Sound amplification by stimulated emission of radiation (Saser) with cylindrical resonator

Zavtrak, S. T.; Volkov, I. V.

doi:10.1016/0041-624x(96)00060-1

Cited by 3 publications

(2 citation statements)

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“…Although we were able to generate just a few comb lines, we found that their structure was similar to that produced in earlier works 14 . It should suffice for such practical applications as phonon lasers 59 , 60 for the realisation of which an acoustic resonator filled with a liquid containing gas bubbles acting as the active medium was suggested 69 . In such a scheme, bubble oscillations have to be self-synchronised to resonate at a certain frequency, which can be achieved by appropriately tuning the AFC lines.…”

Section: Discussionmentioning

confidence: 99%

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

Nguyen

Maksymov

Suslov

2021

Sci Rep

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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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Section: Discussionmentioning

confidence: 99%

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

Nguyen

Maksymov

Suslov

2021

Sci Rep

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“…9); this creates a filter of elastic waves which would enable one to transmit a signal within a narrow range of frequencies. Filters of this type might be efficient in the design of acoustic lasers (the so-called 'sasers', Makler et al, 1996;Zavtrak and Volkov, 1996). …”

Section: Eigenvalues and Eigenvectorsmentioning

confidence: 99%