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Study of split ring metamaterial with simultaneous wave guiding and energy harvesting capability
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Paper Abstract

This article presents the recent study in guiding acoustic waves by creating frequency band gaps and harvesting energy simultaneously from the vibration of the structure using split ring metamaterial. Traditionally, conventional materials are unable to create frequency stop bands. So, split ring metamaterial has been used which has shown the ability to filter acoustic waves in a certain frequency range by creating frequency stop bands. In this article, a 3D unit cell of aluminum with continuous periodicity and certain split ring resonator pattern is discussed. PVDF film is used in the structure as a piezoelectric material. Here, a wide range of frequency (0-30kHz) is studied to demonstrate the ability of the cell to create stop bands within the study range. From the study, it can be seen that this unit cell is capable of creating stop bands and at the same time harvest ~2.4μW of energy simultaneously under 10kΩ resistive load.

Paper Details

Date Published: 21 March 2019
PDF: 6 pages
Proc. SPIE 10967, Active and Passive Smart Structures and Integrated Systems XIII, 109672I (21 March 2019); doi: 10.1117/12.2530296
Show Author Affiliations
Fariha Mir, Univ. of South Carolina (United States)
Mustahseen M. Indaleeb, Univ. of South Carolina (United States)
Hossain Ahmed, Univ. of South Carolina (United States)
Sourav Banerjee, Univ. of South Carolina (United States)

Published in SPIE Proceedings Vol. 10967:
Active and Passive Smart Structures and Integrated Systems XIII
Alper Erturk, Editor(s)

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