Channel Spoof Surface Plasmon Polaritons and its Experimental Verification

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Abstract:

Subwavelength guiding of channel plasmon polaritons (CPPs) is realized by a properly structured metallic groove at frequencies far below the surface plasma frequency of metal. Compared with CPPs at visible frequencies, more versatile physical mechanisms can be introduced in these CPPs by surface patterning, so that they can exhibit superior features as visible CPPs, while eliminating the potential drawbacks of the latter. Microwave experimental measurement in the transmittance verifies the high efficiency of wave guiding in such spoof CPPs, agreeing with the theoretical prediction.

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305-307

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January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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