Narrow electrodes on YZ-LiNbO3 as an alternative to etched grooves for dispersive delay lines

Narrow, open-circuited aluminum electrodes can provide controllable, weak reflectivity necessary for many applications such as surface acoustic wave (SAW) tags and dispersive delay lines (DDLs). We show, using finite- and boundary element method (FEM-BEM) based simulations and experiments, that a re...

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Bibliographic Details
Published in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2008-02, Vol.55 (2), p.494-498
Main Authors: Harma, S., Che-Uk Kim, Balashov, S.M., Plessky, V.P.
Format: Article
Language:English
Subjects:
Acoustic wave devices, piezoelectric and piezoresistive devices
Acoustic waves
Acoustics
Aluminum
Applied sciences
Circuit properties
Delay lines
Dispersion
Electric, optical and optoelectronic circuits
Electrodes
Electronics
Etching
Exact sciences and technology
Frequency estimation
Fundamental areas of phenomenology (including applications)
Manufacturing
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Physics
Reflectivity
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Surface acoustic waves
Transduction
acoustical devices for the generation and reproduction of sound
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Summary:Narrow, open-circuited aluminum electrodes can provide controllable, weak reflectivity necessary for many applications such as surface acoustic wave (SAW) tags and dispersive delay lines (DDLs). We show, using finite- and boundary element method (FEM-BEM) based simulations and experiments, that a reflectivity of 0.3% per wavelength can be achieved easily and controlled by varying the electrode width.
ISSN:0885-3010
1525-8955
DOI:10.1109/TUFFC.2008.667