Terahertz time domain imaging and optical coherence tomography for the subsurface noninvasive inspection of a 21st dynasty Egyptian coffin

Corinna L. Koch Dandolo; Lucile Brunel-Duverger; David Giovannacci; Ruven Pillay; Maxime Lopez; Xueshi Bai; Sandrine Pagès-Camagna; Nancy Brodie-Linder; Michel Menu; Vincent Detalle

doi:10.1117/12.2527106

12 July 2019 Terahertz time domain imaging and optical coherence tomography for the subsurface noninvasive inspection of a 21st dynasty Egyptian coffin

Corinna L. Koch Dandolo, Lucile Brunel-Duverger, David Giovannacci, Ruven Pillay, Maxime Lopez, Xueshi Bai, Sandrine Pagès-Camagna, Nancy Brodie-Linder, Michel Menu, Vincent Detalle

Author Affiliations +

Proceedings Volume 11058, Optics for Arts, Architecture, and Archaeology VII; 1105817 (2019) https://doi.org/10.1117/12.2527106
Event: SPIE Optical Metrology, 2019, Munich, Germany

Abstract

Terahertz time-domain imaging (THz-TDI) and Spectral domain optical coherence tomography (SD-OCT) are two investigation methods capable of providing 3D datasets from which depth profiles, cross-sectional images, plan-type images and volume rendering of an object can be derived. These novel photonic technologies are extremely relevant to the field of heritage science, for which the comprehension of the stratigraphic structure of a cultural heritage object may help in the understanding of its manufacturing technology and state of preservation. Different imaging depths, fields of view and axial/lateral resolutions characterize the two imaging technologies, which thus provide different but complementary information of the same scanned object. In this study we show how the THz-TDI and SD-OCT scans performed on a fragment from the underside of an Egyptian coffin (Theban area, 21st/22nd Dynasties, Egyptian Antiquities department of the Louvre museum, Paris, France) gave precious insights on its full structure and stratigraphy.

Conference Presentation

Citation Download Citation

Corinna L. Koch Dandolo, Lucile Brunel-Duverger, David Giovannacci, Ruven Pillay, Maxime Lopez, Xueshi Bai, Sandrine Pagès-Camagna, Nancy Brodie-Linder, Michel Menu, and Vincent Detalle "Terahertz time domain imaging and optical coherence tomography for the subsurface noninvasive inspection of a 21st dynasty Egyptian coffin", Proc. SPIE 11058, Optics for Arts, Architecture, and Archaeology VII, 1105817 (12 July 2019); https://doi.org/10.1117/12.2527106

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