Share Email Print
cover

Proceedings Paper

Laser cleaning of calcareous stones: influence of laser irradiation in colour changes of different layers
Author(s): Sandra S. Amaral; Margarida Pires; M. D. Carvalho; F. M. Costa
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Experimental laser cleaning of black crusted calcareous stones, carried on to study the laser yellowing of petreous surfaces, showed different colour alterations on the exposed surface, after laser irradiation, depending not only on the incident fluence but also with the crust or stone irradiated layer.

Paper Details

Date Published: 22 April 2009
PDF: 8 pages
Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 713127 (22 April 2009); doi: 10.1117/12.818140
Show Author Affiliations
Sandra S. Amaral, Univ. de Lisboa (Portugal)
Câmara Municipal de Lisboa (Portugal)
Margarida Pires, Instituto Nacional de Engenharia, Tecnologia e Inovação (Portugal)
M. D. Carvalho, Univ. de Lisboa (Portugal)
F. M. Costa, Univ. de Lisboa (Portugal)


Published in SPIE Proceedings Vol. 7131:
XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Rui Vilar; Olinda Conde; Marta Fajardo; Luís O. Silva; Margarida Pires; Andrei Utkin, Editor(s)

© SPIE. Terms of Use
Back to Top