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Title: Birefringent phononic structures

Within the framework of elastic anisotropy, caused in a phononic crystal due to low crystallographic symmetry, we adopt a model structure, already introduced in the case of photonic metamaterials, and by analogy, we study the effect of birefringence and acoustical activity in a phononic crystal. In particular, we investigate its low-frequency behavior and comment on the factors which determine chirality by reference to this model.
Authors:
; ;  [1]
  1. Dept. of Materials Science and Engineering, University of Ioannina, 451 10 Ioannina (Greece)
Publication Date:
OSTI Identifier:
22420182
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Advances; Journal Volume: 4; Journal Issue: 12; Other Information: (c) 2014 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ANISOTROPY; BIREFRINGENCE; CHIRALITY; CRYSTALLOGRAPHY; CRYSTALS; METAMATERIALS