Reconfigurable phononic crystal sensor for liquid detection
Tong Zhu,
Ting-Ting Wang,
Hong-Tao Zhou
et al.
Abstract:We propose a reconfigurable phononic crystal (PnC) for detecting the concentration of solutes in liquids. The designed PnC consists of liquid-filled hollow pillars and connecting bars. The finite element method is used to calculate the transmission spectra and band structures of PnC filled with various liquids. We fabricate 3D printed samples and conduct corresponding experiments. The results show that sound velocity is the key parameter affecting the frequency of the passing band. As the sound velocity increa… Show more
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