AI Article Synopsis
- The study presents the first observation of multiple-order bistability in a compliant acoustic cavity created by a spherical ultrasonic transducer in water and the liquid surface.
- The researchers noticed hysteretic behavior in the cavity length through amplitude ramps and frequency sweeps.
- A one-dimensional model of a compliant Fabry-Pérot resonator was used to accurately describe this behavior, with acoustic radiation pressure as the sole coupling factor.
Article Abstract
We report on the first observation of multiple-order bistability due to acoustic radiation pressure in a compliant acoustic cavity formed between a spherical ultrasonic transducer immersed in water and the free liquid surface located at its focus. The hysteretic behavior of the cavity length, observed both with amplitude ramps and frequency sweeps, is accurately described using a one-dimensional model of a compliant Fabry-Pérot resonator assuming the acoustic radiation pressure to be the only coupling between the cavity and the acoustic field.
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| http://dx.doi.org/10.1103/PhysRevLett.97.074502 | DOI Listing |
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