Narrow Electrodes on YZ-LiNbO<SUB>3</SUB> as an Alternative to Etched Grooves for Dispersive Delay Lines

Narrow Electrodes on YZ-LiNbO₃ as an Alternative to Etched Grooves for Dispersive Delay Lines

Sanna Härmä, Che-Uk Kim, Sergei M. Balashov, and Victor P. Plessky

ABSTRACT 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.

Digital Object Identifier 10.1109/TUFFC.2008.667

Back to Table of Contents

Narrow Electrodes on YZ-LiNbO3 as an Alternative to Etched Grooves for Dispersive Delay Lines

Narrow Electrodes on YZ-LiNbO₃ as an Alternative to Etched Grooves for Dispersive Delay Lines