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Steerable optical antennas by selective heating



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Cuadrado, Alexander y Gonzalez, Francisco Javier y Alda, Javier (2014) Steerable optical antennas by selective heating. Optics letter, 39 (7). pp. 1957-1960. ISSN 0146-9592

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URL Oficial: http://dx.doi.org/10.1364/OL.39.001957

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Directional steerability can be obtained for an array of optical antennas through selective heating of the individual elements. Heating changes electrical conductivity of the heated element, which affects the phase of the generated currents. The variation in temperature can be obtained by modifying the biasing point of the individual elements of the array, which would allow fast reconfiguration. The numerical evaluation of the performance of an array of a reduced number of antennas (2 and 3) shows the feasibility of this approach.

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This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-1957]. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Palabras clave:Infrared; Plasmonics; Subwavelength structures; Resonance domain; Computational electromagnetic methods;Phased-array imaging systems
Materias:Ciencias > Física > Optica
Código ID:29500
Depositado:27 Abr 2015 16:20
Última Modificación:27 Abr 2015 16:20

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