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22 April 2020 Transmission properties of modulated origami phononic structure at dirac points (Conference Presentation)
Megan Hathcock, Bogdan Popa, Kon-Well Wang
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Proceedings Volume 11381, Health Monitoring of Structural and Biological Systems XIV; 113810W (2020) https://doi.org/10.1117/12.2557786
Event: SPIE Smart Structures + Nondestructive Evaluation, 2020, Online Only
Abstract
Inspired by the presence of a Dirac cone in the band structure of graphene, researches have studied and produced phononic crystals with Dirac-like behaviors. Using Dirac physics, researchers have developed topological systems, zero-index materials, and one-way wave propagation. However, the interesting phenomena produced by these structures produce narrow band results and are difficult to physically implement. Using a reconfigurable origami structure, this research aims to illuminate the effects of phononic lattice perturbation on lattice degeneracies.
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Megan Hathcock, Bogdan Popa, and Kon-Well Wang "Transmission properties of modulated origami phononic structure at dirac points (Conference Presentation)", Proc. SPIE 11381, Health Monitoring of Structural and Biological Systems XIV, 113810W (22 April 2020); https://doi.org/10.1117/12.2557786
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KEYWORDS
Acoustics
Metamaterials
Crystals
Physics
Wave propagation
Backscatter
Graphene
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