Evaluating laser cleaning

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Laser ablation is a well-established technique for cleaning stone and metal artefacts and has been used on Lorenzo Ghiberti’s Porta del Paradiso and Donatello’s David, both in Florence, Italy. The technique has also been used to clean the wall paintings of the Sagrestia Vecchia and the Cappella del Manto in Santa Maria della Scala, Siena. A team led by Dr Salvatore Siano at the Applied Physics Institute-CNR in Florence, Italy, has published an article in the journal of the American Chemical Society evaluating the results of laser cleaning.

Read about laser cleaning on the BBC website.

To access the abstract and article click here.