Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework

In the context of this work, a prototype hybrid photoacoustic (PA) and optical system for the on-line monitoring of laser cleaning procedures is presented. The developed apparatus has enabled the detection of MHz frequency range acoustic waves generated during the laser ablation process. The intrins...

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Autores principales:	Papanikolaou Athanasia, Tserevelakis George J., Melessanaki Kristalia, Fotakis Costas, Zacharakis Giannis, Pouli Paraskevi
Formato:	article
Lenguaje:	EN
Publicado:	Institue of Optics and Electronics, Chinese Academy of Sciences 2020
Materias:	photoacoustic monitoring laser cleaning encrusted marble real time monitoring two-wavelengths cleaning Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/df9777829334448aa8dced435ab263e9
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spelling	oai:doaj.org-article:df9777829334448aa8dced435ab263e92021-11-10T10:13:05ZDevelopment of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework2096-457910.29026/oea.2020.190037https://doaj.org/article/df9777829334448aa8dced435ab263e92020-02-01T00:00:00Zhttp://www.oejournal.org/article/doi/10.29026/oea.2020.190037https://doaj.org/toc/2096-4579In the context of this work, a prototype hybrid photoacoustic (PA) and optical system for the on-line monitoring of laser cleaning procedures is presented. The developed apparatus has enabled the detection of MHz frequency range acoustic waves generated during the laser ablation process. The intrinsically generated PA signals combined with high resolution optical images provide the opportunity to follow the cleaning process accurately and in real time. Technical mock-ups have been used to demonstrate the potential of this novel technique with emphasis given to applications that refer to the restoration of Cultural Heritage (CH) surfaces. Towards this purpose, the real time monitoring of the laser assisted removal of unwanted encrustation from stonework has been achieved using IR and UV wavelengths. This novel approach has allowed for the precise determination of the critical number of laser pulses required for the elimination of the encrustation layer, while highlighting the dominant ablation mechanisms according to the irradiation wavelength. The promising results obtained using the prototype hybrid PA and optical system can open up new perspectives in the monitoring of laser cleaning interventions, promoting an improved restoration outcome.Papanikolaou AthanasiaTserevelakis George J.Melessanaki KristaliaFotakis CostasZacharakis GiannisPouli ParaskeviInstitue of Optics and Electronics, Chinese Academy of Sciencesarticlephotoacoustic monitoringlaser cleaningencrusted marblereal time monitoringtwo-wavelengths cleaningOptics. LightQC350-467ENOpto-Electronic Advances, Vol 3, Iss 2, Pp 190037-1-190037-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	photoacoustic monitoring laser cleaning encrusted marble real time monitoring two-wavelengths cleaning Optics. Light QC350-467
spellingShingle	photoacoustic monitoring laser cleaning encrusted marble real time monitoring two-wavelengths cleaning Optics. Light QC350-467 Papanikolaou Athanasia Tserevelakis George J. Melessanaki Kristalia Fotakis Costas Zacharakis Giannis Pouli Paraskevi Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework
description	In the context of this work, a prototype hybrid photoacoustic (PA) and optical system for the on-line monitoring of laser cleaning procedures is presented. The developed apparatus has enabled the detection of MHz frequency range acoustic waves generated during the laser ablation process. The intrinsically generated PA signals combined with high resolution optical images provide the opportunity to follow the cleaning process accurately and in real time. Technical mock-ups have been used to demonstrate the potential of this novel technique with emphasis given to applications that refer to the restoration of Cultural Heritage (CH) surfaces. Towards this purpose, the real time monitoring of the laser assisted removal of unwanted encrustation from stonework has been achieved using IR and UV wavelengths. This novel approach has allowed for the precise determination of the critical number of laser pulses required for the elimination of the encrustation layer, while highlighting the dominant ablation mechanisms according to the irradiation wavelength. The promising results obtained using the prototype hybrid PA and optical system can open up new perspectives in the monitoring of laser cleaning interventions, promoting an improved restoration outcome.
format	article
author	Papanikolaou Athanasia Tserevelakis George J. Melessanaki Kristalia Fotakis Costas Zacharakis Giannis Pouli Paraskevi
author_facet	Papanikolaou Athanasia Tserevelakis George J. Melessanaki Kristalia Fotakis Costas Zacharakis Giannis Pouli Paraskevi
author_sort	Papanikolaou Athanasia
title	Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework
title_short	Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework
title_full	Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework
title_fullStr	Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework
title_full_unstemmed	Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework
title_sort	development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework
publisher	Institue of Optics and Electronics, Chinese Academy of Sciences
publishDate	2020
url	https://doaj.org/article/df9777829334448aa8dced435ab263e9
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Development of a hybrid photoacoustic and optical monitoring system for the study of laser ablation processes upon the removal of encrustation from stonework

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