Thermoelastic displacement measured by DP-OCT for detecting vulnerable plaques | Zendy

Jihoon Kim | Zendy; Hyun Wook Kang | Zendy; Junghwan Oh | Zendy; Thomas E. Milner | Zendy

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Thermoelastic displacement measured by DP-OCT for detecting vulnerable plaques

Author(s) -

Jihoon Kim,

Hyun Wook Kang,

Junghwan Oh,

Thomas E. Milner

Publication year - 2014

Publication title -

biomedical optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.362

H-Index - 86

ISSN - 2156-7085

DOI - 10.1364/boe.5.000474

Subject(s) - thermoelastic damping , optical coherence tomography , displacement (psychology) , materials science , laser , optics , biomedical engineering , thermal , physics , medicine , psychology , meteorology , psychotherapist

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.

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