Rectifying Acoustic Waves

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概要

• 論文の詳細を見る

• We propose a system for rectification of acoustic waves. The system consists of an array of triangular holes drilled in an elastically isotropic material. Assuming the propagation of transverse acoustic waves with polarization parallel to the holes, we confirm numerically that the rectification of acoustic waves occurs even in the frequency region with corresponding wavelength comparable to the dimensions of the scatterers. The rectification effects appear above a threshold frequency due to the Bragg diffraction owing to the periodic structures. The threshold frequency depends on the structural parameters, which enables the realization of a tunable rectifier.

• Japan Society of Applied Physicsの論文
• 2007-11-25

著者

• Tanaka Yukihiro

  Department Of Applied Physics Faculty Of Engineering Hokkaido University

• Nishiguchi Norihiko

  Department Of Applied Physics Hokkaido University

• Krishnan Ramya

  Department of Applied Physics, Hokkaido University, Kita-ku N13 W8, Sapporo 060-8628, Japan

• Shirota Shin-ichiro

  Department of Applied Physics, Hokkaido University, Kita-ku N13 W8, Sapporo 060-8628, Japan

• Nishiguchi Norihiko

  Department of Applied Physics, Hokkaido University, Kita-ku N13 W8, Sapporo 060-8628, Japan

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