Point contact ultrasonic transducer of waveguiding structure for high-frequency operation

被引：0

作者：

Yamada, K ^{[1
]}

KhuriYakub, BT ^{[1
]}

机构：

[1] STANFORD UNIV,EDWARD L GINZTON LAB,STANFORD,CA 94305

来源：

APPLIED PHYSICS LETTERS | 1996年 / 68卷 / 10期

关键词：

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This letter presents a new type of Hertzian-contact transducer of waveguiding structure operating in the MKz range. The transducer is composed of a fused quartz tube and a radially-polarized annular piezoelectric element bonded to one of its ends. The edge-bonded shear-wave transducer effectively excites a surface wave on the interior surface of the tube. A small bullet pin made of quartz is inserted and fixed on the other end of the tube to make a point contact and transmit the wave energy to a specimen to be inspected. Using a pair of these transducers, we have succeeded in exciting and detecting surface acoustic waves as well as Lamb waves in the 3 MHz frequency range. (C) 1996 American Institute of Physics.

引用

页码：1335 / 1337

页数：3

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