Search Results - "Lockwood, Nathaniel P."

Temperature Comparison of Looped and Vertical Carbon Nanotube Fibers during Field Emission by Zhang, Peng, Park, Jeongho, Fairchild, Steven, Lockwood, Nathaniel, Lau, Yue, Ferguson, John, Back, Tyson

“…Carbon nanotube (CNT) fiber-based emitters have shown great potential to deliver stable, high current beams for various potential applications. Because of…”
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Observation of Pressure-Dependence in RF-Modulated Electron Beam Interactions With a Resonant Cylindrical Cavity by Connelly, Joseph M., Harris, John R., Watrous, J. Jack, Sommars, Wayne E., Lockwood, Nathaniel P.

“…We present a series of experiments, in which the relativistic (5-20 MeV), low current (tens of milliamperes) electron beam from a microwave (2856 MHz) linear…”
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A Novel Compact and Portable Linear Accelerator Electron Beam System by Miller, R. Bruce, Trujillo, Henry, Johnson, Richard W., Andreev, Andrey D., Smith, Don, Lopez, Alberto, Lockwood, Nathaniel P., Enderich, Daniel A., Harris, John R., Schaub, Samuel C., Lambrecht, Michael R.

“…A lightweight, portable 15 MeV electron beam linear accelerator (LINAC) system has been developed for research applications. Our approach uses a commercial,…”
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Field emission from laser cut CNT fibers and films by Fairchild, Steven B., Bulmer, John S., Sparkes, Martin, Boeckl, John, Cahay, Marc, Back, Tyson, Murray, P. Terrence, Gruen, Gregg, Lange, Matthew, Lockwood, Nathaniel P., Orozco, Francisco, O’Neill, William, Paukner, Catharina, Koziol, Krzysztof K. K.

“…Field emission (FE) measurements are reported from carbon nanotube (CNT) fibers and laser-patterned free standing films fabricated by direct online…”
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Field Emission from Laser Cut CNT Fibers and Films– CORRIGENDUM by Fairchild, Steven B., Bulmer, John S., Sparkes, Martin, Boeckl, John, Cahay, Marc, Back, Tyson, Murray, P. Terrence, Gruen, Gregg, Lange, Matthew, Lockwood, Nathaniel P., Orozco, Francisco, O’Neill, William, Paukner, Catharina, Koziol, Krzysztof K. K.

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Field emission excitation of a high pressure noble gas by Lockwood, Nathaniel P., Pitz, Greg A., Fairchild, Steven B., Lange, Matthew A.

“…Electric Hybrid Lasers (EHL) combines the benefits of a solid state laser (SSL) and a gas phase system. EHLs have the electrical capacity of an SSL and the…”
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Erratum to: Field Emission from Laser Cut CNT Fibers and Films–CORRIGENDUM by Fairchild, Steven B., Bulmer, John S., Sparkes, Martin, Boeckl, John, Cahay, Marc, Back, Tyson, Murray, P. Terrence, Gruen, Gregg, Lange, Matthew, Lockwood, Nathaniel P., Orozco, Francisco, O’Neill, William, Paukner, Catharina, Koziol, Krzysztof K. K., Kozlowski, Gregory

“…In Fairchild et al., Gregory Kozlowski was omitted from the author list. The corrected list of authors and affiliations appears below…”
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1.5: Development of field emission cathodes, electron gun and a slow wave structure for a terahertz traveling wave tube by Lockwood, Nathaniel P, Cartwright, Keith L, Gensheimer, P D, Shiffler, D A, d'Aubigny, Christian Y, Walker, Christopher K, Young, Abraham, Fairchild, Steven B, Maruyama, Benji

“…High power terahertz (THz) sources and amplifiers hold the potential to greatly improve remote sensing and high bandwidth communication. To enable these…”
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Noble gas meta-stable state excitation using carbon nanotube fiber cathodes by Lockwood, Nathaniel P., Pitz, Greg A., Fairchild, Steven B., Lange, Matthew A.

“…Summary form only given. Electric Hybrid Lasers (EHL) are of great interest for commercial and government application due to their ability to combine the…”
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Investigation of radio frequency discharges and Langmuir probe diagnostic methods in a fast flowing electronegative background gas by Lockwood, Nathaniel P

“…Discharges in a flowing background gas are used to produce charged and excited atomic and molecular species for numerous applications including etching…”
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Investigation of radio frequency discharges and Langmuir probe diagnostic methods in a fast flowing electronegative background gas by Lockwood, Nathaniel P

“…Discharges in a flowing background gas are used to produce charged and excited atomic and molecular species for numerous applications including etching…”
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Optimized High-Resolution Simulation of a THz Traveling Wave Tube Amplifier by Olson, Spencer E., Lockwood, Nathaniel P., Gensheimer, Paul D.

“…Modeling of complex systems typically requires many iterations of theoretical design, numerical simulation, and analysis. The goal of this project was to…”
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Single walled nanotube fiber cathode emission property modification and evaluation by Lockwood, N. P., Tang, W., Fairchild, S. B.

“…High direct currents of 2.0 mAmps for a 15 micron diameter single walled nanotube (SWNT) fiber were achieved. Highly aligned, dense SWNT morphology in the…”
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Virtual Prototyping of Directed Energy Weapons by Cartwright, K.L., Amdahl, D.J., Bettencourt, M., Bowers, L.A., Greenwood, A.D., Fichtl, C.A., Fleming, T.P., Haworth, M.D., Lenyk, C.A., Lockwood, N.P., Mardahl, P.J., Peterkin, R.E., Luginsland, J.W., Watrous, J.J.

“…This paper gives an overview of how RF systems, from pulsed power to antennas, can be virtually prototyped with the ICEPIC (Improved Concurrent Electromagnetic…”
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