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A tunable acoustic diode made by a metal plate with periodical structure
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10.1063/1.3693374
/content/aip/journal/apl/100/10/10.1063/1.3693374
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/10/10.1063/1.3693374
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic diagram of AD structure.

Image of FIG. 2.
FIG. 2.

(Color online) Numerical results of spatial distributions of acoustic energy flux: (a) TI, (c) BI, and (e) PP at 362 kHz; (b) TI, (d) BI, and (f) PP at 844 kHz.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Numerical transmission spectra of AD for TI, BI, and PP and (b) numerical contrast ratio of AD.

Image of FIG. 4.
FIG. 4.

(Color online) Numerical transmission spectra of AD with different sizes of unit cells for TI, BI, and PP: (a) n = 0.75, frequency ranges of UDT: 480–556 kHz and 1062–1246 kHz; (b) n = 0.875, frequency ranges of UDT: 408–460 kHz and 908–1068 kHz; (c) n = 1.125, frequency ranges of UDT: 320–374 kHz and 740–830 kHz; and (d) n = 1.25, frequency ranges of UDT: 286–320 kHz and 628–748 kHz.

Image of FIG. 5.
FIG. 5.

(Color online) (a) Schematic diagram of experimental set up and (b) experimentally measured angular distributions of transmission spectra at 844 kHz for TI, BI, and PP.

Image of FIG. 6.
FIG. 6.

(Color online) (a) Numerical (NU) and experimental (EX) transmission spectra of AD for TI, BI, and PP and (b) numerical and experimental contrast ratios of AD.

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/content/aip/journal/apl/100/10/10.1063/1.3693374
2012-03-09
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A tunable acoustic diode made by a metal plate with periodical structure
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/10/10.1063/1.3693374
10.1063/1.3693374
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