alexa Physical Electronics New Findings|OMICS International|Journal Of Electrical And Electronic Systems

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Physical Electronics New Findings

Physical Electronics, electrical science engineering field applies electricity and electromagnetism. Engineering science is taken into account to be centered on large-scale systems like power and physical science engineering to be centered on small-scale systems like computers. An alternate distinction refers to engineering science because the study and application of electricity to transmit energy and physical science engineering because the study and application of electricity to method systems. There's no such distinction, and also the distinction is changing into less definitive in different components of the planet additionally, because the growing field of power physical science incorporates parts of each. Non-ideal 1D photonic crystal is modeled as a macroscopically homogeneous layered system (which is one dimensional Si-liquid crystal superlattice with two elements-layers in the cell) with randomly included admixture layers. The virtual crystal approach which is the method to describe quasi-particle excitations in disorder media is used. Peculiarities of the dependence of photonic band gap width on admixture layers concentration have been studied. The results are the evidence of substantial polariton spectrum reconstruction caused by presence of defect layers. The optical characteristics of an imperfect superlattice may be significantly altered as a result of transformation of its polariton spectrum due to presence of admixture layers. The developed theory is a basis for phenomenological description of a wide class of optical processes in non-ideal multilayered systems. The optical characteristics of the non-ideal photonic crystals may vary due to transformation of its photon modes spectrum caused by the presence of admixture elements. The case of non-ideal multilayered systems with bigger number sub-lattices and components of alien layers allows even for a greater variety in behavior of the refractive index and the gap width. This circumstance considerably widens the opportunities for modeling such composite materials with prescribed properties (Peculiarities of Propagation of Electromagnetic Excitations through Nonideal 1d Photonic Crystal - Vladimir V. Rumyantsev).
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Last date updated on June, 2014

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