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Journal of Biomedical Optics

Tracking mechanical wave propagation within tissue using phase-sensitive optical coherence tomography: motion artifact and its compensation
Author(s): Shaozhen Song; Zhihong Huang; Ruikang K. Wang
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Paper Abstract

We describe theoretical and experimental investigations of motion artifacts that can arise in the detection of shear wave propagating within tissue with phase-sensitive optical coherence tomography. We find that the motion artifact is a combined product of sample surface motion and refractive index difference between sample and air, which cannot be neglected when estimating the tissue motion within tissue. A method of compensating the motion artifact is demonstrated, the results of which emphasize the need for surface motion compensation when measuring the mechanical response for elastography or other biomedical applications.

Paper Details

Date Published: 22 October 2013
PDF: 10 pages
J. Biomed. Opt. 18(12) 121505 doi: 10.1117/1.JBO.18.12.121505
Published in: Journal of Biomedical Optics Volume 18, Issue 12
Show Author Affiliations
Shaozhen Song, Univ. of Washington (United States)
Zhihong Huang, Univ. of Washington (United States)
Ruikang K. Wang, Univ. of Washington (United States)

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