Title :
Interdigital transducer for acousto-optic tunable filter on LiNbO 3
Author :
Duchet, C. ; Di Maggio, M.
Author_Institution :
Alcatel Alsthom Recherche, Marcoussis
fDate :
7/20/1995 12:00:00 AM
Abstract :
Interdigital transducers on X-cut Y-propagating lithium niobate generate parasitic Bleustein-Gulyaev waves which reduce the acoustic efficiency. An increased number of electrode pairs improves the efficiency and an AOTF driven by an RF electric power of only 6 mW can be realised
Keywords :
acousto-optical filters; circuit tuning; interdigital transducers; surface acoustic wave filters; 6 mW; AOTF; LiNbO3; RF electric power; X-cut Y-propagating substrate; acoustic efficiency; acousto-optic tunable filter; electrode pairs; interdigital transducer; parasitic Bleustein-Gulyaev waves;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19950851
