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Proceedings Paper

Investigation of the laser cleaning effect on Gotlandic sandstone by means of colorimetric and surface analysis
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Paper Abstract

The laser cleaning of historical sandstone was investigated using air and also pure N2 for shielding of the laser interaction region. The yellowing measured in the colorimetric L*a*b* space was lower by more than 20% for samples cleaned in nitrogen. The effect was ascribed to the dirt combustion products on the surface due to ablation plume and confirmed by the surface inspection.

Paper Details

Date Published: 23 March 2005
PDF: 5 pages
Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); doi: 10.1117/12.611322
Show Author Affiliations
Marta Jankowska, Szewalski Institute of Fluid-Flow Machinery (Poland)
Gerard Sliwinski, Szewalski Institute of Fluid-Flow Machinery (Poland)


Published in SPIE Proceedings Vol. 5777:
XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers

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