Acoustic filter based on Helmholtz resonator array

Jyun Hong Lu; Chung Chun Kuo; Fu Li Hsiao; Chii Chang Chen

doi:10.1063/1.4742773

Acoustic filter based on Helmholtz resonator array

Jyun Hong Lu, Chung Chun Kuo, Fu Li Hsiao, Chii Chang Chen

Department of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

We investigate theoretically and experimentally the absorption of a Helmholtz resonator (HR) array, an aluminum device operated in water. The HR array's period is 2 mm. The operating frequency range is ∼0.2-0.7 MHz. We observed two transmission dips in both experimental and theoretical spectra. These dips are dominated by different resonance orders in the HR. The resonance behaviors are investigated with steady-fields simulation and can be represented by spring-mass models. This allows us to reduce the device's footprint significantly.

Original language	English
Article number	051907
Journal	Applied Physics Letters
Volume	101
Issue number	5
DOIs	https://doi.org/10.1063/1.4742773
State	Published - 30 Jul 2012

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abstract = "We investigate theoretically and experimentally the absorption of a Helmholtz resonator (HR) array, an aluminum device operated in water. The HR array's period is 2 mm. The operating frequency range is ∼0.2-0.7 MHz. We observed two transmission dips in both experimental and theoretical spectra. These dips are dominated by different resonance orders in the HR. The resonance behaviors are investigated with steady-fields simulation and can be represented by spring-mass models. This allows us to reduce the device's footprint significantly.",

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N2 - We investigate theoretically and experimentally the absorption of a Helmholtz resonator (HR) array, an aluminum device operated in water. The HR array's period is 2 mm. The operating frequency range is ∼0.2-0.7 MHz. We observed two transmission dips in both experimental and theoretical spectra. These dips are dominated by different resonance orders in the HR. The resonance behaviors are investigated with steady-fields simulation and can be represented by spring-mass models. This allows us to reduce the device's footprint significantly.

AB - We investigate theoretically and experimentally the absorption of a Helmholtz resonator (HR) array, an aluminum device operated in water. The HR array's period is 2 mm. The operating frequency range is ∼0.2-0.7 MHz. We observed two transmission dips in both experimental and theoretical spectra. These dips are dominated by different resonance orders in the HR. The resonance behaviors are investigated with steady-fields simulation and can be represented by spring-mass models. This allows us to reduce the device's footprint significantly.

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Acoustic filter based on Helmholtz resonator array

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