SAW transducers on GaAs that follow the true group-velocity wavefront, rather than a quadratic approximation, produce near-diffraction-limited focused beams and a compact high-Q microcavity.
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Focusing Surface Acoustic Wave Microcavities on GaAs
SAW transducers on GaAs that follow the true group-velocity wavefront, rather than a quadratic approximation, produce near-diffraction-limited focused beams and a compact high-Q microcavity.