Papyrus imaging with terahertz time domain spectroscopy

J. Labaune 1, 2 J.B. Jackson 1 S. Pagès-Camagna 2 I.N. Duling 3 M. Menu 2 Gérard Mourou 1
1 ILE - Institut de la Lumiére Extrême
2 C2RMF - Centre de recherche et de restauration des musées de France
3 Picometrix
Abstract : Terahertz time domain spectroscopic imaging (THz-TDSI) is a non-ionizing, non-contact and non-destructive measurement technique that has been recently utilized to study cultural heritage artifacts. We will present this technique and the results of non-contact measurements of papyrus texts, including images of hidden papyri. Inks for modern papyrus specimens were prepared using the historical binder, Arabic gum, and two common pigments used to write ancient texts, carbon black and red ochre. The samples were scanned in reflection at normal incidence with a pulse with a spectral range between 0.1 and 1.5 THz. Temporal analysis of the signals provides the depths of the layers, and their frequency spectra give information about the inks. © Springer-Verlag 2010.
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Submitted on : Wednesday, July 10, 2013 - 1:41:31 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:04 AM

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J. Labaune, J.B. Jackson, S. Pagès-Camagna, I.N. Duling, M. Menu, et al.. Papyrus imaging with terahertz time domain spectroscopy. Applied physics. A, Materials science & processing, Springer Verlag, 2010, 100 (3), pp.607-612. ⟨10.1007/s00339-010-5693-1⟩. ⟨hal-00838483⟩

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