Ultrasound generation in water via quasi-periodically snapping polymeric core–shell micro-bead excited with radiowaves
Salvatore Buonocore,
Aliaksandr Hubarevich,
Francesco De Angelis
Abstract:This work reports the results of a theoretical and numerical study showing the occurrence of stochastically resonating bistable dynamic in polymeric micro-bead of sub-micrometric size with stiff core and soft shell. The system, submerged in water, is excited with a pulsed laser working in the Mega-Hertz frequency range and tuned to match both an optical and acoustic resonance of the system. The laser interacts with the carbon nanotubes embedded in the shell of the polymeric micro-bead generating heat. The conc… Show more
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