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Efficient bulk‐wave microsonic transducer

 

作者: Morris E. Brodwin,   Kan Chou,  

 

期刊: The Journal of the Acoustical Society of America  （AIP Available online 1973）
卷期: Volume 53, issue 4  

页码: 1172-1173

 

ISSN:0001-4966

 

年代: 1973

 

DOI:10.1121/1.1913442

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

A microwave acoustic exciter is described which utilizes an efficient thin‐film piezoelectric transducer in a re‐entrant cavity configuration. Measurements of conversion loss by input impedance and pulse‐echo methods yield a 2.5‐dB one‐way conversion loss at 1.58 GHz. The observed conversion‐loss bandwidth is 20 MHz and is limited by the cavity resonance.

 

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