Metamaterials with Negative Parameters: Theory, Design and by Ricardo Marqués

By Ricardo Marqués

The first common textbook to provide an entire assessment of metamaterial concept and its microwave applications

Metamaterials with detrimental Parameters represents the single unified therapy of metamaterials on hand in a single handy ebook. committed in general to metamaterials that may be characterised through a destructive potent permittivity and/or permeability, the e-book features a broad evaluation of crucial subject matters, medical basics, and technical purposes of metamaterials.

Chapter insurance comprises: the electrodynamics of left-handed media, synthesis of bulk metamaterials, synthesis of metamaterials in planar know-how, microwave purposes of metamaterial thoughts, and complex and comparable themes, together with SRR- and CSRR-based admittance surfaces, magneto- and electro-inductive waves, and sub-diffraction imaging units. an inventory of difficulties and references is incorporated on the finish of every bankruptcy, and a bibliography bargains a whole, up-to-daterepresentation of the present state-of-the-art in metamaterials.

Geared towards scholars and pros alike, Metamaterials with unfavorable Parameters is a perfect textbook for postgraduate classes and likewise serves as a beneficial introductory reference for scientists and RF/microwave engineers.

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Additional resources for Metamaterials with Negative Parameters: Theory, Design and Microwave Applications

Sample text

K12 , k22 , m22 À m21 (1:37) which is also the dispersion relation for s-polarized (or TE, or LSE) surface waves. 3), the frequency dependence of kz (v) will depend on the specific characteristics of the left-handed medium. Dispersion curves for surface waves at the interface between free space and left-handed media have been investigated in [35,36] for some realistic frequency dependences of 12 and m2. 3). Surface waves can also be guided along the interfaces between ordinary and negative m media, and at the interface between a medium with negative 1 and other with negative m [38].

In fact, as will be shown in this section, under some circumstances such tunneling of power can be so high that all the incident power will flow through the slab. This “perfect tunneling” effect will be analyzed in this section. Instead of analyzing incidence in free space, a different but fully equivalent system will be analyzed. 9, and consists of a rectangular waveguide that includes a section filled with a left-handed medium with 1=10 ! 9 Illustration of a device designed to study perfect tunneling and amplification of evanescent waves in a waveguide.

Find the dispersion relation for TM surface waves at the interface between two media with 11 . 0 and 12 , 0. 2) in the limit k ! 1. For small values of k, these waves have a different dispersion relation and are sometimes called surface polaritons. See [3] for a deeper discussion on surface plasmons – polaritons. 4. Energy flow of a plane wave in a left-handed medium. 5. Left-handed concave and convex lenses. Show that a concave (convex) lens made of a left-handed metamaterial becomes convergent (divergent).

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