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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 2 — Feb. 1, 2014
  • pp: 474–484

Thermoelastic displacement measured by DP-OCT for detecting vulnerable plaques

Jihoon Kim, Hyun Wook Kang, Junghwan Oh, and Thomas E. Milner  »View Author Affiliations

Biomedical Optics Express, Vol. 5, Issue 2, pp. 474-484 (2014)

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The detection of thermoelastic displacement by differential phase optical coherence tomography (DP-OCT) was analytically evaluated for identifying atherosclerotic plaques. Analytical solutions were developed to understand the dynamics of physical distribution of point hear sources during/after laser irradiation on thermoelastic responses of MION-injected tissue. Both analytical and experimental results demonstrated a delayed peak displacement along with slow decay after laser pulse due to heterogeneous distribution of the point heat sources. Detailed description of the heat sources in tissue as well as integration of a scanning mirror can improve computational accuracy as well as clinical applicability of DP-OCT for diagnosing vulnerable plaque.

© 2014 Optical Society of America

OCIS Codes
(000.1430) General : Biology and medicine
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(350.5340) Other areas of optics : Photothermal effects

ToC Category:
Optical Coherence Tomography

Original Manuscript: July 30, 2013
Revised Manuscript: October 1, 2013
Manuscript Accepted: January 8, 2014
Published: January 14, 2014

Virtual Issues
Advances in Optics for Biotechnology, Medicine and Surgery (2013) Biomedical Optics Express

Jihoon Kim, Hyun Wook Kang, Junghwan Oh, and Thomas E. Milner, "Thermoelastic displacement measured by DP-OCT for detecting vulnerable plaques," Biomed. Opt. Express 5, 474-484 (2014)

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