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Effect of negative acoustic refraction in a one-dimensional phononic crystal

โœ Scribed by O. S. Tarasenko; S. V. Tarasenko; V. M. Yurchenko

Book ID
110140686
Publisher
SP MAIK Nauka/Interperiodica
Year
2004
Tongue
English
Weight
44 KB
Volume
80
Category
Article
ISSN
0021-3640

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โœ Degang Zhao; Wengang Wang; Zhengyou Liu; Jing Shi; Weijia Wen ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 246 KB

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