Title :
Energy-trapped shallow bulk acoustic waves
Author :
Yen, K.H. ; Lau, K.F. ; Kagiwada, R.S.
Author_Institution :
TRW Defense and Space Systems Group, Redondo Beach, USA
Abstract :
A low-loss high-sidelobe-rejection shallow bulk acoustic filter has been constructed. The delay line consisted of apodised and finger-withdrawal-weighted transducers as well as a metallic energy-trapping grating. Experimental results are given and discussed.
Keywords :
acoustic delay lines; acoustic waves; filters; ultrasonic delay lines; delay line; energy trapping grating; finger withdrawal weighted transducer; hamming function apodised transducer; low loss high sidelobe rejection shallow bulk acoustic filter; shallow bulk acoustic filter; shallow bulk acoustic waves;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790144
