Volume 14, Issue 4 (Iranian Journal of Physics Research,Winter 2015)                   IJPR 2015, 14(4): 288-292 | Back to browse issues page

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Pashaei Adl H, Roshan Entezar S. Tunable M-channel filter based on Thue-Morse heterostructures containing meta materials. IJPR. 2015; 14 (4) :288-292
URL: http://ijpr.iut.ac.ir/article-1-1716-en.html
Department of Physics, University of Tabriz, Tabriz, Iran , hamid.pashaei@gmail.com
Abstract:   (4163 Views)
In this paper the tunable M-channel filters based on Thue-Morse heterostructures consisting of single -negative materials has been studied. The results showed that the number of resonance modes inside the zero- gap increases as the number of heterogenous interface, M, increases. The number of resonance modes inside the zero- gap is equal to that of heterogenous interface M, and it can be used as M channels filter. This result provides a feasible method to adjust the channel number of multiple-channel filters. When losses are involved, the results showed that the electric fields of the resonance modes decay largely with the increase of the number of heterogenous interface and damping factors. Besides, the relationship between the quality factor of multiple-channel filters and the number of heterogenous interface M is linear, and the quality factor of multiple-channel filters decreases with the increase of the damping factor. These results provide feasible methods to adjust the quality factor of multiple-channel filters
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Type of Study: Research | Subject: General

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