Broadband Efficient Excitation of the Thin‐Ribbon Waveguide for Surface Acoustic Waves
作者:
K. H. Yen,
R. C. M. Li,
期刊:
Applied Physics Letters
(AIP Available online 1972)
卷期:
Volume 20,
issue 8
页码: 284-286
ISSN:0003-6951
年代: 1972
DOI:10.1063/1.1654151
出版商: AIP
数据来源: AIP
摘要:
A practical method for broadband efficient excitation of the thin‐ribbon waveguide for surface acoustic waves is presented. Other major advantages of the excitation system are the simplicity of both its theoretical design and its practical implementation. Experimentally, a maximum excitation efficiency (power) of 65% has been obtained at an operating frequency of 5.5 MHz. In addition, the measured efficiency was in excess of 55% over the frequency range from 4.7 to 6.4 MHz.
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