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Sparse hand-held probe for optoacoustic ultrasound volumetric imaging: an experimental proof-of-concept study

机译:光声超声容量成像的稀疏手持探头:实验概念研究

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摘要

We present an experimental proof-of-concept study on the performance of a sparse segmented annular array for optoacoustic imaging. A capacitive micromachined ultrasonic transducer was equipped with a negatively focused acoustic lens and scanned in an annular fashion to exploit the performance of the sparse array geometry proposed in our recent numerical studies [Biomed. Opt. Express 10, 1545 (2019); J. Biomed. Opt. 23, 025004 (2018)]. A dedicated water tank was made using a 3D printer for light delivery and mounting the sample. A phantom experiment was carried out to showcase the possibility of full-field optoacoustic ultrasound (OPUS) imaging and confirm the earlier numerical results. This proof of concept opens the door towards a prototype of OPUS imaging for (pre-) clinical studies. (C) 2020 Optical Society of America
机译:我们提出了一种关于光声成像的稀疏分段环形阵列性能的实验概念研究。 电容式微机械超声换能器配备有带负聚焦的声学透镜并以环形方式扫描,以利用我们最近的数值研究中提出的稀疏阵列几何的性能[生物化。 选择。 快递10,1545(2019年); J. Biomed。 选择。 23,025004(2018)]。 使用3D打印机进行专用水箱,用于光线输送和安装样品。 进行了幻影实验以展示全场光声超声(OPUS)成像的可能性,并确认先前的数值结果。 这种概念证明打开了朝向(前)临床研究的Opus成像原型的门。 (c)2020美国光学学会

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