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Checkup for aging artwork—Optical tools to monitor mechanical behaviour
Deterioration of artwork is often connected to mechanical material degradation that starts on microscopic scales. Insight into decay mechanisms can therefore be obtained by monitoring microscopic deformation and displacement fields. Thus, the proper optical methods become an ideal tool for restorers...
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Published in: | Optics and lasers in engineering 2007-05, Vol.45 (5), p.578-588 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Deterioration of artwork is often connected to mechanical material degradation that starts on microscopic scales. Insight into decay mechanisms can therefore be obtained by monitoring microscopic deformation and displacement fields. Thus, the proper optical methods become an ideal tool for restorers and conservators, the more as they are non-intrusive and remotely applicable. We show how the scope of modern coherent metrology can be adapted to this aim. Refinements of correlation imaging, speckle interferometry and low-coherence detection provide a wealth of methods that have been applied successfully in historical objects. |
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ISSN: | 0143-8166 1873-0302 |
DOI: | 10.1016/j.optlaseng.2006.08.002 |