Improvement in encrustation removal from artworks using multipulse Q-switched laser

Jan Marczak; Karol Jach; Antoni Sarzyński

doi:10.1117/12.621857

11 October 2005 Improvement in encrustation removal from artworks using multi pulse Q-switched laser

Jan Marczak, Karol Jach, Antoni Sarzyński

Proceedings Volume 5958, Lasers and Applications; 59582G (2005) https://doi.org/10.1117/12.621857
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

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.

Citation Download Citation

Jan Marczak, Karol Jach, and Antoni Sarzyński "Improvement in encrustation removal from artworks using multi pulse Q-switched laser", Proc. SPIE 5958, Lasers and Applications, 59582G (11 October 2005); https://doi.org/10.1117/12.621857

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