Search Results - "GOLBY, K"
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Review of Cold Cathode Research at the Air Force Research Laboratory
Published in IEEE transactions on plasma science (01-06-2008)“…Over the last decade, the Air Force Research Laboratory, Directed Energy Directorate (AFRL/DE) has engaged in a high current density field emission cathode…”
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Demonstration of an Acid-Spun Single-Walled Nanotube Fiber Cathode
Published in IEEE transactions on plasma science (01-07-2012)“…Field emission dc cold cathodes continue as an important area of research for uses such as electron microscopy, novel X-ray sources, vacuum electronic devices,…”
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Study of the electric field screening effect on low number of carbon fiber field emitters
Published in 2015 IEEE International Conference on Plasma Sciences (ICOPS) (01-05-2015)“…Summary form only given. Field emitter arrays have the potential to provide high current density, low voltage operation, and high pulse repetition for radar…”
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Conference Proceeding -
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A high-current, large-area, carbon nanotube cathode
Published in IEEE transactions on plasma science (01-10-2004)“…Carbon nanotubes (CNTs) have attracted great attention as electron emitters. These field emission cathodes operate at room temperature without a heater, in…”
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Emission uniformity and emission area of explosive field emission cathodes
Published in Applied physics letters (29-10-2001)“…Explosive field emission cathodes have been used extensively in high power microwave tubes. These cathodes emit electrons without the use of cathode heaters…”
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Comparison of velvet- and cesium iodide-coated carbon fiber cathodes
Published in IEEE transactions on plasma science (01-06-2001)“…Presents results of an experimental comparison of a velvet cathode- and a carbon fiber cathode-coated with cesium iodide (CsI) salt. Each cathode had a planar…”
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Chest wall motion analysis in healthy volunteers and adults with cystic fibrosis using a novel Kinect-based motion tracking system
Published in Medical & biological engineering & computing (01-11-2016)“…Respiratory disease is the leading cause of death in the UK. Methods for assessing pulmonary function and chest wall movement are essential for accurate…”
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Emission uniformity and shot-to-shot variation in cold field emission cathodes
Published in IEEE transactions on plasma science (01-06-2004)“…High-power microwave tubes require currents and voltages generally in excess of 1 kA and 100 kV. In the past, these system requirements led to the use of…”
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Experimental and computational estimate of bipolar flow parameters in an explosive field emission cathode
Published in Applied physics letters (21-07-2003)“…Explosive field emission cathodes constitute an important class of cathodes for high power microwave tubes. These cathodes have the advantages of being light…”
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Effects of anode materials on the performance of explosive field emission diodes
Published in IEEE transactions on plasma science (01-06-2002)“…Explosive field-emission cathodes have been the electron emitter of choice, and often necessity, for high-power microwave (HPM) tubes for many years. The…”
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Adsorbate effects on pulsed electron diode anode thermal response
Published in Journal of vacuum science & technology. A, Vacuum, surfaces, and films (01-05-2005)“…Anode thermal response is important in determining the operation of repetitively pulsed electron diodes and the systems using them. Thermal response determines…”
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Emission uniformity and emittance of explosive field-emission cathodes
Published in IEEE transactions on plasma science (01-08-2002)“…Explosive field-emission cathodes as well as plasma-flashover cathodes are important for high-power microwave tubes. These cathodes have the advantage of being…”
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Study of the electric field screening effect on low number of carbon fiber field emitters
Published in 2016 IEEE International Conference on Plasma Science (ICOPS) (01-06-2016)“…Field emitter arrays have the potential to provide high current density, low voltage operation, and high pulse repetition for radar and communication. It is…”
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Conference Proceeding -
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Experimental and simulation study of electric field screenings of carbon fiber field emitters
Published in 2013 Abstracts IEEE International Conference on Plasma Science (ICOPS) (01-06-2013)“…Field emitter arrays have the potential to provide high current density, low voltage operation, and high pulse repetition for radar and communication. It is…”
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Conference Proceeding -
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A 1.1 MV rep-rate in-line output switch and triggering system
Published in Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) (2003)“…An output switch system has been developed for a 100 /spl Omega/ PFN. The output pulse to a matching load has 0.55 MV peak amplitude, with a 1 /spl mu/s pulse…”
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Conference Proceeding -
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Advanced cathode and anode research at the Air Force Research Laboratory
Published in Conference Record of the Twenty-Fifth International Power Modulator Symposium, 2002 and 2002 High-Voltage Workshop (2002)“…High power microwave (HPM) tubes require currents and voltages generally in excess of 1 kA and 100 kV. Traditionally such systems have operated in poor vacuum…”
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Conference Proceeding -
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DC and pulsed studies of field emission from carbon fiber and carbon nanotube cathodes
Published in 2010 Abstracts IEEE International Conference on Plasma Science (01-06-2010)“…Field emission cathodes have been a research topic for many decades, with recent interest centering on carbon nanotube (CNT) and carbon fiber structures. These…”
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Conference Proceeding -
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Generation, propagation and diagnostics of a long pulse annular electron beam for an HPM source
Published in Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) (2003)“…We are in the process of re-assembling the injection-locked relativistic Klystron oscillator to increase the duration of the high power microwave pulse. This…”
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Conference Proceeding -
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