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      Fully-Non-Contact Masking-Based Holography Inspection on Dimensionally Responsive Artwork Materials

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          Abstract

          Environmental control in galleries and museums is a necessity and is informed by the knowledge of ongoing processes of deterioration which can threaten the integrity and stability of artworks. Invisible dimensional changes in many works of art occur following environmental fluctuations as materials respond to the changes in humidity and temperature. The constant influence of dimensional changes usually remains invisible until displacement generates visible deterioration and irreversible damage. This paper exploits fully non contact coherent interferometry in a sequential masking procedure for visualising and studying surface deformation which is the direct effect of dimensional alterations induced by humidity changes. Surface deformation during dimensional displacements of constituent materials may occur on any artwork within an unstable environment. In this context, the presented research study explores the diagnostic potential of fully non contact sensors for the direct structural assessment of environmental effects as they occur in real time on works of art. The method is employed to characterise material responses, complementing and improving understanding of material behaviour in unstable environments.

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          Most cited references 49

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          Wood-Water Relations

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            Science and Technology of Wood. Structure, properties, utilization

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              Optical Holography

               P Hariharan (2012)
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                Author and article information

                Journal
                Sensors (Basel)
                Sensors (Basel)
                Sensors (Basel, Switzerland)
                Molecular Diversity Preservation International (MDPI)
                1424-8220
                December 2008
                18 December 2008
                : 8
                : 12
                : 8401-8422
                Affiliations
                [1 ] Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL–FORTH), P.O. Box 1527, 71110 Heraklion, Crete, Greece; E-Mails: ebern@ 123456iesl.forth.gr ; austinnevin@ 123456gmail.com ; fotakis@ 123456iesl.forth.gr
                [2 ] National Gallery of Athens, Department of Conservation, Michalakopoulou 1, Athens, Greece; E-Mails: ekouloumpi@ 123456nationalgallery.gr ; mdoulgeridis@ 123456nationalgallery.gr
                Author notes
                [* ] Author to whom correspondence should be addressed; vivitor@ 123456iesl.forth.gr ; Tel.: (0030) 2810 391394; Fax: (0030) 2810 391318
                Article
                sensors-08-08401
                10.3390/s8128401
                3791024
                © 2008 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

                This article is an open-access article distributed under the terms and conditions of the CreativeCommons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

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