Nd:YAG laser effects on inorganic pigments |
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| Institution: | 1. School of Science, Key Laboratory of High Performance Scientific Computation, Xihua University, Chengdu 610039, China;2. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Laser Spectroscopy Laboratory, College of Physics and Electronics Engineering, Shanxi University, Taiyuan 030006, China;3. College of OptoElectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China;1. Department of Physics, Faculty of Sciences and Arts, Bingol University, Bingol, Turkey;2. Nanoscience and Nanotechnology Laboratory, Firat University, Elazig, Turkey;3. Department of Chemistry, Faculty of Sciences and Arts, Adiyaman University, Adiyaman 02040, Turkey;4. Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, P.O. Box 9004, Saudi Arabia;5. Research Center for Advanced Materials Science, King Khalid University, Abha 61413, P.O. Box 9004, Saudi Arabia;6. Unit of Science and Technology, Faculty of Science, King Khalid University, Abha 61413, P.O. Box 9004, Saudi Arabia;7. Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;8. College of Physics and Astronomy, Physics Department, King Saud University, Riyadh, Saudi Arabia;9. Department of Physics, Faculty of Science, Firat University, Elazig, Turkey |
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| Abstract: | The effects of a Q-switched Nd:YAG laser irradiation on a group of supports, painted with six different inorganic pigments, was investigated. The pigments were chosen from among the most utilized on painted historical surfaces: red ochre, yellow ochre, chromium green, ultramarine azure, white chalk and carbon black, and they were distempered with two binders – linseed oil and gypsum – on primed wood panels. The pigments were characterized by means of X-ray diffraction and Fourier transform infrared spectroscopy. Chromatic characteristics, chemical composition and surface morphology of the painted layers were investigated before and after the laser irradiation. Three different fluences were used to detect the correlation between laser parameters and changes in painting layer characteristics. |
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