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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 16 — Aug. 8, 2005
  • pp: 6133–6144

En-face optical coherence tomography - a novel application of non-invasive imaging to art conservation

Haida Liang, Marta Gomez Cid, R. G. Cucu, G. M. Dobre, A. Gh. Podoleanu, Justin Pedro, and David Saunders  »View Author Affiliations

Optics Express, Vol. 13, Issue 16, pp. 6133-6144 (2005)

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Optical Coherence Tomography (OCT) is an optical interferometric technique developed mainly for in vivo imaging of the eye and biological tissues. In this paper, we demonstrate the potential of OCT for non-invasive examination of museum paintings. Two en-face scanning OCT systems operating at 850 nm and 1300 nm were used to produce B-scan and C-scan images at typical working distances of 2 cm. The 3D images produced by the OCT systems show not only the structure of the varnish layer but also the paint layers and underdrawings (preparatory drawings under the paint layers). The highest ever resolution and dynamic range images of underdrawings are presented and for the first time it is possible to find out non-invasively on which layer the underdrawings were drawn.

© 2005 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Research Papers

Original Manuscript: June 16, 2005
Revised Manuscript: July 28, 2005
Published: August 8, 2005

Haida Liang, Marta Cid, R. Cucu, G. Dobre, A. Podoleanu, Justin Pedro, and David Saunders, "En-face optical coherence tomography �?? a novel application of non-invasive imaging to art conservation," Opt. Express 13, 6133-6144 (2005)

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