| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Schlieren Visualization of Acoustic Propagation Characteristics in a One-Dimensional Phononic Crystal |
| JIANG Xue-Ping, QIAN Meng-Lu, CHENG Qian** |
Institute of Acoustics, Tongji University, Shanghai 200092
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| Cite this article: |
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JIANG Xue-Ping, QIAN Meng-Lu, CHENG Qian 2013 Chin. Phys. Lett. 30 084302 |
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Abstract The acoustic propagation characteristics of a finite one-dimensional water-glass phononic crystal (PC) are studied using the Schlieren visualization method, which is fast and non-invasive. The band structures of this PC are measured experimentally with continuous acoustic waves incident on it using the Schlieren method, and the results are highly consistent with the theoretical calculations. The dynamic acoustic field in the PC at different frequencies is imaged and the resonance phenomena in the components of the PC are observed. The results show that the Schlieren method is an effective means of studying the interactions between acoustic waves and PCs.
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Received: 07 April 2013
Published: 21 November 2013
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| PACS: |
43.35.+d
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(Ultrasonics, quantum acoustics, and physical effects of sound)
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43.20.+g
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(General linear acoustics)
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