés : Térahertz, Patrimoine culturel, Essai non destructive
@article{CRPHYS_2010__11_7-8_519_0,
author = {Kaori Fukunaga and I. Hosako},
title = {Innovative non-invasive analysis techniques for cultural heritage using terahertz technology},
journal = {Comptes Rendus. Physique},
pages = {519--526},
publisher = {Elsevier},
volume = {11},
number = {7-8},
year = {2010},
doi = {10.1016/j.crhy.2010.05.004},
language = {en},
}
TY - JOUR AU - Kaori Fukunaga AU - I. Hosako TI - Innovative non-invasive analysis techniques for cultural heritage using terahertz technology JO - Comptes Rendus. Physique PY - 2010 SP - 519 EP - 526 VL - 11 IS - 7-8 PB - Elsevier DO - 10.1016/j.crhy.2010.05.004 LA - en ID - CRPHYS_2010__11_7-8_519_0 ER -
Kaori Fukunaga; I. Hosako. Innovative non-invasive analysis techniques for cultural heritage using terahertz technology. Comptes Rendus. Physique, Volume 11 (2010) no. 7-8, pp. 519-526. doi : 10.1016/j.crhy.2010.05.004. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2010.05.004/
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