Coated bronze cleaning by Nd:YAG lasers

Salvatore Siano; Roberto Pini; Renzo Salimbeni

doi:10.1117/12.445673

22 October 2001 Coated bronze cleaning by Nd:YAG lasers

Salvatore Siano, Roberto Pini, Renzo Salimbeni

Proceedings Volume 4402, Laser Techniques and Systems in Art Conservation; (2001) https://doi.org/10.1117/12.445673
Event: Lasers in Metrology and Art Conservation, 2001, Munich, Germany

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.

Citation Download Citation

Salvatore Siano, Roberto Pini, and Renzo Salimbeni "Coated bronze cleaning by Nd:YAG lasers", Proc. SPIE 4402, Laser Techniques and Systems in Art Conservation, (22 October 2001); https://doi.org/10.1117/12.445673

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