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

Graduate Institute of Photonics

Research output: Contribution to journal › Article

7 Citations (Scopus)

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
Publication status	Published - 2012 Jul 30

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4742773

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Lu, J. H., Kuo, C. C., Hsiao, F-L., & Chen, C. C. (2012). Acoustic filter based on Helmholtz resonator array. Applied Physics Letters, 101(5), [051907]. https://doi.org/10.1063/1.4742773

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