On the effective permittivity characterizing electrical coupling in surface‐wave devices
作者:
A. H. Fahmy,
E. L. Adler,
期刊:
Journal of Applied Physics
(AIP Available online 1973)
卷期:
Volume 44,
issue 9
页码: 3949-3952
ISSN:0021-8979
年代: 1973
DOI:10.1063/1.1662878
出版商: AIP
数据来源: AIP
摘要:
An effective permittivity is defined which characterizes the electrical coupling properties of acoustoelectric surface waves. Relationships are established between this quantity and other parameters, such as &Dgr;v/v, used in evaluating active and passive surface‐wave devices. A simple method for computing the effective permittivity is described which is shown to be more accurate than other methods used to date.
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