Journal
OPTICS EXPRESS
Volume 17, Issue 16, Pages 13989-13994Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.013989
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Funding
- Natural Science Foundation of Guangdong Province, China [07117866]
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Characteristics of a multiple-teeth-shaped plasmonic filter are analyzed. As an extension of this structure, an asymmetrical multiple-teeth-shaped structure is proposed and numerically simulated by using the finite difference time domain method with perfectly matched layer absorbing boundary condition. It is found that the asymmetrical structure can realize the function of a narrow-passband filter. The central wavelength of the passband linearly increases with the simultaneous increasing of d(1) and d(2). (C) 2009 Optical Society of America
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