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Optical Negative-Index Metamaterial Using CSRR by Incidenting the Light Horizontally at Near-Infrared Domain
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作者 Ammar Armghan xinguang hu +1 位作者 Shuai Yuan Jinsong Xia 《Journal of Electromagnetic Analysis and Applications》 2016年第3期56-61,共6页
Metamaterial structure based on cascaded split ring resonators (CSRR) is proposed in order to produce a negative refractive index in terahertz regime at near-infrared range. We have incident light horizontally instead... Metamaterial structure based on cascaded split ring resonators (CSRR) is proposed in order to produce a negative refractive index in terahertz regime at near-infrared range. We have incident light horizontally instead of incidenting it perpendicular. We have measured the negative refractive index, permeability and permittivity by using the S-parameter analysis. Furthermore, it is found out that negative refractive index, permeability and permittivity are dependent upon the width of the wire and the gap between resonators at near-infrared range. This work will be helpful for the fabrication and design of double negative metamaterials structure having negative permeability, permittivity and negative refractive index for in plane applications. 展开更多
关键词 METAMATERIALS Negative Refractive Index Left Handed Material Scattering Parameters
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Negative Refractive Index Metamaterial Structure Using SRR by Incidenting the Light Horizontally
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作者 Ammar Armghan xinguang hu +1 位作者 Shuai Yuan Jinsong Xia 《Journal of Electromagnetic Analysis and Applications》 2015年第11期276-282,共7页
Metamaterial structure based on split ring resonators (SRR) is proposed in order to produce a negative refractive index. For this structure we have used a new approach, instead of applying light perpendicularly incide... Metamaterial structure based on split ring resonators (SRR) is proposed in order to produce a negative refractive index. For this structure we have used a new approach, instead of applying light perpendicularly incident. We apply horizontally incident input waves. A model of SRR is used to understand the behavior and its affects. We calculate the S-parameters using S-parameter analysis and the results for transmission, refractive index, permeability and permittivity of the structure is induced. The negative refractive index is found to be significantly dependent upon the width of the continuous wire as well as gap between resonators. Moreover, we study the effect of lattice constant on the electromagnetic response of the structure. It is expected that this work will provide useful information for design and fabrication of metamaterials with negative refractive index for in-plane applications. 展开更多
关键词 METAMATERIALS NEGATIVE Refractive Index LEFT Handed Material SCATTERING Parameters
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