Search Results - "HEIDGER, Susan"

Experiments on a Disk-on-Rod Traveling Wave Tube Amplifier Driven by a Nonlinear Transmission Line Modulated Electron Beam by Simon, David H., Hoff, Brad W., Schrock, James A., Beeson, Sterling, Tang, Wilkin, Lepell, Paul D., Montoya, Thomas, French, David M., Heidger, Susan L.

“…Experiments have demonstrated high-power amplification (100 MW class) from a traveling wave amplifier driven by a modulated electron beam. The modulated…”
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FDTD/Flux-Corrected Transport Model for Highly Non-Linear Dielectrics by Greenwood, Andrew D., Christlieb, Andrew J., Hoff, Brad W., Heidger, Susan L.

“…Non-linear ferro-electric materials exhibit electromagnetic shock-forming properties which can be a challenge for electromagnetic modeling algorithms such as…”
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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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Electron Bunching in a Nonlinear Transmission Line-Driven Electron Beam by Simon, David H., Hoff, Brad. W., Schrock, James A., Heidger, Susan L.

“…The nonlinear transmission line electron beam driver at the Air Force Research Laboratory produces a frequency agile modulated annular electron beam [1]. A…”
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Magnetoelectric multiferroic properties of BaTiO3-CoFe2O4-BaTiO3 tri-layer thin films fabricated by pulsed laser deposition by Puli, Venkata Sreenivas (Narayanabhatla), Pradhan, Dhiren K., Hilton, Albert, Katiyar, Ram S., Ghosh, Kartik, Srinivasan, Gopalan, Reed, Amber N., McConney, Michael E., Heidger, Susan

“…Magnetoelectric multiferroic Properties of BTO/CFO/BTO thin films grown on Pt/TiO2/SiO2/Si. [Display omitted] •Multiferroic thin films were successfully grown…”
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Spatially dispersive nonlinear transmission line experimental performance analysis by Schrock, James A., Hoff, Brad W., Simon, David H., Heidger, Susan L., Lepell, Paul, Gilbrech, Joshua, Wood, Haynes, Richter-Sand, Robert

“…Spatially dispersive nonlinear transmission lines (NLTLs) have attracted interest as pulsed RF sources. The characteristics of these sources need to be further…”
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Explanation of multi-pulse behavior in an LTD based on compact PFNs by French, David, Heidger, Susan, Enderich, Daniel, Lepell, David, Richter-Sand, Robert

“…A six cavity inductive voltage adder with pulsed power incorporated into a single assembly, linear transformer driver (LTD), has been developed. Each LTD…”
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Review on energy storage in lead‐free ferroelectric films by Puli, Venkata Sreenivas, Jayakrishnan, AR, Pradhan, Dhiren Kumar, Madgula, Kalpana, Babu, S. Narendra, Chrisey, Douglas B., Katiyar, Ram S., Reed, Amber, McConney, Michael, Back, Tyson, Van Ginhoven, Renee M., Heidger, Susan

“…Rapidly developing electronics industry is striving for higher energy‐storage capability dielectric capacitors for pulsed power electronic devices. Both high…”
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Enhanced energy storage properties of epitaxial (Ba 0. 955 Ca 0 .045 )(Zr 0. 17 Ti 0 .83 ) O 3 ferroelectric thin films by Puli, Venkata Sreenivas, Pradhan, Dhiren K., Madgula, Kalpana, Babu, S. Narendra, Laad, Meena, Chrisey, Douglas B., Katiyar, Ram S., Reed, Amber, Back, Tyson, Mc Conney, Michael E., Van Ginhoven, Renee M., Heidger, Susan

“…(Ba 0.955 Ca 0.045 )(Zr 0.17 Ti 0.83 )O 3 [BCZT] epitaxial were grown on La 0.67 Sr 0.33 MnO 3 (LSMO)‐coated (100)‐oriented MgO single crystal substrates by…”
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Enhanced energy storage properties of epitaxial (Ba0.955Ca0.045)(Zr0.17Ti0.83)O3 ferroelectric thin films by Puli, Venkata Sreenivas, Pradhan, Dhiren K., Madgula, Kalpana, Babu, S. Narendra, Laad, Meena, Chrisey, Douglas B., Katiyar, Ram S., Reed, Amber, Back, Tyson, Mc Conney, Michael E., Van Ginhoven, Renee M., Heidger, Susan

