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Utilization of phononic-crystal reflective gratings in a layered surface acoustic wave device

✍ Scribed by Wu, Tsung-Tsong; Wang, Wei-Shan; Sun, Jia-Hong; Hsu, Jin-Chen; Chen, Yung-Yu


Book ID
120641759
Publisher
American Institute of Physics
Year
2009
Tongue
English
Weight
663 KB
Volume
94
Category
Article
ISSN
0003-6951

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In this article, we report both theoretical calculation and experimental observation of acoustic waves abnormally through a onedimensional layered transmitted phononic crystal at frequencies within the band gap into a material of large acoustic impedance mismatch, with an efficiency as high as unity