High-frequency phononic crystal structures based on metallic pillars on piezzoelectric membranes (Presentation Video)

Reza Pourabolghasem; Ali Asghar Eftekhar; Saeed Mohammadi; Ali Adibi

doi:10.1117/12.2176207

13 May 2015 High-frequency phononic crystal structures based on metallic pillars on piezzoelectric membranes (Presentation Video)

Reza Pourabolghasem, Ali Asghar Eftekhar, Saeed Mohammadi, Ali Adibi

Author Affiliations +

Proceedings Volume 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015; 94360R (2015) https://doi.org/10.1117/12.2176207
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Phononic crystal (PnC) structures based on an array of metallic pillars on a piezzoelectric substrate will be discussed as a means for achieving PnBG at high (e.g., GHz) frequencies. In addition to operation at higher frequencies, the advantage of metallic-pillar-based structures in providing design flexibility for functional PnC-based devices will be discussed. Experimental evidence for the existence of the PnBG in these structures and the use of their relatively wide bandgap for the implementation of practical PnC devices (especially waveguides and resonators) will be theoretically and experimentally demonstrated, and the prospects of these structures for practical applications (e.g., sensing and wireless communications) will be discussed.

Citation Download Citation

Reza Pourabolghasem, Reza Pourabolghasem, Ali Asghar Eftekhar, Ali Asghar Eftekhar, Saeed Mohammadi, Saeed Mohammadi, Ali Adibi, Ali Adibi, "High-frequency phononic crystal structures based on metallic pillars on piezzoelectric membranes (Presentation Video)", Proc. SPIE 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015, 94360R (13 May 2015); doi: 10.1117/12.2176207; https://doi.org/10.1117/12.2176207

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