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Acoustic Multiplexing by Beamsteering for SAW Chemical Multisensors

Title data

Fischerauer, Alice ; Geyer, Anna ; Schwarzmüller, Christian ; Fischerauer, Gerhard:
Acoustic Multiplexing by Beamsteering for SAW Chemical Multisensors.
In: IEEE (ed.): 2016 IEEE International Ultrasonics Symposium : Proceedings. - Piscataway, New Jersey : IEEE Explore Digital Library , 2016 . - pp. 1-4
DOI: https://doi.org/10.1109/ULTSYM.2016.7728769

Abstract in another language

A new concept for designing an integrated chemical multisensor with only two ports based on surface acoustic waves is presented. Following a principle from antenna theory an acoustic group antenna is assembled consisting of a number of identical interdigital transducers that are fed with currents of equal amplitude, but with a phase difference between neighbors. The propagation of the wave launched by such an antenna is investigated through simulation of the associated surface potential. In order to validate the concept and the simulation arrays with up to ten element-IDTs are built and the distribution of the periodic displacement of the substrate surface is observed by laser interferometry.

Further data

Item Type: Article in a book
Refereed: No
Keywords: Surface acoustic wave; SAW; chemical sensor; multisensor; acoustic multiplexing; beamsteering
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 14 Nov 2016 08:22
Last Modified: 16 Nov 2016 07:57
URI: https://eref.uni-bayreuth.de/id/eprint/35118