Artificial Materials by Olivier Vanbesien(auth.)

By Olivier Vanbesien(auth.)

This publication addresses synthetic fabrics together with photonic crystals (PC) and metamaterials (MM).

The first half is dedicated to layout innovations: adverse permeability and permittivity for unfavorable refraction, periodic constructions, transformation optics.

The moment half issues computing device and MM in cease band regime: from cavities, courses to excessive impedance surfaces. irregular refraction, under one and detrimental, in computer and MM are studied in a 3rd half, addressing super-focusing and cloaking.

Applications for telecommunications, lasers and imaging platforms also are explored.

Content:
Chapter 1 Definitions and ideas (pages 3–12):
Chapter 2 The Metamaterial process – Permeability and Permittivity Engineering (pages 13–35):
Chapter three Photonic Crystal method – Band hole Engineering (pages 37–57):
Chapter four Transformation Optics (pages 59–70):
Chapter five aspect and prolonged Defects in Photonic Crystals (pages 73–94):
Chapter 6 Routing units made of Photonic Crystals (pages 95–119):
Chapter 7 unmarried damaging Metamaterials (pages 121–136):
Chapter eight Two?Dimensional Microwave Balanced Composite Prism (pages 139–155):
Chapter nine Metal?Dielectric fabrics – from the Terahertz to the noticeable (pages 157–176):
Chapter 10 irregular Refraction in Photonic Crystals (pages 177–195):
Chapter eleven A Photonic Crystal Flat Lens at Optical Wavelength (pages 197–223):
Chapter 12 Wave?Controlling structures – in the direction of skip and Invisibility (pages 225–252):
Chapter thirteen Guiding, Filtering and Routing Electromagnetic Waves (pages 255–278):
Chapter 14 Antennas (pages 279–300):
Chapter 15 Optics: Fibers and Cavities (pages 301–320):
Chapter sixteen Detection, Imaging and Tomography structures (pages 321–340):

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Vol. 91, pp. 181908, 2007. 1. Historical background The inclusion of “photonic crystals” seems unavoidable in the category of artificial materials. This generic term covers designations such as “photonic band gap materials” and “electromagnetic band gap materials”. Their emergence in this area of wave propagation control slightly predates the notion of “metamaterials”, since it goes back to the early eighties and the works of Eli Yablonovitch, proposing a new crystal, named “Yablonovite”. What originally sparked the scientific community’s interest was the ability to artificially conceive devices allowing us to stop the propagation of light or of electromagnetic waves in the three directions of space over the whole spectrum: the creation of a complete band gap, made from apparently transparent building blocks when taken separately.

91, pp. 181908, 2007. 1. Historical background The inclusion of “photonic crystals” seems unavoidable in the category of artificial materials. This generic term covers designations such as “photonic band gap materials” and “electromagnetic band gap materials”. Their emergence in this area of wave propagation control slightly predates the notion of “metamaterials”, since it goes back to the early eighties and the works of Eli Yablonovitch, proposing a new crystal, named “Yablonovite”. What originally sparked the scientific community’s interest was the ability to artificially conceive devices allowing us to stop the propagation of light or of electromagnetic waves in the three directions of space over the whole spectrum: the creation of a complete band gap, made from apparently transparent building blocks when taken separately.

They T are also the result of o an impedaance mismatchh on the frequenccy band givenn between the crystal and the t outside m medium simulaated (here the equivvalent of a diielectric matriix). 35, we get a second band gapp. 8. 4 a/λ); and (b) real and imaginary parts of the propagation constant for the square lattice photonic crystal. The three curves correspond to one row (squares), three rows (triangles) and five rows (circles) in a x-directed propagation. 8b, which is equivalent to the band structure of the mode studied, is independent from the number of rows of the crystal across the band considered, which tends to show that the parameters obtained correspond intrinsically to the crystal and validate the “homogenization” process.

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