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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 14 — May. 10, 2013
  • pp: 3387–3393

Optical coherence tomography for vulnerability assessment of sandstone

Elizabeth Bemand and Haida Liang  »View Author Affiliations

Applied Optics, Vol. 52, Issue 14, pp. 3387-3393 (2013)

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Sandstone is an important cultural heritage material, in both architectural and natural settings, such as neolithic rock art panels. The majority of deterioration effects in porous materials such as sandstone are influenced by the presence and movement of water through the material. The presence of water within the porous network of a material results in changes in the optical coherence tomography signal intensity that can be used to monitor the wetting front of water penetration of dry porous materials at various depths. The technique is able to detect wetting front velocities from 1cms1 to 106cms1, covering the full range of hydraulic conductivities likely to occur in natural sandstones from pervious to impervious.

© 2013 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing

ToC Category:
Imaging Systems

Original Manuscript: February 5, 2013
Revised Manuscript: April 11, 2013
Manuscript Accepted: April 17, 2013
Published: May 9, 2013

Virtual Issues
Vol. 8, Iss. 6 Virtual Journal for Biomedical Optics
May 21, 2013 Spotlight on Optics

Elizabeth Bemand and Haida Liang, "Optical coherence tomography for vulnerability assessment of sandstone," Appl. Opt. 52, 3387-3393 (2013)

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