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Proceedings Paper

Non-destructive speckle interferometry diagnosis method for art conservation
Author(s): Vivi Tornari; Y. Orphanos; R. Dabu; C. Blanaru; A. Stratan; D. Ursu
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Paper Abstract

We describe a field non-destructive Digital Speckle Pattern Interferometry diagnosis method to be applied in art conservation works, using as the light source a home-made single-frequency pulsed micro-laser oscillator-amplifier system. The green nanosecond laser-pulses are directed towards an interferometer set-up, where a beam splitter cube divides the incoming beam to define the object, respectively the reference beams. The object beam illuminates the artwork target and a CCD camera records the scattered light. The reference beam is directly coupled into the camera head. The operation of the integrated system is governed by dedicated software, able to acquire and process the speckle pattern images as to detect and locate the defects on the investigated artwork. The method was successfully applied inlab and in-situ conditions. The results are illustrated for a variety of investigated artworks.

Paper Details

Date Published: 25 April 2007
PDF: 7 pages
Proc. SPIE 6606, Advanced Laser Technologies 2006, 66060W (25 April 2007); doi: 10.1117/12.729653
Show Author Affiliations
Vivi Tornari, Institute of Electronic Structure and Laser, Foundation for Research and Technology (Greece)
Y. Orphanos, Institute of Electronic Structure and Laser, Foundation for Research and Technology (Greece)
R. Dabu, National Institute for Laser, Plasma and Radiation Physics (Romania)
C. Blanaru, National Institute for Laser, Plasma and Radiation Physics (Romania)
A. Stratan, National Institute for Laser, Plasma and Radiation Physics (Romania)
D. Ursu, S. C. PROOPTICA S. A. (Romania)


Published in SPIE Proceedings Vol. 6606:
Advanced Laser Technologies 2006

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