A method for analyzing periodic strips with apodization

Author

Danicki, Eugene J.

Author_Institution

Inst. of Fundamental Technol. Res., Polish Acad. of Sci., Warsaw

Volume

55

Issue

9

fYear

2008

fDate

9/1/2008 12:00:00 AM

Firstpage

1890

Lastpage

1894

Abstract

Interdigital transducers applied in surface acoustic wave devices have fingers (conducting strips) of varying lengths defining the transducer apodization. Most theoretical papers neglect finite fingers´ length in evaluation of the electric field in the transducer plane and the transducer´s capacitance. This letter presents the generalized Blotekjaer, Ingebrigtsen, and Skeie´s expansion analysis that may help in filling this gap in the transducer theory.

Keywords

acoustic imaging; capacitance; interdigital transducers; surface acoustic wave transducers; Ingebrigtsen expansion analysis; Skeie´s expansion analysis; apodization; capacitance; conducting strips; electric field; generalized Blotekjaer analysis; interdigital transducers; periodic strips; surface acoustic wave devices; Anisotropic magnetoresistance; Electric potential; Equations; Green function; Strips; Voltage; Acoustics; Algorithms; Computer Simulation; Computer-Aided Design; Equipment Design; Equipment Failure Analysis; Models, Theoretical; Scattering, Radiation; Transducers;

fLanguage

English

Journal_Title

Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on

Publisher

ieee

ISSN

0885-3010

Type

jour

DOI

10.1109/TUFFC.879

Filename

4626916