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The decrease in a 0.5- to 1-GHz surface wave signal due to its interaction with a noncollinear 1.13-GHz pump has been observed to be as large as 1.7 dB. The selection rules for the nonlinear elastic interaction show the possibility of single-sideband mixing and beam deflection of the idler.
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P.H. Carr (1971) studied this question.
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