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Multimode and multifrequency gigahertz surface acoustic wave sensors

Abstract:
A simple surface acoustic wave sensor system was discussed. This system combines the advantages of multifrequency/multimode operation and GHz frequencies in a single acoustic device structure. The sensor system is based on floating electrode unidirectional transducers that allow efficient excitation of two modes and up to 48 harmonics. The basic operation of sensor system was tested by applying it to humidity sensing without a sensitive layer.
Publication status:
Published

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Publisher copy:
10.1063/1.1650040

Authors

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
APPLIED PHYSICS LETTERS
Volume:
84
Issue:
8
Pages:
1407-1409
Publication date:
2004-02-23
DOI:
ISSN:
0003-6951
Language:
English
Pubs id:
pubs:151484
UUID:
uuid:39d83f77-1861-43f8-ae42-c524b98a9802
Local pid:
pubs:151484
Source identifiers:
151484
Deposit date:
2012-12-19

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