S. C. Jones - IEEE Xplore Author Profile

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Author details

S. C. Jones

Publications

2

Citations

14

Publications by Year

19942002

Co-Authors:

W. K. N. AnakwaG. W. AnglinP. BraunlichJ. BushL. Chen

Show All Co-Authors (16)

S. C. Jones

Affiliation

Siemens Energy and Automation

Inc.

Alpharetta, GA, USA

Publication Topics

Active Damping,
Alternating Current,
Analog-to-digital Converter,
Computer Simulations,
Department Of Energy,
Digital Control,
Discrete Control,
Disturbance Input,
Filter Circuit,
Force Control,
Ideal Circuit,
Integral Control

Biography

Scott C. Jones received the B.S. degree (magna cum laude) in electrical engineering from Bradley University, Peoria, IL, in 1991.,He is currently with Siemens Energy and Automation, Alpharetta, GA, as a Senior Account Manager, specializing in servicing manufacturers in the power generation industry.(Based on document published on 7 August 2002).

Publications

2

Citations

14

Publications by Year

19942002

Co-Authors:

W. K. N. Anakwa
G. W. Anglin
P. Braunlich
J. Bush
L. Chen

Show All Co-Authors (16)

Author's Published Works

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Showing 1-25 of 417 results

Conferences (330)

Journals (87)

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Single Year
J. Dickens(219)
A. Neuber(145)
M. Kristiansen(133)
J. Mankowski(71)
James C. Dickens(71)
Center for Pulsed Power and Power Electronics, Texas Tech University, Lubbock, TX, USA(82)
Center for Pulsed Power and Power Electronics, Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA(27)
Texas Tech University, Lubbock, TX, US(21)
Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA(20)
Texas Tech University, Lubbock, TX, USA(15)
IEEE Transactions on Plasma Science(67)
Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472)(19)
2013 Abstracts IEEE International Conference on Plasma Science (ICOPS)(17)
2015 IEEE Pulsed Power Conference (PPC)(17)
2014 IEEE International Power Modulator and High Voltage Conference (IPMHVC)(15)
IEEE(417)
Las Vegas, NV, USA(37)
Monterey, CA, USA(30)
San Francisco, CA, USA(27)
Albuquerque, NM, USA(26)
Santa Fe, NM, USA(20)
High-power Microwave(101)
High Voltage(76)
Rise Time(67)
Electrode(59)
Magnetic Field(42)

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Results

Experimental Characterization of a Genetic Algorithm-Optimized Nonlinear Transmission Line for High Power RF Generation

J. Stephens;T. Wright;D. Saheb;L. Silvestre;W. Hendricks;N. Black;J. Mankowski;J. Dickens;A. Neuber;E. Schrock;J. Schrock

IEEE Transactions on Microwave Theory and Techniques

Year: 2025 | Volume: 73, Issue: 3 | Journal Article |

Cited by: Papers (1)

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A numerical model of a dispersive, discrete-element nonlinear transmission line (NLTL) employing saturable inductors is reported and demonstrated to qualitatively reproduce the experimentally measured output of an NLTL. This numerical model is used with a genetic algorithm (GA) to optimize RF output power by varying the number of turns on each inductor at each stage and capacitance at each stage o...Show More

Experimental Characterization of a Genetic Algorithm-Optimized Nonlinear Transmission Line for High Power RF Generation

J. Stephens;T. Wright;D. Saheb;L. Silvestre;W. Hendricks;N. Black;J. Mankowski;J. Dickens;A. Neuber;E. Schrock;J. Schrock

IEEE Transactions on Microwave Theory and Techniques

Year: 2025 | Volume: 73, Issue: 3 | Journal Article |

Characterization of Solid-State Nonlinear Transmission Line PCB for RF Production

Travis Wright;David Saheb;Jacob Hoebelheinrich;John Mankowski;James Dickens;Andreas Neuber;Emily Schrock;James Schrock;Jacob Stephens

IEEE Transactions on Plasma Science

Year: 2024 | Volume: 52, Issue: 7 | Journal Article |

Cited by: Papers (1)

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A discrete-element, printed circuit board (PCB)-based nonlinear transmission line was investigated to characterize its RF output characteristics for varying dc bias current and input pulse voltage. The device demonstrated both forward-wave and backward-wave RF formation, with each mode of operation exhibiting RF frequency and power characteristics. The forward-wave operational mode yielded a wider...Show More

Characterization of Solid-State Nonlinear Transmission Line PCB for RF Production

