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Proceedings Paper

High-frequency phononic crystal structures based on metallic pillars on piezzoelectric membranes (Presentation Video)
Author(s): Reza Pourabolghasem; Ali Asghar Eftekhar; Saeed Mohammadi; Ali Adibi
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Paper 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.

Paper Details

Date Published: 13 May 2015
PDF: 1 pages
Proc. SPIE 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015, 94360R (13 May 2015); doi: 10.1117/12.2176207
Show Author Affiliations
Reza Pourabolghasem, Georgia Institute of Technology (United States)
Ali Asghar Eftekhar, Georgia Institute of Technology (United States)
Saeed Mohammadi, Georgia Institute of Technology (United States)
Ali Adibi, Georgia Institute of Technology (United States)


Published in SPIE Proceedings Vol. 9436:
Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015
Kara J. Peters, Editor(s)

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