2010
DOI: 10.1103/physrevlett.105.074301
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Acoustic Transmission Enhancement through a Periodically Structured Stiff Plate without Any Opening

Abstract: We report both experimentally and theoretically that enhanced acoustic transmission can occur in the subwavelength region through a thin but stiff structured plate without any opening. This exotic acoustic phenomenon is essentially distinct from the previous related studies originated from, either collectively or individually, the interaction of the incident wave with openings in previous structures. It is attributed to the structure-induced resonant excitation of the nonleaky Lamb modes that exist intrinsical… Show more

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Cited by 86 publications
(63 citation statements)
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“…In fact, Lamb waves are guided waves that propagate through plates and, as demonstrated in [67,68], they are definitely linked with perforated plates. Recent results on high transmission have been also observed by He et al [69] for a corrugated brass plate immersed in water without the need of any opening. It has been explained as due to the fluid-solid resonant coupling attributed to a non-leaky elastic surface mode, corroborating the phononic-perforated plate connection.…”
Section: State Of the Artsupporting
confidence: 50%
See 1 more Smart Citation
“…In fact, Lamb waves are guided waves that propagate through plates and, as demonstrated in [67,68], they are definitely linked with perforated plates. Recent results on high transmission have been also observed by He et al [69] for a corrugated brass plate immersed in water without the need of any opening. It has been explained as due to the fluid-solid resonant coupling attributed to a non-leaky elastic surface mode, corroborating the phononic-perforated plate connection.…”
Section: State Of the Artsupporting
confidence: 50%
“…This phenomenon has been already proposed in [151,69] to explain transmission features predicted [151] measured [69] in periodically corrugated brass plates immersed in water both at normal incidence, though no direct proof has been given yet.…”
Section: Solid-solid Phononic Plates Immersed In Watermentioning
confidence: 91%
“…With acoustic surface waves being involved, transmissions of acoustic waves through structured plates have found far richer and more complicated physical phenomena in the past few years and will attract more attentions in the future [43][44][45]. Although this subject is an old problem, its new phenomena may appear from time to time and the underlying mechanism waits to be unlocked.…”
Section: Resultsmentioning
confidence: 99%
“…frequency ranges in which such materials do not support the propagation of elastic waves [1,2]. In force of their intrinsic features, PMs are suitable for the development of advanced technological devices such acoustic filters, ultrasonic silent blocks, resonators, sound lenses as well as for innovative applications including wave focusing and waveguiding [3][4][5][6][7][8][9][10].…”
Section: Introductionmentioning
confidence: 99%