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

Marta Jankowska; Gerard Sliwinski

doi:10.1117/12.611322

23 March 2005 Investigation of the laser cleaning effect on Gotlandic sandstone by means of colorimetric and surface analysis

Marta Jankowska, Gerard Sliwinski

Author Affiliations +

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611322
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

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 Lab* 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.

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Marta Jankowska and Gerard Sliwinski "Investigation of the laser cleaning effect on Gotlandic sandstone by means of colorimetric and surface analysis", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611322

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