Non-invasive imaging of subsurface paint layers with optical coherence tomography

Liang, H. ORCID: 0000-0001-9496-406X, Peric, B., Spring, M., Saunders, D., Hughes, M. and Podoleanu, A.G., 2007. Non-invasive imaging of subsurface paint layers with optical coherence tomography. In: J.H. Townsend, L. Toniolo and F. Cappitelli, eds., Conservation Science 2007, Non-Destructive Testing, Milan, Italy, 10-11 May 2007. London: Archtype Publishing, pp. 171-176. ISBN 9781904982340

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Abstract

Optical coherence tomography (OCT) systems are fast scanning infrared Michelson interferometers designed for the non-invasive examination of the interiors of the eye and subsurface structures of biological tissues. OCT has recently been applied to the non-invasive examinations of the stratigraphy of paintings and museum artefacts. So far this is the only technique capable of imaging non-invasively the subsurface structure of paintings and painted objects. Unlike the traditional method of paint cross-section examination where sampling is required, the non-invasive and non-contact nature of the technique enables the examination of the paint cross-section anywhere on a painting, as there is no longer an issue with conservation ethics regarding the taking of samples from historical artefacts. A range of applications of the technique including the imaging of stratigraphy of paintings and painted artefacts, the imaging of underdrawings to the analysis of the optical properties of paint and varnish layers is presented. Future projects on the application of OCT to art conservation are discussed.

Item Type: Chapter in book
Creators: Liang, H., Peric, B., Spring, M., Saunders, D., Hughes, M. and Podoleanu, A.G.
Publisher: Archtype Publishing
Place of Publication: London
Date: 2007
Divisions: Schools > School of Science and Technology
Depositing User: EPrints Services
Date Added: 09 Oct 2015 09:59
Last Modified: 09 Jun 2017 13:16
URI: http://irep.ntu.ac.uk/id/eprint/5904

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