Strain and elasticity imaging in compression optical coherence elastography: The two‐decade perspective and recent advances

弹性成像 光学相干层析成像 弹性(物理) 计算机科学 可视化 透视图(图形) 剪切(地质) 刚度 材料科学 光学 声学 人工智能 物理 复合材料 超声波
作者
V. I. Zaĭtsev,Alexander L. Matveyev,Lev A. Matveev,Alexander A. Sovetsky,Matt S. Hepburn,Alireza Mowla,Brendan F. Kennedy
出处
期刊:Journal of Biophotonics [Wiley]
卷期号:14 (2) 被引量:114
标识
DOI:10.1002/jbio.202000257
摘要

Abstract Quantitative mapping of deformation and elasticity in optical coherence tomography has attracted much attention of researchers during the last two decades. However, despite intense effort it took ~15 years to demonstrate optical coherence elastography (OCE) as a practically useful technique. Similarly to medical ultrasound, where elastography was first realized using the quasi‐static compression principle and later shear‐wave‐based systems were developed, in OCE these two approaches also developed in parallel. However, although the compression OCE (C‐OCE) was proposed historically earlier in the seminal paper by J. Schmitt in 1998, breakthroughs in quantitative mapping of genuine local strains and the Young's modulus in C‐OCE have been reported only recently and have not yet obtained sufficient attention in reviews. In this overview, we focus on underlying principles of C‐OCE; discuss various practical challenges in its realization and present examples of biomedical applications of C‐OCE. The figure demonstrates OCE‐visualization of complex transient strains in a corneal sample heated by an infrared laser beam.
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