Acoustic surface wave convolver with bidirectional amplification
- 1 July 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 25 (1) , 7-10
- https://doi.org/10.1063/1.1655284
Abstract
A surface wave convolver has been fabricated and tested with an interdigital structure which serves both as the output transducer for the convolution signal and as the biasing electrodes for bidirectional surface wave amplification of the two countertraveling input signals. The structure consists of a CdSe film on a Y Z LiNbO3 substrate with a delay path of 5 μsec. A convolution efficiency of −16 dB m has been obtained. Time reversal has been performed with the device.Keywords
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