OPTICAL PROBING OF BULK WAVES PRESENT IN ACOUSTIC SURFACE WAVE DELAY LINES
- 1 November 1970
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 17 (9) , 369-371
- https://doi.org/10.1063/1.1653439
Abstract
Diffraction of laser light from bulk waves present in a LiNbO3 surface wave delay line has been used to probe surface wave mode conversion. Up to 4% of the power present in a surface wave incident on a reactively loaded interdigital transducer has been observed to be scattered into shear waves. In addition, a driven interdigital transducer has been seen to radiate bulk waves with directivity properties well described by a phased array antenna model.Keywords
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