Read e-book online Artificial Materials PDF

By Olivier Vanbesien(auth.)

ISBN-10: 1118562720

ISBN-13: 9781118562727

ISBN-10: 1848213352

ISBN-13: 9781848213357

This booklet addresses man made fabrics together with photonic crystals (PC) and metamaterials (MM).

The first half is dedicated to layout strategies: unfavourable permeability and permittivity for detrimental refraction, periodic constructions, transformation optics.

The moment half issues notebook and MM in cease band regime: from cavities, courses to excessive impedance surfaces. irregular refraction, under one and unfavourable, in notebook 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 strategy – Permeability and Permittivity Engineering (pages 13–35):
Chapter three Photonic Crystal procedure – Band hole Engineering (pages 37–57):
Chapter four Transformation Optics (pages 59–70):
Chapter five element and prolonged Defects in Photonic Crystals (pages 73–94):
Chapter 6 Routing units made up of Photonic Crystals (pages 95–119):
Chapter 7 unmarried unfavorable 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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Extra info for Artificial Materials

Sample text

3 Diagram off the simulationn domain for a square s lattice photonic p crystall with five cells inn the direction of propagation studies (x direcction). The grayyed cells repressent the periodicity ty induced by thhe conditions att the boundariess (mirrors) The interface i betw ween the crysttal and the extterior is simplly fixed by coonsidering the air hole h in the midddle of the unnit cell, a cut corresponding c g to half the rremaining semiconductor betweeen two conseccutive holes. 8a showss the transmisssion coefficieents for three networks havving one, three annd five rowss of air holles in the propagation direction, d resppectively.

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.

We will focus in detail on such techniques, used in the case of dielectric photonic crystals, later on. Here we will look at a conception method close to experimental reality, which will help us to efficiently characterize the fabricated prototypes. As we have seen previously, transmission information is insufficient to prove that a material is left-handed. More information is necessary, such as the evolution of the phase of the transmission coefficient versus frequency, to which we will return, or the study of the dispersion diagram.

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Artificial Materials by Olivier Vanbesien(auth.)


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