Field steering of lateral-field excitation

John A. Kosinski, Yicheng Lu, Arthur Ballato

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations


A conventional' lateral-field excitation (LE) electrode consists of a single pair of segments separated by a narrow gap. The LE resonator parameters are then fixed at values determined by the orientation of the gap. The limitations of fixed field orientation can be overcome by using a Multiple Segmented Lateral-Field Excitation (MuSLE) electrode. This electrode differs from the 'conventional' case in the further segmentation of the driving electrode through the addition of a second gap perpendicular to the first. By so doing, it is possible to add a second component to the driving electric field, thus allowing the field orientation to be adjusted. This 'field steering' enables one to adjust a) the strengths with which the thickness modes are excited and b) the LE antiresonance frequencies. These effects provide a post-production means to optimize the performance of an LE resonator. The use of field steering also enables new possibilities in shear wave transducer design.

Original languageEnglish (US)
Pages (from-to)987-990
Number of pages4
JournalProceedings of the IEEE Ultrasonics Symposium
StatePublished - 1996
Externally publishedYes
EventProceedings of the 1996 IEEE Ultrasonics Symposium. Part 2 (of 2) - San Antonio, TX, USA
Duration: Nov 3 1996Nov 6 1996

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

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