By Tie Jun Cui, David Smith, Ruopeng Liu
Metamaterials: idea, layout and Applications makes a speciality of the newest learn job in metamaterials, taking a reader past formerly coated components like left-handed fabrics (LHM) and damaging index fabrics (LIM). a few new advancements lined within the ebook comprise a fast layout approach for inhomogeneous metamaterials, microwave and RF purposes of metamaterials and dynamic metamaterial structures. Editors Tie Jun Cui, David R. Smith and Ruopeng Liu compile the prime foreign minds considering metamaterials to supply an all-encompassing examine a rapidly-developing box. This e-book stands on my own as a must-read for any engineer or researcher operating with metamaterials.
Drawing on their years of expertise within the box, editors Tie Jun Cui, David R. Smith and Ruopeng Liu current a breadth of study in metamaterials, masking components like:
- Optical transformation idea, together with invisible cloaks, concentrators, beam splitters and antennas.
- Photonic metamaterials and the magnetic Plasmon influence.
- Experimental verification options for invisible cloaks.
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Sample text
Both resonant and nonresonant metamaterials have their own advantages and disadvantages. 3(b) shows the material properties of a typical resonant metamaterial composed of SRR, as illustrated in the inset of Fig. 3(a). From Fig. 3(b), one clearly observes that both the permittivity and the permeability have a large dynamic range near the resonant frequency. When the frequency changes a little bit, ε and μ vary a lot. In the other word, when the size of SRR particle has a small change, the resonant frequency has a small shift, which results in significant change of ε and μ .
Presented a mathematical description of invisible tunnel, which allows EM wave propagation inside the tunnel, but it is invisible to the observers [18]. According to the embedded optical transformation approach mentioned in the above section, a class of invisible slab cloaks was proposed and analyzed in [99]. The designed slab cloaking structures could force the incident EM waves to propagate around the cloaked objects in the slabs without any distortions. The potential application of such slab cloaks is a type substrate for integrated circuits, which will protect the devices inside from the interference of EM waves but not disturb their EM properties.
7 (a) The distributions of electric fields and power flow lines for a concentrator with heart shape. The incident plane waves propagate from the left to the right. (b) Power flow distributions for the concentrator with heart shape. Much stronger power flow enhancements can be observed in the inner region. 2 Optical Transformation Theory 35 Fig. 8 The distributions of electric fields for a non-conformal concentrator with different inner and outer boundaries. (a) The square outline of the concentrator is parallel to the x-axis.