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10 February 2017 Shared aperture antenna for simultaneous two-dimensional beam steering at near-infrared and visible
Ali Forouzmand, Hossein Mosallaei
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J. of Nanophotonics, 11(1), 010501 (2017). https://doi.org/10.1117/1.JNP.11.010501
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) (λ1=1055  nm) and visible (λ2=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 (≈0.25λ1). The presented structure is customizable in form and can easily be scaled to other frequency ratios.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE) 1934-2608/2017/$25.00 © 2017 SPIE
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Ali Forouzmand and Hossein Mosallaei "Shared aperture antenna for simultaneous two-dimensional beam steering at near-infrared and visible," Journal of Nanophotonics 11(1), 010501 (10 February 2017). https://doi.org/10.1117/1.JNP.11.010501
Received: 22 September 2016; Accepted: 26 January 2017; Published: 10 February 2017
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