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Applied Physics A

, Volume 101, Issue 2, pp 349–355 | Cite as

Laser studies of metallic artworks

  • E. Drakaki
  • M. Kandyla
  • E. Chatzitheodoridis
  • I. ZergiotiEmail author
  • A. A. Serafetinides
  • A. Terlixi
  • E. Kouloumpi
  • A. P. Moutsatsou
  • M. Doulgerides
  • V. Kantarelou
  • A. Karydas
  • C. Vlachou-Mogire
Article

Abstract

Museum curators and archaeologists use analytical science to provide important information on artworks and objects. For example, scientific techniques provide information on artwork elemental composition, origin and authenticity, and corrosion products, while also finding use in the day-to-day conservation of many historical objects in museums and archaeological sites around the world. In this work two special cases are being discussed.

In the first part of our work, physicochemical studies of an icon on a metal substrate were carried out using non-destructive, qualitative analysis of pigments and organic-based binding media, employing various microscopic and analytical techniques, such as Optical Fluorescence Microscopy, XRF, and Gas Chromatography. In the second part of our work, laser cleaning of late Roman coins has been performed using a Q-switched Nd:YAG laser (1064 nm, 6 ns) and a GaAlAs diode laser (780 nm, 90 ps). The corrosion products have been removed, while we observe increased concentrations in Ag, which is the main material of the silver plating found in late Roman coins.

Keywords

Corrosion Product Corrosion Layer Fatty Acid Ratio Laser Cleaning Orpiment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • E. Drakaki
    • 1
  • M. Kandyla
    • 1
  • E. Chatzitheodoridis
    • 2
  • I. Zergioti
    • 1
    Email author
  • A. A. Serafetinides
    • 1
  • A. Terlixi
    • 3
  • E. Kouloumpi
    • 3
  • A. P. Moutsatsou
    • 3
  • M. Doulgerides
    • 3
  • V. Kantarelou
    • 4
  • A. Karydas
    • 4
  • C. Vlachou-Mogire
    • 5
  1. 1.Physics DepartmentNational Technical University of AthensAthensGreece
  2. 2.School of Mining and Metallurgical EngineeringNational Technical University of AthensAthensGreece
  3. 3.Conservation Department, Laboratory of Physicochemical ResearchNational Gallery–Alexandros Soutzos MuseumAthensGreece
  4. 4.Laboratory for Material Analysis, NCSR “Demokritos”Institute of Nuclear PhysicsAg. ParaskeviGreece
  5. 5.Numismatic Museum of AthensAthensGreece

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