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The phenomenon of super energy flows in the anisotropic left-handed material

100%
Xu B., Yu G., Xia L., Wang Z.
Open Physics
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2013
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vol. 11
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issue 1
106-110
EN
The super energy flows generated and transmitted have been investigated in a parallel-plate waveguide, which is filled with air and the anisotropic left-handed materials. Theoretical analysis and numerical simulations show that the propagation modes of the anisotropic super waveguide are consistent with those of the isotropic waveguides [1–3]. They also show that the loss of electromagnetic parameters size of waveguide will influence the amplitude of time-average power flows.
2
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Beam deflection and splitting using transformation optics

100%
Yu G., Jiang W., Cui T.
Open Physics
|
2011
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vol. 9
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issue 1
183-188
EN
We propose a scheme to achieve beam defecting and splitting using a method of embedded coordinate transformation [1]. In this method one boundary of transformation region is not involved in the transformation, which means beam defecting and splitting can be realized by changing the geometric construction. Although there is a discontinuous boundary, the impendence is matched between transformation media and surrounding media according to the conventional transformation optics. Full-wave numerical simulations further verify the theoretical analysis.
3
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Design of miniaturization resonant cavities using metamaterial

100%
Yu G., Cao L., Zhou M.
Open Physics
|
2012
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vol. 10
|
issue 1
140-144
EN
Based on the method of transformation optics, we show the miniaturization of a resonant cavity filled with metamaterials. Because the electromagnetic behavior in the transformation space is invariant in the original space, the quality factor Q and the resonant modes of a miniaturized resonant cavity filled with metamaterial are the same as for those in the original space. Theoretical analysis and numerical simulation confirms that the miniaturization of resonant cavities is effective.
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