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Proceedings Paper

Ultra-high resolution Fourier domain optical coherence tomography for resolving thin layers in painted works of art
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Paper Abstract

While OCT has been applied to the non-invasive examination of the stratigraphy of paint layers in recent years, it has been recognized that the resolutions of commercially available OCT cannot compete in depth resolution with conventional microscopic examination of cross-sections of paint samples. It is necessary to achieve resolutions better than 3 microns to resolve the thinnest layers of paint and varnish. In this paper, we demonstrate a Fourier domain ultrahigh resolution OCT at 810nm with depth resolution of 1.8 μm in air (or 1.2μm in varnish or paint).

Paper Details

Date Published: 30 May 2013
PDF: 5 pages
Proc. SPIE 8790, Optics for Arts, Architecture, and Archaeology IV, 87900M (30 May 2013); doi: 10.1117/12.2020765
Show Author Affiliations
C. S. Cheung, Nottingham Trent Univ. (United Kingdom)
Haida Liang, Nottingham Trent Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 8790:
Optics for Arts, Architecture, and Archaeology IV
Luca Pezzati; Piotr Targowski, Editor(s)

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