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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