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Ultrafast laser ablation for restoration of heritage objects

โœ Scribed by A.V. Rode; K.G.H. Baldwin; A. Wain; N.R. Madsen; D. Freeman; Ph. Delaporte; B. Luther-Davies

Book ID
104002241
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
948 KB
Volume
254
Category
Article
ISSN
0169-4332

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โœฆ Synopsis

Powerful ultrafast laser pulses have a unique capability to ablate material from the surface without heat propagation into the bulk due to the nonlinear nature of the laser-surface interaction. This quality offers a new application of ultrafast lasers for restoration of objects of art and heritage artefacts. We discuss the laser-based cleaning methods used in art restoration, analyse the potential advantages and challenges of using ultrafast laser pulses, and present new encouraging results on using ultrafast lasers in the field of heritage conservation.

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## Abstract Potential applications of laser techniques, such as precision cutting, micro welding, and ablation of stains, are presented. Concerning laser beam ablation, we explain the mechanism, and then discuss potential applications (cleaning of gilded or solid metal surfaces, cleaning of verdigr