采用声光传感器的离轴声全息术复波场提取的可行性研究。
Feasibility study of complex wavefield retrieval in off-axis acoustic holography employing an acousto-optic sensor.
机构信息
Medical Imaging Research Center, Illinois Institute of Technology, Chicago, IL 60616, United States.
出版信息
Ultrasonics. 2011 Dec;51(8):847-52. doi: 10.1016/j.ultras.2011.05.002. Epub 2011 May 11.
We propose and experimentally demonstrate a new method for complex-valued wavefield retrieval in off-axis acoustic holography. The method involves use of an intensity-sensitive acousto-optic (AO) sensor, optimized for use at 3.3 MHz, to record the acoustic hologram and a computational method for reconstruction of the object wavefield. The proposed method may circumvent limitations of conventional implementations of acoustic holography and may facilitate the development of acoustic-holography-based biomedical imaging methods.
我们提出并实验验证了一种用于离轴声全息中复值波场重建的新方法。该方法涉及使用优化用于 3.3 MHz 的强度敏感声光（AO）传感器来记录声全息图，以及一种用于重建物体波场的计算方法。所提出的方法可以规避传统声全息实现方法的限制，并可能促进基于声全息的生物医学成像方法的发展。
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