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Optica Applicata

Tytuł artykułu

Simple digital speckle pattern interferometer (DSPI) for investigation of art objects

Autorzy Lasyk, L.  Lukomski, M.  Bratasz, L. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN Technical development and practical evaluation of a simple digital speckle pattern interferometer (DSPI) for the non-invasive, non-contact detection and characterization of early-stage damage of painted objects of art, like fracturing and layer separation, are reported. One of the most important features of the presented measuring system is a possibility to progress stepwise from the simplest version of the instrument based on the digital image correlation (DIC), to more advanced and accurate ones: DSPI for thermally- and sound-induced surface deformation. Analysis of the resonant frequency of a vibrating delaminated paint layer was, for the first time, used to detect the damage progress in polychrome wood and proved to be extremely sensitive and accurate. This method, together with two other presented in the article makes the multilevel analysis of the preservation state of the object's surface possible and provides information on the damage on a desired level of complexity and accuracy.
Słowa kluczowe
EN speckle interferometry   non-destructive testing   painted wood   art objects   delamination   fracturing  
Wydawca Oficyna Wydawnicza Politechniki Wrocławskiej
Czasopismo Optica Applicata
Rocznik 2011
Tom Vol. 41, nr 3
Strony 687--700
Opis fizyczny Bibliogr. 17 poz.
autor Lasyk, L.
autor Lukomski, M.
autor Bratasz, L.
  • Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Kraków, Poland
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