Travis Wright;David Saheb;Jacob Hoebelheinrich;John Mankowski;James Dickens;Andreas Neuber;Emily Schrock;James Schrock;Jacob Stephens

IEEE Transactions on Plasma Science

Year: 2024 | Volume: 52, Issue: 7 | Journal Article |

Benchmarking the Suitability of Novec™ 4710 for Application in Flux Compression Generators

Nathan Fryar;Kirk Schriner;Jacob Stephens;James Dickens;Andrew Young;Andreas A. Neuber

IEEE Transactions on Plasma Science

Year: 2024 | Volume: 52, Issue: 9 | Journal Article |

Cited by: Papers (1)

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An experimental study evaluated the feasibility of replacing traditional insulating gases such as SF6 with C4F7N (3M, Novec 4710) in flux compression generator (FCG) applications. Currently available data indicate that Novec 4710 could offer certain performance benefits over SF6. However, the available literature is focused on low frequency (50–60 Hz) and dc at static pressures. To evaluate the pe...Show More

Benchmarking the Suitability of Novec™ 4710 for Application in Flux Compression Generators

Nathan Fryar;Kirk Schriner;Jacob Stephens;James Dickens;Andrew Young;Andreas A. Neuber

IEEE Transactions on Plasma Science

Year: 2024 | Volume: 52, Issue: 9 | Journal Article |

Effect of Approach Speed and Electrode Geometry on Electrostatic Discharges Off Floating Dielectrics

B. Esser;Z. Cardenas;J. T. Mockert;J. C. Stephens;J. C. Dickens;J. J. Mankowski;A. A. Neuber;D. Friesen;D. Hattz;C. Nelson

IEEE Transactions on Plasma Science

Year: 2024 | Volume: 52, Issue: 3 | Journal Article |

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With the damaging effects of electrostatic discharges (ESDs), it is important to study them within various parameter regimes relevant to real-world scenarios. One such scenario studied here is a floating dielectric with no nearby ground plane with a grounded object approaching at a high rate of speed. One may encounter this scenario when moving objects by hand. Discharge current and radiated field...Show More

Effect of Approach Speed and Electrode Geometry on Electrostatic Discharges Off Floating Dielectrics

B. Esser;Z. Cardenas;J. T. Mockert;J. C. Stephens;J. C. Dickens;J. J. Mankowski;A. A. Neuber;D. Friesen;D. Hattz;C. Nelson

IEEE Transactions on Plasma Science

Year: 2024 | Volume: 52, Issue: 3 | Journal Article |

Investigation of Multipactor in X-Band Waveguide Filters

D. Wright;A. Gregory;H. Spencer;J. Mankowski;J. Stephens;J. Dickens;A. Neuber

2023 IEEE International Conference on Plasma Science (ICOPS)

Year: 2023 | Conference Paper |

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The increased need for multi-carrier signals and higher power requirements has made it essential to study the multipactor (MP) phenomenon in practical structures. A 3-stage rectangular waveguide filter has been designed and implemented in a plug-and-play test fixture for X-band frequencies. The test source for this system is a coaxial magnetron, which yields a peak power output of 150 kW at a freq...Show More

Investigation of Multipactor in X-Band Waveguide Filters

D. Wright;A. Gregory;H. Spencer;J. Mankowski;J. Stephens;J. Dickens;A. Neuber

2023 IEEE International Conference on Plasma Science (ICOPS)

Year: 2023 | Conference Paper |

Progress Understanding Anode-Initiated Vacuum Insulator Flashover

M. Hopkin;W. Brooks;R. Clark;J. Dickens;Z. Echo;R. Goeke;J. Mankowski;C. Moore;A. Neuber;J. Stephens

2023 IEEE International Conference on Plasma Science (ICOPS)

Year: 2023 | Conference Paper |

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There is often a dielectric separation barrier between vacuum and water-containing (or oil-containing) sections in pulsed power systems. This barrier must successfully hold off electrical breakdown as the applied electrical pulse is rising and delivering electrical energy to the downstream load. While breakdowns during the falling end of the pulse are somewhat understood to be electron cascade and...Show More

