6 GHz Microwave Power-Beaming Demonstration with 6-kV Rectenna and Ion-Breeze Thruster

Cummings, Terry; Janssen, J.; Karnesky, J.; Laks, David B.; Santillo, M.; Strause, B.; Myrabo, Leik N.; Alden, A.; Bouliane, P.; Zhang, M.

doi:10.1063/1.1721021

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Large-area Rectenna1

Introduction1

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2006

2023

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Cited by 4 publications

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“…The large-area design is currently being evaluated. A low-power, high-voltage hybrid version, scaled to 6 GHz, was used in the world's first demonstration of WPT to an ion propulsion engine [14]. This array used 2250 contiguous dipoles with surface-mount Schottky diodes, to provide an output voltage of 6 kV.…”

Section: Large-area Rectennamentioning

confidence: 99%

“…While these 'rectennas' can give high efficiencies of conversion, for example, over 80% at 2.45 GHz, they are, on account of their limited power handling, ill-suited for recently proposed aerospace applications. These applications will employ millimetre-wave beams with power densities ranging from 1 to 10 W/cm 2 for high-altitude platform and microair vehicle (MAV) powering [2]- [5], to 2 kW/cm 2 and above, for the Microwave Lightcraft [6], ion engine propulsion [6], [7], and MHD augmentation of rocket engines [8]. These densities are up to four orders of magnitude above those normally considered for wireless power transmission (WPT).…”

Section: Introductionmentioning

confidence: 99%

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