21 May 2015 Optically controlled GeTe phase change switch and its applications in reconfigurable antenna arrays
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Abstract
Characterization of GeTe-Based RF Switches under direct optical laser excitation is shown with the ON state DC electrical resistivity and OFF state capacitance. Based on our tightly-coupled dipole array with performance in excess of 4 to 1 bandwidth over wide-scan angle up to 60 degrees, and with in-band rejection capability using reconfigurable baluns, the antenna aperture is shown to exhibit reconfiguration flexibility with the integration of optically-controlled GeTe-Based RF switches.
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Loc Chau, Loc Chau, James G. Ho, James G. Ho, Xing Lan, Xing Lan, Gregor Altvater, Gregor Altvater, Robert M. Young, Robert M. Young, Nabil El-Hinnawy, Nabil El-Hinnawy, Doyle Nichols, Doyle Nichols, John Volakis, John Volakis, Nima Ghalichechian, Nima Ghalichechian, } "Optically controlled GeTe phase change switch and its applications in reconfigurable antenna arrays", Proc. SPIE 9479, Open Architecture/Open Business Model Net-Centric Systems and Defense Transformation 2015, 947905 (21 May 2015); doi: 10.1117/12.2179852; https://doi.org/10.1117/12.2179852
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