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|Title:||Comparison between an optical dielectric resonator nano-antenna reflectarray and an equivalent dielectric grating reflector|
|Citation:||Proceedings of the 2013 IEEE Antennas and Propagation Society International Symposium, 2013 / pp.1868-1869|
|Series/Report no.:||IEEE Antennas and Propagation Society International Symposium|
|Conference Name:||IEEE Antennas and Propagation Society International Symposium (2013 : Orlando, Florida)|
|Longfang Zou, Withawat Withayachumnankul, and Christophe Fumeaux, Charan Shah, Arnan Mitchell, Madhu Bhaskaran and Sharath Sriram|
|Abstract:||Conventional metallic nanoantennas suffer significant energy dissipation introduced by Drude metals in the optical frequency range. To overcome this limitation, optical dielectric resonator antenna (DRA) was proposed and demonstrated through a realization of optical DRA reflectarray with the capability of beam shaping. The reflectarray is composed of nanometer-scale cylindrical resonators operating in their fundamental HEM11δ mode. Through a comparison with a volume-equivalent dielectric grating reflector, this paper demonstrates that the beam shaping cannot be achieved without the resonance mechanism with this small volume and height of dielectric material.|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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