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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2011 [1]
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The investigation of point defect modes of phononic crystal for high Q resonance (EI CONFERENCE)
会议论文
2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11, June 5, 2011 - June 9, 2011, Beijing, China
Li F.
;
Liu J.
;
Wu Y. H.
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提交时间:2013/03/25
Point defect cavity was constructed in a two-dimensional phononic crystal plate. It was excited by a small piezo chip in the cavity and the vibration of each point defect modes were detected by an optical interferometer. Point defect modes on 2D PC plate in vacuum
air and loaded with water were investigated theoretically and experimentally to make clear of Q factors
which are affected by inner attenuation
band gap effects and medium. The way to get high Q resonance has been found. It helps to design a new kind of resonator or sensor. 2011 IEEE.
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