Sensitivity and directivity measurement of ultrasonic transducer with polymer-powder matching layer

被引：3
|
作者：
Fazlyyyakhmatov, Marsel [1 ]
机构：
[1] Kazan Volga Reg Fed Univ, 18 Kremlyovskaya Str, Kazan 420008, Russia
来源：
INTERNATIONAL CONFERENCE PHYSICA.SPB/2017 | 2018年 / 1038卷
关键词：
PHASE CALIBRATION;
D O I：
10.1088/1742-6596/1038/1/012109
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The results of an experimental study of the sensitivity and directivity pattern of the ultrasonic transducers are presented. Data was obtained for transducers with central frequency at 2.5 and 5 MHz with protective matching layers, in comparison with transducers without matching layers. Increase of transducer sensitivity is shown. In addition, it is shown that the directivity patterns for transducers with the matching layer and without it are practically identical. Also was observed that the directivity pattern gets sharper as the frequency of the transducer increases.
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页数：8
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