Measurement of elastic wave propagation velocity near tissue surface by optical coherence tomography and laser Doppler velocimetry

被引：24
|
作者：
Kato, Yukako [1 ]
Wada, Yuji [2 ]
Mizuno, Yosuke [1 ]
Nakamura, Kentaro [1 ]
机构：
[1] Tokyo Inst Technol, Precis & Intelligence Lab, Yokohama, Kanagawa 2268503, Japan
[2] Seikei Univ, Fac Sci & Technol, Musashino, Tokyo 1808633, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2014年 / 53卷 / 07期
关键词：
ELASTOGRAPHY;
D O I：
10.7567/JJAP.53.07KF05
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate a new technique for measuring the velocity of elastic waves propagating near a tissue surface by swept-source optical coherence tomography (OCT). We establish a theory for estimating the elastic wave velocity from the OCT images taken with a slow mechanical scanning, which is experimentally verified using agar and tissue samples. The elastic wave velocity measured by this technique agrees well with previous results and that measured with a laser Doppler velocimeter. We also carry out some trial measurements of the elastic wave velocities of several tissue samples by this method. (C) 2014 The Japan Society of Applied Physics
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页数：3
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