Volume 21, Issue 3 (JIAEEE Vol.21 No.3 2024)
Journal of Iranian Association of Electrical and Electronics Engineers 2024, 21(3): 0-0 |
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Fasihi K, imani M. Design and simulation of 1×3 acoustic demultiplexer based on hexagonal phononic crystal ring resonators. Journal of Iranian Association of Electrical and Electronics Engineers 2024; 21 (3)
URL: http://jiaeee.com/article-1-1519-en.html
URL: http://jiaeee.com/article-1-1519-en.html
Faculty of Engineering, Golestan University, Gorgan, Iran
Abstract: (241 Views)
In this paper, design and simulation of an acoustic demultiplexer based on phononic crystal ring resonators is presented. The proposed structure consists of one input and three outputs. The dimensions of the structure are 180× 243 mm2 and it consists of water cylinders on a mercury bed. After applying a pulse wave in the frequency range of 74.6 to 75.4 kHz to the structure, three channels with frequencies of 74.82, 75.02 and 75.28 kHz are separated. In this study, finite element method in Comsol software is used. The proposed device with a transmittance of more in the output channels, very high quality factor and low amount of crosstalk between the output channels (which is at the worst case is -45 dB), has very suitable features for the implementation of The acoustic demultiplexer.
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