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Proceedings Paper

Coated bronze cleaning by Nd:YAG lasers
Author(s): Salvatore Siano; Roberto Pini; Renzo Salimbeni
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Paper Abstract

In the present work we investigated in a general way the laser cleaning of coated bronzes by Q-switched Nd:YAG lasers. IN particular, the cleaning problems of tinned, slivered and gilded bronzes were theoretically and experimentally analyzed. Besides the laser fluence, the most critical irradiation parameter resulted to be the pulse duration. We demonstrated the advantage to employ specific Q-switching laser sources providing pulse duration in the range of tens of nanoseconds. The optimized laser ablation conditions were successfully experimented in laser cleaning test on original ancient objects.

Paper Details

Date Published: 22 October 2001
PDF: 4 pages
Proc. SPIE 4402, Laser Techniques and Systems in Art Conservation, (22 October 2001); doi: 10.1117/12.445673
Show Author Affiliations
Salvatore Siano, Istituto di Elettronica Quantistica (Italy)
Roberto Pini, Istituto di Elettronica Quantistica (Italy)
Renzo Salimbeni, Istituto di Elettronica Quantistica (Italy)

Published in SPIE Proceedings Vol. 4402:
Laser Techniques and Systems in Art Conservation
Renzo Salimbeni, Editor(s)

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