期刊
JOURNAL OF APPLIED PHYSICS
卷 96, 期 9, 页码 5338-5340出版社
AMER INST PHYSICS
DOI: 10.1063/1.1803942
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We present experimental measurements at microwave frequencies of a double band left-handed metamaterial. The sample of metamaterial is composed of an extended version of the S-shaped resonators that exhibit simultaneously a negative permittivity and a negative permeability response at comparable frequencies. The experimental results clearly show that there exist two frequency bands where the refraction index is negative. The double left-handed passbands are due to the multiple capacitances and inductances induced in the structure, which can be further tuned to realize a metamaterial with multiple (more than two) left-handed frequency bands. (C) 2004 American Institute of Physics.
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