水听器
聚偏氟乙烯
声学
传感器
材料科学
超声波传感器
垂直的
光学
物理
复合材料
几何学
数学
聚合物
作者
Helen L. W. Chan,D. F. Whitnall,P.R. Dencher
摘要
Two single element hydrophones and an eight-element hydrophone array with side-looking polyvinylidene fluoride (PVDF) sensing elements are described. They were designed for measurements in which the ultrasonic beam insonifies the hydrophone from a direction perpendicular to the hydrophone axis. These hydrophones and the array have found various industrial and medical applications, especially for determining the ultrasound exposure of a patient in vivo. The construction and characterization of the hydrophones and the hydrophone array are reported and the directivities of the elements are compared with modeling results.
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