Bulk Acoustic Wave Approach To Wideband Radio-Frequency Spectrum Analysis

F. Sabet-Peyman; K. Chau; R. Dwelle

doi:10.1117/12.940738

9 November 1987 Bulk Acoustic Wave Approach To Wideband Radio-Frequency Spectrum Analysis

F. Sabet-Peyman, K. Chau, R. Dwelle

Proceedings Volume 0789, Optical Technology for Microwave Applications III; (1987) https://doi.org/10.1117/12.940738
Event: 1987 Technical Symposium Southeast on Optics, Electro-Optics, and Sensors, 1987, Orlando, FL, United States

Abstract

The need to process the ever increasing number of exotic signals simultaneously, is a major motivation to develop efficient Bulk Acoustic Wave (BAW) processors. In devices using active input arrays it is important that the phased transducers not only operate over a wideband but also steer the BAWs efficiently over a large angular span. We demonstrate wideband spurious free beam steering of an input transducer array that is fabricated using dielectric well technology. Operation of BAW spectrum analyzers based on active input arrays is modeled, where various issues of importance such as anisotropy and mode conversion are taken into consideration. Acoustic beam profiles are measured via Bragg scattering of focused laser beams. The experiments demonstrate channelization of RF signals in a LiNb03 device and validate our theoretical diffraction model that is based on Huygen's principle.

Citation Download Citation

F. Sabet-Peyman, K. Chau, and R. Dwelle "Bulk Acoustic Wave Approach To Wideband Radio-Frequency Spectrum Analysis", Proc. SPIE 0789, Optical Technology for Microwave Applications III, (9 November 1987); https://doi.org/10.1117/12.940738

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