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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 3, Iss. 6 — Sep. 14, 1998
  • pp: 199–211

OCT elastography: imaging microscopic deformation and strain of tissue

Joseph M. Schmitt  »View Author Affiliations

Optics Express, Vol. 3, Issue 6, pp. 199-211 (1998)

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Optical coherence tomography (OCT) has been applied to the study of the microscopic deformation of biological tissue under compressive stress. We describe the hardware and theory of operation of an OCT elastography system that measures internal displacements as small as a few micrometers by using 2D cross-correlation speckle tracking. Results obtained from gelatin scattering models, pork meat, and intact skin suggest possible medical applications of the technique.

© Optical Society of America

OCIS Codes
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry
(170.1650) Medical optics and biotechnology : Coherence imaging

ToC Category:
Focus Issue: Optical coherence tomography

Original Manuscript: July 13, 1998
Published: September 14, 1998

Joseph Schmitt, "OCT elastography: imaging microscopic deformation and strain of tissue," Opt. Express 3, 199-211 (1998)

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