捕获剪切波与次级压缩波：饱和泡沫中的高帧率超声成像
医学物理
2019-10-02 v2 软凝聚态物质
图像与视频处理
摘要
我们通过高帧率超声成像实验观测了软质多孔水饱和三聚氰胺泡沫内的剪切波与次级压缩波。两种波速均由泡沫的弱骨架所支持。如 Biot 理论所预言，第一与第二压缩波呈现相反极性。我们的实验对医学成像具有直接意义：三聚氰胺泡沫展现出与肺组织相似的微结构。未来，剪切波与慢压缩波联合成像或可提供区分恶性与健康肺组织的新手段。
引用
@article{arxiv.1907.11276,
title = {Capturing the shear and secondary compression wave: High frame rate ultrasound imaging in saturated foams},
author = {Johannes Aichele and Bruno Giammarinaro and Michael Reinwald and Goulven Le Moign and Stefan Catheline},
journal= {arXiv preprint arXiv:1907.11276},
year = {2019}
}
备注
6 pages, 4 figures, has additional supplementary material, accepted in Physical Review Letters (PRL) on 25 July 2019: https://journals.aps.org/prl/accepted/d8073Yb2Q561ed74b02b45f3f2ce801db54da98ac