Mapping the micro-scale strain tensor using tension-based optical coherence elastography (Conference Presentation)

Jiayue Li; Alireza Mowla; Ziming Chen; Matt Hepburn; Lixin Chin; Minghao Zheng; Brendan Kennedy

doi:10.1117/12.2647214

15 March 2023 Mapping the micro-scale strain tensor using tension-based optical coherence elastography (Conference Presentation)

Jiayue Li, Alireza Mowla, Ziming Chen, Matt Hepburn, Lixin Chin, Minghao Zheng, Brendan Kennedy

Author Affiliations +

Proceedings Volume PC12381, Optical Elastography and Tissue Biomechanics X; PC123810A (2023) https://doi.org/10.1117/12.2647214
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Tissue function is dependent on its mechanical properties. Characterizing the mechanical properties of tissue on the micro-scale will enable an improved understanding of its physiological function and aid to identify disease at an early stage. In this study, we present a tension-based optical coherence elastography that maps the micro-scale strain tensor resulting from tensile loading to study the mechanics of load-bearing tissues (e.g., tendon) that routinely resist tensile loading. We demonstrate this technique through experiments of phantom and tendon tissue, presenting the micro-scale mechanical contrast arising from the local structural and mechanical heterogeneity of samples under tensile loading.

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Citation Download Citation

Jiayue Li, Alireza Mowla, Ziming Chen, Matt Hepburn, Lixin Chin, Minghao Zheng, and Brendan Kennedy "Mapping the micro-scale strain tensor using tension-based optical coherence elastography (Conference Presentation)", Proc. SPIE PC12381, Optical Elastography and Tissue Biomechanics X, PC123810A (15 March 2023); https://doi.org/10.1117/12.2647214

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KEYWORDS

Tissues

Coherence (optics)

Elastography

Tissue optics

3D image processing

Biomedical optics

Finite element methods

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