11 October 2005 Improvement in encrustation removal from artworks using multi pulse Q-switched laser
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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.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jan Marczak, Jan Marczak, Karol Jach, Karol Jach, Antoni Sarzyński, Antoni Sarzyński, } "Improvement in encrustation removal from artworks using multi pulse Q-switched laser", Proc. SPIE 5958, Lasers and Applications, 59582G (11 October 2005); doi: 10.1117/12.621857; https://doi.org/10.1117/12.621857


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