Self-calibrated quantitative elemental analysis by laser-induced plasma spectroscopy: application to pigment analysis |
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| Institution: | 1. Forschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung - Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, Germany;2. Key Laboratory of Materials Modification by Laser, Ion and Electron Beams, Chinese Ministry of Education, School of Physics and Optical Electronic Technology, Dalian University of Technology, Dalian 116024, PR China;1. University of Science and Technology of China, Hefei 230026, China;2. Anhui Provincial Key Laboratory of Photonic Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences, Hefei 230031, China;3. Jiangsu International Joint Laboratory on Meteorological Photonics and Optoelectronic Detection, Nanjing University of Information Science & Technology, Nanjing 210044, China;4. Key Lab of Environmental Optics & Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China;5. Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China;1. Department of Materials Science and Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji-shi, Hyogo 671-2280, Japan;2. Tokai Quantum Beam Science Center, National Institutes for Quantum and Radiological Science and Technology, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1106, Japan;3. Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan;4. Department of Safeguards, International Atomic Energy Agency, Tokyo Regional Office, Seibunkan Bldg, 9F, 1-5-9 Iidabashi, Chiyoda-ku, Tokyo 102-0072, Japan;5. Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto-shi, Kyoto 615-8510, Japan |
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| Abstract: | A new laser-based spectroscopic technique, called calibration-free LIPS (laser-induced plasma spectroscopy), is proposed for fast and precise elemental analysis in the field of cultural heritage conservation and study. Quantitative stratigraphic results, obtained by CF-LIPS on ancient Roman frescoe samples, are shown. The application of this calibration-free procedure frees the LIPS technique from the need of reference samples or an internal standard. This characteristic, along with the intrinsic speed (the whole process of data collection and analysis takes a few minutes) and precision (of the order of a few parts percent) make the CF-LIPS a viable technique for in situ quantitative analysis of artworks. |
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