“…(Ba0.955Ca0.045)(Zr0.17Ti0.83)O3 [BCZT] epitaxial were grown on La0.67Sr0.33MnO3 (LSMO)‐coated (100)‐oriented MgO single crystal substrates by the pulsed laser…”
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Submicrosecond Pulsed Power Capacitors Based on Novel Ceramic Technologies by Domonkos, Matthew T, Heidger, Susan, Brown, Darwin, Parker, Jerald V, Gregg, Carl W, Slenes, Kirk, Hackenberger, Wes, Seongtae Kwon, Loree, Ellis, Tran, Tyrone

“…Capacitor energy density for submicrosecond discharge applications was investigated for capacitors based on the following: 1) polymer-ceramic nanocomposite…”
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High Voltage Coaxial Cable Pulse Capabilities by Le, Ken, Gilbrech, Josh, Joyce, Michael, Sanchez-Roddy, Jacob, Talbot, Tyler, Heidger, Susan, Schrock, James

“…Radio Guide, or more commonly known as RG-X cable, has been a common and almost universal means of interconnect for fast, and/or impedance-controlled…”
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Submicrosecond Pulsed Power Capacitors Based on Novel Ceramic Technologies: SPECIAL ISSUE ON PULSED POWER SCIENCE AND TECHNOLOGY by DOMONKOS, Matthew T, HEIDGER, Susan, BROWN, Darwin, PARKER, Jerald V, GREGG, Carl W, SLENES, Kirk, HACKENBERGER, Wes, KWON, Seongtae, LOREE, Ellis, TRAN, Tyrone

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Review of Cold Cathode Research at the Air Force Research Laboratory: High-Power Microwave Generation by SHIFFLER, Don, HAWORTH, Michael, LUGINSLAND, John, CARTWRIGHT, Keith, UMSTATTD, Ryan, RUEBUSH, Mitch, HEIDGER, Susan, LACOUR, Matthew, GOLBY, Ken, SULLIVAN, Don, DUSELIS, Peter

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Design, modeling, and verification of a high-pressure liquid dielectric switch for directed energy applications by Leckbee, J.J., Curry, R.D., McDonald, K.F., Cravey, W.R., Anderson, G., Heidger, S.

“…A high-power liquid dielectric switch is being developed to satisfy the requirements for future directed energy applications. A flowing, high-pressure liquid…”
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Cathode Materials Characteristics of CsI Coated Carbon Fiber by Shiffler, Don, Heidger, Susan, Cartwright, Keith, Vaia, Rich, Liptak, David, LaCour, Matthew, Golby, Ken

“…Summary form only given. Csl coated carbon fiber cathodes have shown promise as a cold cathode for microwave and x-ray devices. In particular, the cathodes…”
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Repetitve Operation of High Voltage Switch Utilizing Dielectric Fluid by Heidger, Susan L., Shiffler, Don A., Cravey, W. Ray, Ruebush, Mitchell H., Curry, Randy D.

“…High voltage switches are fundamental components of high voltage pulsed power modulators. The goal of this research consists of improving the lifetime, and…”
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Finite-difference time-domain/Landau-Lifshitz-Gilbert algorithm for modeling ferrites with hysteresis by Greenwood, Andrew D., French, David M., Hoff, Brad W., Heidger, Susan L.

“…The finite-difference time-domain (FDTD) method is a simple, robust tool for a variety of electromagnetic modeling scenarios. In order to model magnetic…”
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Dielectric nonlinear transmission line by French, D. M., Hoff, B. W., Heidger, S., Shiffler, D.

“…A parallel plate nonlinear transmission line (NLTL) was constructed. Periodic loading of nonlinear dielectric slabs provides the nonlinear capacitance and the…”
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Simulations and experimental study of electric field screening by the proximity of field emitters by Tang, W., Shiffler, D., Maestas, S., Golby, K., LaCour, M., Heidger, S.

“…Experiments and simulations were performed to investigate the electric field screening effects with two and four cathodes configuration. The experiments are…”
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