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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 765-768 |
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Vafaei M, Moradi M, Bordbar G. Design of epsilon near zero metamaterial as a perfect plasmonic absorber and its application as slow and fast light. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :765-768
URL: http://opsi.ir/article-1-1822-en.html
URL: http://opsi.ir/article-1-1822-en.html
1- Department of Physics, Shiraz University, Shiraz
Abstract: (2178 Views)
In this paper, epsilon near-zero (ENZ) metamaterial was designed and investigated based on metal-dielectric-metal structure. In this structure, the coupling of incident light with surface mode creates the perfect plasmonic absorber with different applications. On the other hand, it was also shown that the nanostructure is tunable due to the structural features changes. For this purpose, the absorption and reflection coefficient was calculated via numerical simulation. Then, the characteristics of the wave propagation are investigated as fast and slow light, based on group delay. The results show that the proposed metamaterial has epsilon near zero at 1730 nm wavelength and quality factor of 9. At the end, it was proved that using the gold metal, the fast and slow light coefficient can reach 1100 and 850 respectively.
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