Abstract
We introduce an improved and simplified structure made of periodic arrays of pairs of H-shaped metallic wires that offer a potentially simpler approach in building negative-index materials. Using simulations and microwave experiments, we have investigated the negative-index n properties of these structures. We have measured experimentally both the transmittance and the reflectance properties and found unambiguously that a negative refractive index with Re(n)<0 and Im(n)<Re(n). The same is true for ε and μ. Our results show that H-shaped wire pairs can be used very effectively in producing materials with negative refractive indices.
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Dates
Type | When |
---|---|
Created | 19 years, 2 months ago (May 31, 2006, 3:37 a.m.) |
Deposited | 2 years, 1 month ago (July 2, 2023, 8:44 p.m.) |
Indexed | 4 weeks ago (July 30, 2025, 6:47 a.m.) |
Issued | 19 years, 2 months ago (May 29, 2006) |
Published | 19 years, 2 months ago (May 29, 2006) |
Published Online | 19 years, 2 months ago (May 30, 2006) |
Published Print | 19 years, 2 months ago (May 29, 2006) |
@article{Zhou_2006, title={Experimental demonstration of negative index of refraction}, volume={88}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2208264}, DOI={10.1063/1.2208264}, number={22}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Zhou, Jiangfeng and Koschny, Thomas and Zhang, Lei and Tuttle, Gary and Soukoulis, Costas M.}, year={2006}, month=may }