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Journal of Nanophotonics

Shared aperture antenna for simultaneous two-dimensional beam steering at near-infrared and visible
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Paper Abstract

A dual-band multilayer shared aperture antenna (SAA) is presented, which can recognize anomalous two-dimensional beam steering simultaneously at two distinct operating wavelengths lie in near-infrared (NIR) ( λ 1 = 1055    nm ) and visible ( λ 2 = 700    nm ) spectra. The supercell consists of one large cross-shaped resonator antenna (top layer) and a 2 × 2 square-shaped patches (bottom layer). This compact bifunctional dual-band reflectarray SAA can steer the main beam toward relatively large angles ( 40    deg ) in both θ - and ϕ -planes at dual-frequency bands. The state-of-the-art techniques in antenna design are exploited to attain the minimized aperture size and negligible coupling among NIR and visible arrays. The overall height of the antenna is 275 nm ( 0.25 λ 1 ). The presented structure is customizable in form and can easily be scaled to other frequency ratios.

Paper Details

Date Published: 10 February 2017
PDF: 8 pages
J. Nanophoton. 11(1) 010501 doi: 10.1117/1.JNP.11.010501
Published in: Journal of Nanophotonics Volume 11, Issue 1
Show Author Affiliations
Ali Forouzmand, Northeastern Univ. (United States)
Hossein Mosallaei, Northeastern Univ. (United States)


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