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Proceedings Paper

In-depth assessment of modifications induced during the laser cleaning of modern paintings
Author(s): Alexandros Selimis; Panagiota Vounisiou; George J. Tserevelakis; Kristalia Melessanaki; Paraskevi Pouli; George Filippidis; Costas Beltsios; Savas Georgiou; Costas Fotakis
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Paper Abstract

A critical challenge for the broader implementation of laser cleaning interventions in modern paintings is the assessment of the extent of any photochemical or structural modifications induced in the original substrate following laser irradiation. For this reason, we investigate several polymeric materials (PMMA, Paraloid B72) doped with aromatic photosensitisers (PhenI, POPOP) of known photochemistry, coated with uniform layers of acrylics of different thicknesses to simulate real case scenarios. Following laser irradiation, a variety of spectroscopic techniques LIF, MPEF are employed for the in depth monitoring of any photochemical and structural modifications induced in the bulk material.

Paper Details

Date Published: 11 July 2009
PDF: 7 pages
Proc. SPIE 7391, O3A: Optics for Arts, Architecture, and Archaeology II, 73910U (11 July 2009); doi: 10.1117/12.827658
Show Author Affiliations
Alexandros Selimis, Foundation for Research and Technology-Hellas (Greece)
Univ. of Crete (Greece)
Panagiota Vounisiou, Foundation for Research and Technology-Hellas (Greece)
Univ. of Ioannina (Greece)
George J. Tserevelakis, Foundation for Research and Technology-Hellas (Greece)
Univ. of Crete (Greece)
Kristalia Melessanaki, Foundation for Research and Technology-Hellas (Greece)
Paraskevi Pouli, Foundation for Research and Technology-Hellas (Greece)
George Filippidis, Foundation for Research and Technology-Hellas (Greece)
Costas Beltsios, Univ. of Ioannina (Greece)
Savas Georgiou, Foundation for Research and Technology-Hellas (Greece)
Costas Fotakis, Foundation for Research and Technology-Hellas (Greece)
Univ. of Crete (Greece)


Published in SPIE Proceedings Vol. 7391:
O3A: Optics for Arts, Architecture, and Archaeology II
Luca Pezzati; Renzo Salimbeni, Editor(s)

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