Maier, Stefan A. and Brongersma, Mark L. and Atwater, Harry A. (2002) Electromagnetic Energy Transport Along Yagi Arrays. Materials Science and Engineering C, 19 (1-2). pp. 291-294. ISSN 0928-4931 http://resolver.caltech.edu/CaltechAUTHORS:20111118-110804143
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Yagi arrays consisting of closely spaced metal rods (spacing=2mm, height=14mm) were investigated as guiding structures for electromagnetic energy in the microwave regime at 8 GHz (λ=37mm) both by experiment and simulation. Information transport is possible at a group velocity of 0.6c. Ninety percent of the electromagnetic energy is confined within a distance of 0.05λ from the guiding structures. The propagation loss in a straight array is 3 dB/8cm. Routing of energy around 90° corners is possible with a power loss of 3–4 dB. Signals can be split via a tee structure which can also serve as a three-terminal modulator. Analogies to plasmon wires consisting of arrays of nm-size metal clusters are discussed.
|Additional Information:||© 2001 Materials Research Society. Available online 24 October 2001. This work was supported by the Centre for Science and Engineering of Materials at Caltech. We are grateful to Mr. Kent Polter and Prof. Bill Bridges for expert technical assistance and advice.|
|Official Citation:||Stefan A Maier, Mark L Brongersma, Harry A Atwater, Electromagnetic energy transport along Yagi arrays, Materials Science and Engineering: C, Volume 19, Issues 1-2, 2 January 2002, Pages 291-294, ISSN 0928-4931, 10.1016/S0928-4931(01)00401-5. (http://www.sciencedirect.com/science/article/pii/S0928493101004015)|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||21 Nov 2011 15:44|
|Last Modified:||21 Nov 2011 15:49|
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