用扫描激光声显微镜研究生物材料中声速的空间分布

P. Embree, K. Tervola, S. Foster, W. O’Brien
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引用次数: 25

摘要

摘要:声速是表征组织的一个重要的超声传播特性。扫描激光声学显微镜(SLAM)提供了在亚毫米尺度上确定组织标本或部分标本中声音速度的能力。这种能力有可能用于开发量化组织声速空间梯度的指标。一种利用SLAM自动测定声速的技术已经被开发出来。现在可以从声分布速度的SLAM测量中定量地研究组织异质性的程度。T
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Spatial Distribution of the Speed of Sound in Biological Materials with the Scanning Laser Acoustic Microscope
Abstmct-An important ultrasonic propagation property for tissue characterization is the speed of sound. The scanning laser acoustic microscope (SLAM) provides the capacity to determine the speed of sound in tissue specimens or portions of specimens on the submillimeter scale. This capability potentially can be utilized to develop indices that quantify the spatial gradient of the tissue’s speed of sound. An automated technique for determining the speed of sound using the SLAM has been developed. It is now possible to study quantitatively the degree of tissue heterogeneity from SLAM measurements of the speed of sound distribution. T
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