Scientific Results

Thermal quasi-reflectography: a new imaging tool in art conservation

Year: 2012

Authors: Daffara C., Ambrosini D., Pezzati L., Paoletti D.

Autors Affiliation: Dipartimento di Informatica, Università di Verona, Strada le Grazie 15, I-37134 Verona, Italy; DIMEG, Università dell’Aquila, Via G. Gronchi 18, I-67100 L’Aquila, Italy; CNR – Istituto Nazionale di Ottica, Largo E. Fermi 6, I-50125 Firenze, Italy

Abstract: In the artwork conservation field, non contact diagnostic and imaging methods are widely used and most welcomed. In this work a new imaging tool, called Thermal Quasi-Reflectography (TQR), is proposed and demonstrated. It is based on the recording, by suitable procedures, of reflected infrared radiation in the MWIR band (3-5 mu m). The technique, simple to perform, can provide very interesting results in the analysis of the painting surfaces. TQR was demonstrated in situ on two famous artworks: the Zavattari\’s frescos in the Chapel of Theodelinda (Italy) and the masterpiece by Piero della Francesca \”The Resurrection\” (Italy). (C) 2012 Optical Society of America

Journal/Review: OPTICS EXPRESS

Volume: 20 (13)      Pages from: 14746  to: 14753

More Information: OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA

KeyWords: Optics; Cultural Heritage; Conservation; quasi-reflectography;
DOI: 10.1364/OE.20.014746

Citations: 24
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English