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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 15 — Jul. 29, 2013
  • pp: 17800–17805

Goya’s artwork imaging with Terahertz waves

C. Seco-Martorell, V. López-Domínguez, G. Arauz-Garofalo, A. Redo-Sanchez, J. Palacios, and J. Tejada  »View Author Affiliations

Optics Express, Vol. 21, Issue 15, pp. 17800-17805 (2013)

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In this paper we use a Terahertz (THz) time-domain system to image and analyze the structure of an artwork attributed to the Spanish artist Goya painted in 1771. The THz images show features that cannot be seen with optical inspection and complement data obtained with X-ray imaging that provide evidence of its authenticity, which is validated by other independent studies. For instance, a feature with a strong resemblance with one of Goya’s known signatures is seen in the THz images. In particular, this paper demonstrates the potential of THz imaging as a complementary technique along with X-ray for the verification and authentication of artwork pieces through the detection of features that remain hidden to optical inspection.

© 2013 OSA

OCIS Codes
(000.2170) General : Equipment and techniques
(100.3010) Image processing : Image reconstruction techniques
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(040.2235) Detectors : Far infrared or terahertz
(110.6795) Imaging systems : Terahertz imaging

ToC Category:
Imaging Systems

Original Manuscript: May 9, 2013
Revised Manuscript: July 11, 2013
Manuscript Accepted: July 11, 2013
Published: July 18, 2013

C. Seco-Martorell, V. López-Domínguez, G. Arauz-Garofalo, A. Redo-Sanchez, J. Palacios, and J. Tejada, "Goya’s artwork imaging with Terahertz waves," Opt. Express 21, 17800-17805 (2013)

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