Abstract In this paper, we present the electromagnetic analysis of a rectangular cavity partially filled with a left-handed material slab. Our theoretical investigation shows that there exist novel resonant modes in the cavity, and such a cavity becomes a subwavelength cavity. The eigenvalue equation of the cavity is derived and the resonant frequencies of the novel modes are calculated by using numerical simulation. We also discuss the stability of the novel resonant modes and show the best condition under which a useful rectangular cavity of subwavelength dimensions with tolerable stability is obtained.
Received: 09 January 2006
Revised: 20 January 2006
Accepted manuscript online:
Fund: Project supported by the State Key Development Program for Basic Research of China (Grant No 2004CB719800), the Doctoral Program Foundation of Institute of Higher Education of China (Grant No 20030284024).
Cite this article:
Jiang Tian (姜田), Chen Yan (陈艳), Feng Yi-Jun (冯一军) Subwavelength rectangular cavity partially filled with left-handed materials 2006 Chinese Physics 15 1154
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