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Spectroscopy and terahertz imaging for sigillography applications

Patrick Mounaix 1 Ayesha Younus 1 Jean-Christophe Delagnes 1 Emmanuel Abraham 1 Lionel Canioni 1 M. Fabre 2
2 CRBC Brest - Centre de recherche bretonne et celtique
UBO - Université de Brest, IBSHS - Institut Brestois des Sciences de l'Homme et de la Société, CRBC - Centre de recherche bretonne et celtique
Abstract : Sigillography is the science that studies the manifold aspects of the seals. A seal can be defined as an imprint obtained on a malleable medium by imprinting an incised matrix, which transfers on it the characteristic signs of a person or an institution. We use THz spectroscopy and imaging for non-destructive evaluation of natural materials within old seals. Using a time domain THz spectroscopy and imaging system, THz transmission images are generated in the 0.1-3 THz range and demonstrate that the spectral properties of these materials allow to see across and under a thick layer of old materials.
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Submitted on : Wednesday, July 13, 2011 - 6:13:59 PM
Last modification on : Saturday, May 4, 2019 - 4:14:01 PM

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Patrick Mounaix, Ayesha Younus, Jean-Christophe Delagnes, Emmanuel Abraham, Lionel Canioni, et al.. Spectroscopy and terahertz imaging for sigillography applications. Journal of the European Optical Society : Rapid publications, European Optical Society, 2011, 6, pp.11002 (4). ⟨10.2971/jeos.2011.11002⟩. ⟨hal-00608690⟩



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