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Proceedings Paper

Q-switched 1064nm laser source for photomechanical ablation in obsidianus lapis
Author(s): A. I. Aguilar-Morales; J. A. Álvarez-Chávez; A. J. Morales-Ramírez; Michael Panzner; M. A. Ortega-Delgado
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Paper Abstract

The process of ablation in obsidianus lapis is mainly governed by pulse energy from the laser source and scanning speed. The rate of material ablation is influenced by chemical and physical properties. In this work, laser energy at 1064 nm, has been used for ablation behavior in Q-switch regime. A >40 W, average power Nd:YAG source with pulse energies ranging from 3mJ to nearly 7 mJ, achieved surface damages up to 160 μm of depth. Photo-mechanical ablation in terms of scan speed showed a maximum depth of nearly 500 μm at 130 mm/s. The maximum pulse energy of 12 mJ resulted in ablation of 170 μm depth. Highly efficient ablation in obsidianus lapis for artistic work is an interesting field of application.

Paper Details

Date Published: 2 September 2015
PDF: 8 pages
Proc. SPIE 9573, Optomechanical Engineering 2015, 95730O (2 September 2015); doi: 10.1117/12.2185600
Show Author Affiliations
A. I. Aguilar-Morales, Ctr. de Investigación e Innovación Tecnológica (Mexico)
J. A. Álvarez-Chávez, Ctr. de Investigación e Innovación Tecnológica (Mexico)
A. J. Morales-Ramírez, Ctr. de Investigación e Innovación Tecnológica (Mexico)
Michael Panzner, Fraunhofer IWS Dresden (Germany)
M. A. Ortega-Delgado, Fraunhofer IWS Dresden (Germany)

Published in SPIE Proceedings Vol. 9573:
Optomechanical Engineering 2015
Alson E. Hatheway, Editor(s)

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