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"Metamaterial-Enhanced Resistive Wall Amplifiers: Theory and Particle-In-Cell Simulations" by Tyler Rowe, John H. Booske and Nader Behdad The resistive wall amplifier (RWA), a vacuum electron device, has been theoretically predicted to provide extremely high gain. However, the properties of practical, naturally available bulk materials for the resistive wall support structure significantly reduce achievable gain. This paper investigates the capabilities of a metamaterial-enhanced RWA (ME-RWA). We predict that using epsilon-negative metamaterials can yield high gains that closely approach the idealized performance limit. ME-RWAs may exhibit bandwidths and gains much higher than many commercially available vacuum electron devices. more...




A PUBLICATION OF THE IEEE NUCLEAR AND PLASMA SCIENCES SOCIETY
JULY 2015 \| VOLUME 43 \| NUMBER 7 \| ITPSBD \| (ISSN 0093-3813)
REGULAR PAPERS
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ANNOUNCEMENTS Call for Papers-Special Issue on the Physics of Dusty Plasmas Call for Papers-Special Issue on Pulsed Power Science and Technology Call for Papers-Special Issue on APSPT-9 2015, and SPSM-28
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"Metamaterial-Enhanced Resistive Wall Amplifiers: Theory and Particle-In-Cell Simulations"

A PUBLICATION OF THE IEEE NUCLEAR AND PLASMA SCIENCES SOCIETY