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Application limits of Q-Switched Nd: YAG laser irradiation for stone cleaning based on colour measurements

dc.contributor.authorEsbert Alemany, Rosa María 
dc.contributor.authorGrossi Sampedro, Carlota Maria 
dc.contributor.authorRojo Álvarez, Araceli
dc.contributor.authorAlonso Rodríguez, Francisco Javier 
dc.contributor.authorMontoto San Miguel, Modesto 
dc.contributor.authorOrdaz Gargallo, Jorge 
dc.contributor.authorPérez de Andrés, María del Carmen
dc.contributor.authorEscudero Remírez, Cristina
dc.contributor.authorBarrera del Barrio, Mercedes
dc.contributor.authorSebastián Pardo, Eduardo
dc.contributor.authorRodríguez Navarro, Carlos
dc.contributor.authorElert, Kerstin
dc.identifier.citationJournal of cultural heritage, 4, p.50-55, (2003)en
dc.description.abstractThe application limits of the laser-cleaning technique for different types of building stones have been investigated by measuring colour variations. The selected stones differ in their chemical and mineralogical composition, colour, texture and crystallinity degree. The experimentation was carried out with a Q-switched Nd:YAG laser. The colour variations on stones associated with different operative fluences were measured using a colorimeter. Further, surface morphological changes were examined under SEM. From the calculation of colour differences, a damage threshold fluence was established for each stone type. The response of the stones to laser radiation at a particular fluence was found to be mainly conditioned by their chemical and mineralogical composition and, to a less extent, by their textural characteristics.en
dc.description.sponsorshipThis research was financially supported by the CICYT - Spain (Project 1FD97-0331 - C03-01)
dc.format.extentp. 50-55spa
dc.relation.ispartofJournal of cultural heritageen
dc.rights© Elsevier
dc.titleApplication limits of Q-Switched Nd: YAG laser irradiation for stone cleaning based on colour measurementsen

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