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Possible design procedure for low-loss 180 degrees reflecting arrays in SAW devices
1Dept. of Eng. Sci., Oxford Univ.
Abstract:
A procedure for designing highly reflecting arrays to specified responses in surface acoustic-wave (SAW) devices is proposed. Multiple reflections in the low-loss arrays are fully taken into account. The problem is made tractable by using a 180 degrees reflecting geometry rather than reflecting the SAW twice through 90 degrees.