Search Results - "Lockwood, Nathaniel P"

  • Showing 1 - 14 results of 14
Refine Results
  1. 1

    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

    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…”
    Get full text
    Journal Article
  2. 2

    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.

    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…”
    Get full text
    Journal Article
  3. 3

    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.

    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,…”
    Get full text
    Journal Article
  4. 4

    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.

    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…”
    Get full text
    Journal Article
  5. 5
  6. 6

    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…”
    Get full text
    Conference Proceeding
  7. 7
  8. 8
  9. 9

    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…”
    Get full text
    Conference Proceeding
  10. 10

    Investigation of radio frequency discharges and Langmuir probe diagnostic methods in a fast flowing electronegative background gas by Lockwood, Nathaniel P

    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…”
    Get full text
    Dissertation
  11. 11

    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…”
    Get full text
    Dissertation
  12. 12

    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…”
    Get full text
    Conference Proceeding
  13. 13

    Single walled nanotube fiber cathode emission property modification and evaluation by Lockwood, N. P., Tang, W., Fairchild, S. B.

    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…”
    Get full text
    Conference Proceeding
  14. 14

    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…”
    Get full text
    Conference Proceeding