Title :
Broadband bulk-wave cancellation in acoustic-surface-wave devices
Author :
LaRosa, R. ; Vasile, C.F.
Author_Institution :
Hazeltine Corporation, Greenlawn, USA
Abstract :
The two halves of a split transducer are arranged so that bulk-wave spurious transmission is cancelled. The surface-wave radiations from the two halves are made to reinforce each other by means of a phase shifter which affects only the surface wave.
Keywords :
phase shifters; surface phenomena; ultrasonic transducers; acoustic surface wave devices; broadband bulk wave cancellation; phase shifters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19720343