Comparative study of different wavelengths from IR to UV applied to clean sandstone

• Published in: Applied surface science Vol. 157; no. 1; pp. 1 - 6
• Main Authors: Klein, S, Stratoudaki, T, Marakis, Y, Zafiropulos, V, Dickmann, K
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01-03-2000; Elsevier Science
• Subjects: Comparative study; Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Laser cleaning; Materials science; Physics; Sandstone; Surface cleaning, etching, patterning; Surface treatments; UV-laser; 52.75.Rx; AB; 42.62.-b; LC; UV-laser; Laser cleaning; Comparative study; Sandstone; 81.65.Cf; Sandstones; Surface cleaning; Infrared laser; Ultraviolet laser; Laser ablation technique; Experimental study
• ISSN: 0169-4332; 1873-5584
• DOI: 10.1016/S0169-4332(99)00561-9

The dependency of ablation rate and wavelength is studied by means of an exemplary chosen sort of sandstone in order to determine the cleaning regime and the feasibility of different wavelengths for practical cleaning. Excimer laser radiation (KrF, XeCl) and Nd:YAG laser radiation (
ω, 3
ω) were used for the ablation of the black crust and sandstone in two independent experiments with a constant number of pulses.