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Proceedings Paper

Improvement in encrustation removal from artworks using multipulse Q-switched laser
Author(s): Jan Marczak; Karol Jach; Antoni Sarzyński
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Paper Abstract

The paper presents application of laser radiation for cleaning of monuments and art works, using Q -switched Nd:YAG laser generating high power series of pulses in so called "burst mode". The time width of pulse train is 200 ÷ 300 μs. The oscilloscope traces of pulse repetition frequency and the results of energy measurements are shown. Numerical model of interaction of high power laser pulse with graphite layer of aluminium substrate on the base of equations in one-dimensional hydrodynamic approximation is presented. The results of calculations of graphite removal process for single pulse and train of laser pulses are in qualitative agreement with the results of measurements.

Paper Details

Date Published: 11 October 2005
PDF: 10 pages
Proc. SPIE 5958, Lasers and Applications, 59582G (11 October 2005); doi: 10.1117/12.621857
Show Author Affiliations
Jan Marczak, Military Univ. of Technology (Poland)
Karol Jach, Military Univ. of Technology (Poland)
Antoni Sarzyński, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5958:
Lasers and Applications
Krzysztof M. Abramski; Antonio Lapucci; Edward F. Plinski, Editor(s)

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