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Proceedings Paper

Laser cleaning of historical paper documents and diagnostics by means of LIF technique
Author(s): Katarzyna Ochocinska; Margarita Martin; Jorn Bredal-Jorgensen; Aleksandra Kaminska; Gerard Sliwinski
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Paper Abstract

Results of paper cleaning by means of the 532 nm Nd:YAG laser (pulse length 6 ns, fluency 0.3-0.6 J/cm2) are reported and discussed. Results of the surface cleaning of the paper samples originating among others from the two oldest Polish Bibles (XVI c.) are examined by the SEM technique after laser processing. For the process diagnostic the LIF spectra of paper samples recorded under excitation at 266 nm and 532 nm before and after processing are analysed and spectra of the non-contaminated samples are taken for reference. The presence of contamination and also cleaning history is evidenced in the recorded spectra. Comparison of SEM images and also the spectral characteristics of the originally contaminated samples before and after laser treatment confirm results of the laser cleaning.

Paper Details

Date Published: 6 October 2003
PDF: 5 pages
Proc. SPIE 5229, Laser Technology VII: Applications of Lasers, (6 October 2003); doi: 10.1117/12.520764
Show Author Affiliations
Katarzyna Ochocinska, Institute of Fluid-Flow Machinery (Poland)
Margarita Martin, Institute of Chemical Physics (Spain)
Jorn Bredal-Jorgensen, School of Conservation (Denmark)
Aleksandra Kaminska, National Museum in Gdansk (Poland)
Gerard Sliwinski, Institute of Fluid-Flow Machinery (Poland)

Published in SPIE Proceedings Vol. 5229:
Laser Technology VII: Applications of Lasers
Wieslaw L. Wolinski; Zdzislaw Jankiewicz; Ryszard Romaniuk, Editor(s)

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