Progress Understanding Anode-Initiated Vacuum Insulator Flashover

M. Hopkin;W. Brooks;R. Clark;J. Dickens;Z. Echo;R. Goeke;J. Mankowski;C. Moore;A. Neuber;J. Stephens

2023 IEEE International Conference on Plasma Science (ICOPS)

Year: 2023 | Conference Paper |

Multipactor Suppression Schemes in X-Band Waveguide Via Surface Modifications

H. Spencer;D. Wright;A. Gregory;J. Stephens;J. Mankowski;J. Dickens;A. Neuber

2023 IEEE International Conference on Plasma Science (ICOPS)

Year: 2023 | Conference Paper |

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Multipactor (MP) suppression is essential as more powerful signal sources in smaller form factors are needed. This study utilizes a high-power X-band system with plug-and-play features allowing for quick testing of different surface modifications.’ The presented work uses phase and power diagnostics to detect the onset of MP.Show More

Multipactor Suppression Schemes in X-Band Waveguide Via Surface Modifications

H. Spencer;D. Wright;A. Gregory;J. Stephens;J. Mankowski;J. Dickens;A. Neuber

2023 IEEE International Conference on Plasma Science (ICOPS)

Year: 2023 | Conference Paper |

High Power Microwave Breakdown of C4F7N (Novec 4710) Gas Mixtures

Brandon Bywater;John Mankowski;James Dickens;Andreas Neuber;Matthew Capps;Jacob Stephens

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

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Sulfur Hexafluoride’s (SF6) high dielectric strength makes it heavily relied upon as a high voltage insulating medium. However, its atmospheric lifetime of 3,200 years and overall high global warming potential has motivated a search for alternatives. One possible alternative, C4F7N (NOVEC 4710) features a dielectric strength more than twice that of SF6 yet features an atmospheric lifetime one-hund...Show More

High Power Microwave Breakdown of C4F7N (Novec 4710) Gas Mixtures

Brandon Bywater;John Mankowski;James Dickens;Andreas Neuber;Matthew Capps;Jacob Stephens

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

Experimental Demonstration of a Compact, High Average Power, Pulsed Power Driver for Printed-Circuit Board Nonlinear Transmission Lines

David Saheb;Travis Wright;John Mankowski;James Dickens;Andreas Neuber;Emily Schrock;James Schrock;Jacob Stephens

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

Cited by: Papers (2)

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Nonlinear transmission lines (NLTLs) are a promising technology for high power microwave (HPM) generation. However, NLTLs are also typically characterized by relatively short RF pulse widths, on the order of tens to hundreds of nanoseconds. One approach to increasing the overall average microwave power is the application of short excitations in very high pulse repetition frequency, thus yielding a...Show More

Experimental Demonstration of a Compact, High Average Power, Pulsed Power Driver for Printed-Circuit Board Nonlinear Transmission Lines

David Saheb;Travis Wright;John Mankowski;James Dickens;Andreas Neuber;Emily Schrock;James Schrock;Jacob Stephens

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

Air Core Transformers for Use in Flux Compression Generator Power Conditioning

Tyler Watson;James Dickens;Andreas Neuber;John Mankowski

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

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Flux compression generators (FCGs), are unable to drive high impedance loads efficiently. To ensure that the output from an FCG can drive a high impedance load, an impedance transformation is necessary. This impedance transformation is known as the power conditioning stage of the FCG. Air core transformers were developed to eventually be used as a power conditioning stage for an FCG. Two types of ...Show More

Air Core Transformers for Use in Flux Compression Generator Power Conditioning

Tyler Watson;James Dickens;Andreas Neuber;John Mankowski

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

Methods for Mapping of Surface Charge Density on Arbitrary Dielectric Objects

John Mockert;John Mankowski;Benedikt Esser;Donald Friesen;Blake Havens;David Hattz;James Dickens;Crystal Nelson;Jacob Stephens;Andreas Neuber

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

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A system to map surface charge densities on dielectric objects – e.g. PTFE, PMMA, and PA6 – is described to study maximum surface charge limits discharge and decay characteristics. Two electromechanical movements are used to achieve these goals: a three-axis robotic arm with an electrostatic probe and a three-axis auxiliary movement fitted with a current viewing resistor and laser displacement sen...Show More

Methods for Mapping of Surface Charge Density on Arbitrary Dielectric Objects

John Mockert;John Mankowski;Benedikt Esser;Donald Friesen;Blake Havens;David Hattz;James Dickens;Crystal Nelson;Jacob Stephens;Andreas Neuber

2023 IEEE Pulsed Power Conference (PPC)

Year: 2023 | Conference Paper |

A 1D1V Continuum Vlasov–Poisson Multipactor Analysis From Onset to Saturation Across the Entire First-Order Multipactor Regime

Luke Silvestre;Jacob Stephens;James Dickens;John Mankowski;Andreas Neuber;Ravindra P. Joshi

IEEE Transactions on Plasma Science

Year: 2023 | Volume: 51, Issue: 2 | Journal Article |

Cited by: Papers (1)

