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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 1957–1960

Steerable optical antennas by selective heating

Alexander Cuadrado, Francisco Javier González, and Javier Alda  »View Author Affiliations


Optics Letters, Vol. 39, Issue 7, pp. 1957-1960 (2014)
http://dx.doi.org/10.1364/OL.39.001957


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Abstract

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.

© 2014 Optical Society of America

OCIS Codes
(040.3060) Detectors : Infrared
(110.5100) Imaging systems : Phased-array imaging systems
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(250.5403) Optoelectronics : Plasmonics
(050.5745) Diffraction and gratings : Resonance domain
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: January 3, 2014
Revised Manuscript: February 6, 2014
Manuscript Accepted: February 21, 2014
Published: March 24, 2014

Citation
Alexander Cuadrado, Francisco Javier González, and Javier Alda, "Steerable optical antennas by selective heating," Opt. Lett. 39, 1957-1960 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-1957


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