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Proceedings Paper

Characterization of phononic heterostructures by infrared thermography
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Paper Abstract

This work deals with the development of a new class of metamaterials based on phononic composite structures that can offer vibration protection in a wide range of applications. Such phononic heterostructures is a class of phononic crystals that exhibit spectral gaps with lattice constants of a few orders of magnitude smaller than the relevant acoustic wavelength. The design of a phononic composite metamaterial is based on the formation of omnidirectional frequency gaps. This is very much relevant to the dimensionality of a finite slab of the crystal. In this respect, two dimensional structures are used to cut off acoustic waves. In this study, different infrared thermography techniques were used in order to assess the phononic structure’s geometry, as well as to determine the thermal properties of the metamaterial.

Paper Details

Date Published: 3 June 2015
PDF: 8 pages
Proc. SPIE 9485, Thermosense: Thermal Infrared Applications XXXVII, 94850Y (3 June 2015); doi: 10.1117/12.2177323
Show Author Affiliations
D. A. Exarchos, Univ. of Ioannina (Greece)
I. Tragazikis, Univ. of Ioannina (Greece)
I. Psarobas, Univ. of Ioannina (Greece)
T. E. Matikas, Univ. of Ioannina (Greece)

Published in SPIE Proceedings Vol. 9485:
Thermosense: Thermal Infrared Applications XXXVII
Sheng-Jen (Tony) Hsieh; Joseph N. Zalameda, Editor(s)

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