Acoustic frequency combs using gas bubble cluster oscillations in liquids: A proof of concept

Bui Quoc Huy Nguyen; Ivan S. Maksymov; Sergey A. Suslov

doi:10.1038/s41598-020-79567-6

Acoustic frequency combs using gas bubble cluster oscillations in liquids: A proof of concept

Bui Quoc Huy Nguyen, Ivan S. Maksymov, Sergey A. Suslov

Swinburne University of Technology

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15 Citations (Scopus)

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Abstract

We propose a new approach to the generation of acoustic frequency combs (AFC)—signals with spectra containing equidistant coherent peaks. AFCs are essential for a number of sensing and measurement applications, where the established technology of optical frequency combs suffers from fundamental physical limitations. Our proof-of-principle experiments demonstrate that nonlinear oscillations of a gas bubble cluster in water insonated by a low-pressure single-frequency ultrasound wave produce signals with spectra consisting of equally spaced peaks originating from the interaction of the driving ultrasound wave with the response of the bubble cluster at its natural frequency. The so-generated AFC posses essential characteristics of optical frequency combs and thus, similar to their optical counterparts, can be used to measure various physical, chemical and biological quantities.

Original language	English
Article number	38
Number of pages	12
Journal	Scientific Reports
Volume	11
Issue number	1
DOIs	https://doi.org/10.1038/s41598-020-79567-6
Publication status	Published - 08 Jan 2021

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313745295 Published articleFinal published version, 2.31 MBLicence: CC BY

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AB - We propose a new approach to the generation of acoustic frequency combs (AFC)—signals with spectra containing equidistant coherent peaks. AFCs are essential for a number of sensing and measurement applications, where the established technology of optical frequency combs suffers from fundamental physical limitations. Our proof-of-principle experiments demonstrate that nonlinear oscillations of a gas bubble cluster in water insonated by a low-pressure single-frequency ultrasound wave produce signals with spectra consisting of equally spaced peaks originating from the interaction of the driving ultrasound wave with the response of the bubble cluster at its natural frequency. The so-generated AFC posses essential characteristics of optical frequency combs and thus, similar to their optical counterparts, can be used to measure various physical, chemical and biological quantities.

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Acoustic frequency combs using gas bubble cluster oscillations in liquids: A proof of concept

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