Study of a new metamaterial particle of ‘AV’ shape

Abstract

Metamaterials which are formed by embedding inclusions and material components in the host media to achieve composite media that may be engineered to have qualitatively new physically realizable response functions that do not occur or may not be easily available in nature, have raised a great deal of interest in recent years. The potential ability to engineer materials with desired electric and magnetic properties to achieve unusual effects offers a great deal of excitement and promise to the scientific and engineering community. Several unusual shapes have been experimented upon by researchers leading to expansion of the world of negativity. In this paper one such shape namely 'AV' shape has been presented. Its permittivity and permeability are extracted and studied.Keywords-Double negative medium, Metamaterials, negative refractive index, V shape metamaterials, non-homogeneous media.

Intelligent Detection of Cracks in Metallic Surfaces Using a Waveguide Sensor Loaded with Metamaterial Elements

“…By integrating a metamaterial layer between the waveguide and the surface under test the sensor's sensitivity can be enhanced, as presented in [ 4 ]. Various shapes for metamaterial cells available in the literature; for instance split rings [ 17 ], omega shaped [ 18 ], AV-shaped [ 19 ] and U-shaped [ 20 ] cells. However, for sub-millimeter crack detection a split ring represents an excellent choice due to the high electrical field confinement in the gap.…”