Search Results - "Golby, K"

Review of Cold Cathode Research at the Air Force Research Laboratory by Shiffler, D., Haworth, M., Cartwright, K., Umstattd, R., Ruebush, M., Heidger, S., LaCour, M., Golby, K., Sullivan, D., Duselis, P., Luginsland, J.

“…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 by Shiffler, D., Fairchild, S., Tang, W., Maruyama, B., Golby, K., LaCour, M., Pasquali, M., Lockwood, N.

“…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 by Tang, W., Shiffler, D., LaCour, M., Golby, K., Knowles, T.

“…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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A high-current, large-area, carbon nanotube cathode by Shiffler, D., Zhou, O., Bower, C., LaCour, M., Golby, K.

“…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 by Shiffler, D., Ruebush, M., LaCour, M., Golby, K., Umstattd, R., Clark, M. C., Luginsland, J., Zagar, D., Sena, M.

“…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 by Shiffler, D., LaCour, M., Golby, K., Sena, M., Mithcell, M., Haworth, M., Hendricks, K., Spencer, T.

“…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 by Harte, James M., Golby, Christopher K., Acosta, Johanna, Nash, Edward F., Kiraci, Ercihan, Williams, Mark A., Arvanitis, Theodoros N., Naidu, Babu

“…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 by Shiffler, D.A., Luginsland, J., Ruebush, M., LaCour, M., Golby, K., Cartwright, K., Haworth, M., Spencer, T.

“…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 by Shiffler, D., Cartwright, K. L., Lawrence, Kim, Ruebush, M., LaCour, M., Golby, K., Zagar, D.

“…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 by Shiffler, D.A., Luginsland, J.W., Umstattd, R.J., LaCour, A., Golby, K., Haworth, M.D., Ruebush, M., Zagar, D., Gibbs, A., Spencer, T.A.

“…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 by Statom, T. K., Ruebush, M., Shiffler, D. A., Schamiloglu, E., LaCour, M., Golby, K.

“…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 by Shiffler, D.A., Ruebush, M., Zagar, D., LaCour, M., Golby, K., Collins Clark, M.C., Haworth, M.D., Umstattd, R.

“…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 by Tang, W., Shiffler, D., LaCour, M., Golby, K., Knowles, T.

“…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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Experimental and simulation study of electric field screenings of carbon fiber field emitters by Tang, W., Shiffler, D., LaCour, M., Golby, K., Knowles, T.

“…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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A 1.1 MV rep-rate in-line output switch and triggering system by Ramrus, A., Rohwein, G., Fleming, H., Hendricks, K., Shiffler, D., LaCour, M., Golby, K.

“…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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Advanced cathode and anode research at the Air Force Research Laboratory by Shiffler, D., Ruebush, M., LaCour, M., Golby, K., Cartwright, K., Haworth, M.

“…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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DC and pulsed studies of field emission from carbon fiber and carbon nanotube cathodes by Shiffler, D A, Fairchild, S, Lockwood, N, Tang, W, Maruyama, B, Golby, K, LaCour, M

“…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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Generation, propagation and diagnostics of a long pulse annular electron beam for an HPM source by Hendricks, K.J., Watrous, J., Humphries, S., Heggemeier, J., Baca, J., Haworth, M., Shiffler, D., Spencer, T., Cartwright, K., Mardahl, P., Scharle, C., LaCour, M., Golby, K.

“…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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Emission uniformity and shot-to-shot variation in cold field emission cathodes: Special issue on high-power microwave generation by SHIFFLER, Donald A, LUGINSLAND, J, RUEBUSH, M, LACOUR, M, GOLBY, K, CARTWRIGHT, K, HAWORTH, M, SPENCER, T

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Effects of anode materials on the performance of explosive field emission diodes: High-power microwave generation by SHIFFLER, Donald A, LUGINSLAND, John W, UMSTATTD, Ryan J, LACOUR, M, GOLBY, K, HAWORTH, Michael D, RUEBUSH, M, ZAGAR, D, GIBBS, A, SPENCER, Thomas A

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