Search Results - "Lockwood, Nathaniel P"
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Temperature Comparison of Looped and Vertical Carbon Nanotube Fibers during Field Emission
Published in Applied sciences (01-07-2018)“…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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Journal Article -
2
Observation of Pressure-Dependence in RF-Modulated Electron Beam Interactions With a Resonant Cylindrical Cavity
Published in IEEE transactions on plasma science (01-09-2022)“…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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Journal Article -
3
A Novel Compact and Portable Linear Accelerator Electron Beam System
Published in IEEE transactions on plasma science (01-04-2023)“…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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Journal Article -
4
Field emission from laser cut CNT fibers and films
Published in Journal of materials research (14-02-2014)“…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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Journal Article -
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Field Emission from Laser Cut CNT Fibers and Films– CORRIGENDUM
Published in Journal of materials research (28-02-2014)Get full text
Journal Article -
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Field emission excitation of a high pressure noble gas
Published in 2016 IEEE International Conference on Plasma Science (ICOPS) (01-06-2016)“…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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Conference Proceeding -
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Erratum to: Field Emission from Laser Cut CNT Fibers and Films–CORRIGENDUM
Published in Journal of materials research (2014)“…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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Journal Article -
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1.5: Development of field emission cathodes, electron gun and a slow wave structure for a terahertz traveling wave tube
Published in 2010 IEEE International Vacuum Electronics Conference (IVEC) (01-05-2010)“…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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Conference Proceeding -
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Noble gas meta-stable state excitation using carbon nanotube fiber cathodes
Published in 2014 IEEE 41st International Conference on Plasma Sciences (ICOPS) held with 2014 IEEE International Conference on High-Power Particle Beams (BEAMS) (01-05-2014)“…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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Conference Proceeding -
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Investigation of radio frequency discharges and Langmuir probe diagnostic methods in a fast flowing electronegative background gas
Published 01-01-2007“…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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Dissertation -
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Investigation of radio frequency discharges and Langmuir probe diagnostic methods in a fast flowing electronegative background gas
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Dissertation -
12
Optimized High-Resolution Simulation of a THz Traveling Wave Tube Amplifier
Published in 2010 DoD High Performance Computing Modernization Program Users Group Conference (01-06-2010)“…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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Conference Proceeding -
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Single walled nanotube fiber cathode emission property modification and evaluation
Published in IVEC 2012 (01-04-2012)“…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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Conference Proceeding -
14
Virtual Prototyping of Directed Energy Weapons
Published in 2005 Users Group Conference (DOD-UGC'05) (2005)“…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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Conference Proceeding