Accession Number:

AD0775410

Title:

VHF-UHF Surface Wave Studies.

Descriptive Note:

Final rept. 1 Jul 71-30 Jun 73,

Corporate Author:

POLYTECHNIC INST OF BROOKLYN FARMINGDALE N Y DEPT OF ELECTRICAL ENGINEERING/ELECTROPHYSICS

Personal Author(s):

Report Date:

1974-01-01

Pagination or Media Count:

58.0

Abstract:

An analysis of wedge and grating transducers for elastic surface waves is presented based on viewing the transducer as a surface-wave detector. The analysis is then used to find the design criteria and operating characteristics, such as efficiency and band-width, of grating transducers for Rayleigh waves. When operating as a detector, the surface wave incident on the portion of the substrate covered by the wedge or grating is converted into a leaky wave that radiates one or more beams into the wedge or substrate, one of which is detected by a bulk-wave transducer. Besides giving insight into the operation of these transducers, the analysis based on the detector point of view is valid for cases, such as the Rayleigh-wave grating transducer, where more than one radiated beam is present. The design and operating characteristics of grating transducers are determined. Modified author abstract

Subject Categories:

  • Line, Surface and Bulk Acoustic Wave Devices

Distribution Statement:

APPROVED FOR PUBLIC RELEASE