Artificial Materials by Olivier Vanbesien(auth.)

By Olivier Vanbesien(auth.)

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

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

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

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

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 of Photonic Crystals (pages 95–119):
Chapter 7 unmarried adverse 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 platforms – 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 platforms (pages 321–340):

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4. 5 This model produces a frequency band situated between ω0 and ωp for which µ is negative. As was the case for permittivity, there is a great level of dispersion and the amplitudes obtained strongly depend on the term of losses introduced in the modeling. If γ is equal to 0, permeability can evolve between +∞ and−∞. The greater γ is, the smaller the variation will be. In some cases, permeability will remain positive throughout the spectrum. Moreover, we can see that the imaginary part of permeability peaks around ω0.

The simulated structures have five unit cells in the direction of propagation. The structure is infinitely reproduced following the directions of the incident electric and magnetic fields, through the use of symmetry planes of a Perfect E type (PEC) in the Ox direction and Perfect H type (PMC) in the Oz direction. 1×107 S/m) is taken into account in the metallic structure’s model. 6 (no material losses are considered). 10. 11a corresponds to the double Ω structure, the Ω letters on a row being linked by their arms).

2], by correctly extracting the root of the multiplication of ε by µ (and by a positive imaginary part of this extraction keeping as reference point), we could find the complex index of refraction of such a virtual material that combines wire and ring resonators. 5. 5. 4 (hyperbolic model) Let us mention that the gray section has no physical meaning in this case as only one of the two parameters (in this case ε) is negative and the medium is opaque to electromagnetic waves. Beyond the permeability resonance, we find a dispersive and negative index of reasonable value ranging from -2 to 0 that becomes positive after the plasma frequencies of ε and µ are considered equal in the example.

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