| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Numerical Study of Low-Loss Cross Left-Handed Metamaterials at Visible Frequency |
| ZHU Wei-Ren, ZHAO Xiao-Peng |
| Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710129 |
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| Cite this article: |
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ZHU Wei-Ren, ZHAO Xiao-Peng 2009 Chin. Phys. Lett. 26 074212 |
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Abstract We present a numerical study of left-handed metamaterials (LHMs) composed of double cross pairs at visible frequency. The S-parameter retrieval method is adopted to confirm the negative refractive characteristic of this design. Compared with fishnet LHMs, the proposed cross LHMs have a much lower loss, which will greatly facilitate practical applications. It is also found that, with the same size of resonant cells, the cross LHMs have a higher frequency than fishnet LHMs, which is explained using a simple effective LC circuit model.
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| Keywords:
42.25.Bs
78.20.-e
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Received: 05 March 2009
Published: 02 July 2009
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| PACS: |
42.25.Bs
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(Wave propagation, transmission and absorption)
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78.20.-e
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(Optical properties of bulk materials and thin films)
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