Quantitative two-dimensional micro-displacement measurement by optical coherence tomography

Kazuhiro Kurokawa; Shuichi Makita; Young-Joo Hong; Yoshiaki Yasuno

doi:10.1117/12.2038643

4 March 2014 Quantitative two-dimensional micro-displacement measurement by optical coherence tomography

Kazuhiro Kurokawa, Shuichi Makita, Young-Joo Hong, Yoshiaki Yasuno

Proceedings Volume 8934, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XVIII; 89340V (2014) https://doi.org/10.1117/12.2038643
Event: SPIE BiOS, 2014, San Francisco, California, United States

Abstract

There are several applications of quantitative micro-displacement measurement of a biological specimen, including characterization of mechanical property and monitoring a laser-induced photothermal expansion. In this study, we proposed a quantitative micro-displacement measurement method using optical coherence tomography (OCT). Specifically, the axial displacement is measured by Doppler OCT and magnitude of displacement is measured by correlation coefficient. By using this method, we measured the local and microdisplacement of the chicken muscles during laser irradiation. The proposed method successfully visualizes thermal changes of chicken muscle due to the laser irradiation. The measured displacement and deformation are useful information for the further understanding of the thermal changes.

Citation Download Citation

Kazuhiro Kurokawa, Shuichi Makita, Young-Joo Hong, and Yoshiaki Yasuno "Quantitative two-dimensional micro-displacement measurement by optical coherence tomography", Proc. SPIE 8934, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XVIII, 89340V (4 March 2014); https://doi.org/10.1117/12.2038643

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KEYWORDS

Optical coherence tomography

Laser irradiation

Doppler tomography

Optical testing

Doppler effect

Tissues

Laser tissue interaction

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