Advances in laser cleaning of artwork and objects of historical interest: the optimized pulse duration approach

Accounts of Chemical Research
S Siano, R Salimbeni

Abstract

Laser ablation has found numerous applications in biomedical and industrial settings but has not spread as quickly as a means of cleaning artwork. In this Account, we report recent advances in the study and application of laser cleaning to the conservation of cultural heritage. We focus on the solution of representative cleaning problems of encrusted stones, metals, and wall paintings that were achieved through the optimization of laser pulse duration. We begin by introducing the basic mechanisms involved in the laser ablation of stratified materials and the criteria for preventing undesired side effects to the substrate and then briefly present case studies for each of these materials. Laser interaction effects are reviewed in a schematic way, with a concise overview of the physical models needed to support intuitive interpretations of the phenomenology observed, both in laboratory tests and in practical applications on important artifacts. This approach aims to provide keys of generalization that will favor the rigorous application of laser cleaning, repeatability of the successful results reported in this work, and further dissemination and acceptance of the technique. The topics treated examine the ablation mechanisms along...Continue Reading

References

Apr 9, 2008·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·P PouliM Castillejo

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Citations

Aug 10, 2011·Analytical and Bioanalytical Chemistry·I CacciariS Siano
Jan 26, 2011·Physical Chemistry Chemical Physics : PCCP·Mohamed OujjaMarta Castillejo
Feb 6, 2020·Environmental Science and Pollution Research International·Chiara PetitiSara Goidanich
Mar 19, 2013·Physical Review Letters·Yi LiuAndré Mysyrowicz

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