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This report employs a Vlasov–Poisson model to elucidate fundamental electron phase–space mechanics of a multipactor discharge from onset to saturation. At the onset of multipactor, the electron phase–space is primarily defined by sharp features in both the physical space and energy space. With increasing electron density, space-charge effects lead to debunching of the swarm in phase–space. The tem...Show More

A 1D1V Continuum Vlasov–Poisson Multipactor Analysis From Onset to Saturation Across the Entire First-Order Multipactor Regime

Luke Silvestre;Jacob Stephens;James Dickens;John Mankowski;Andreas Neuber;Ravindra P. Joshi

IEEE Transactions on Plasma Science

Year: 2023 | Volume: 51, Issue: 2 | Journal Article |

RF Output Power Detection of the RADAN MG-4 Microwave Generator

Nicholas Harrison;Kaylee Allen;James C. Dickens;Andreas A. Neuber;John Mankowski

2022 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

Year: 2022 | Conference Paper |

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The RADAN series-based MG-4 Microwave Generator is a compact, high power microwave system developed by the Institute of Electrophysics in Ekaterinburg. The system features the RADAN high voltage generator which is a SINUS-series device featuring a Tesla transformer charger and a Blumlein pulse forming line. The MG-4 microwave head is a mm-band relativistic backward wave oscillator (BWO) that opera...Show More

RF Output Power Detection of the RADAN MG-4 Microwave Generator

Nicholas Harrison;Kaylee Allen;James C. Dickens;Andreas A. Neuber;John Mankowski

2022 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

Year: 2022 | Conference Paper |

Assessing the Role of Photon Processes in Facilitating Radio Frequency Breakdown of Air at Atmospheric Pressure in Millimeter Gaps

Xiaoli Qiu;Benedikt Esser;Ivan Aponte;John Mankowski;James C. Dickens;Andreas A. Neuber;Ravi P. Joshi

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 11 | Journal Article |

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The behavior of the breakdown electric field versus gap lengths (in the 1–5-mm range) and at different frequencies in the 1–80-MHz span, has been studied numerically at atmospheric pressure. Unlike previous studies of radio frequency (RF) breakdown, the role of photon-emission processes is explicitly included and shown to be important for large-area electrode configurations. Numerical analysis bas...Show More

Assessing the Role of Photon Processes in Facilitating Radio Frequency Breakdown of Air at Atmospheric Pressure in Millimeter Gaps

Xiaoli Qiu;Benedikt Esser;Ivan Aponte;John Mankowski;James C. Dickens;Andreas A. Neuber;Ravi P. Joshi

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 11 | Journal Article |

Evaluation of Explosive Emission Carbon Fiber Cathodes for High-Power Microwave Devices

Tyler Buntin;Matthew Abide;Andreas Neuber;James Dickens;Ravindra Joshi;John Mankowski

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 10 | Journal Article |

Cited by: Papers (3)

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Most high-power microwave (HPM) sources, such as the magnetically insulated transmission line oscillator (MILO) being developed at Texas Tech, utilize cold cathodes that generate electrons via explosive emission. Highly emissive cathodes such as the presented can generate current densities and currents greater than 1 kA/cm 2 and 10 kA, respectively, which are required for devices that can output r...Show More

Evaluation of Explosive Emission Carbon Fiber Cathodes for High-Power Microwave Devices

Tyler Buntin;Matthew Abide;Andreas Neuber;James Dickens;Ravindra Joshi;John Mankowski

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 10 | Journal Article |

Sensitivity of Multipactor on Variations in SEY using a Continuum Vlasov-Poisson Model

L. Silvestre;R. Joshi;J. Stephens;J. Dickens;J. Mankowksi;A. Neuber

2022 IEEE International Conference on Plasma Science (ICOPS)

Year: 2022 | Conference Paper |

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The impact of secondary electron yield (SEY) variations on multipactor in a parallel plate geometry is probed. In this contribution, electron swarm dynamics are simulated via the continuum approach across a variety of SEY curves. The objective is to determine which changes and shifts in the SEY curve are most sensitive to the final multipactor outcome. For instance, will a variation in the maximum...Show More

Sensitivity of Multipactor on Variations in SEY using a Continuum Vlasov-Poisson Model

L. Silvestre;R. Joshi;J. Stephens;J. Dickens;J. Mankowksi;A. Neuber

2022 IEEE International Conference on Plasma Science (ICOPS)

Year: 2022 | Conference Paper |

Exploring the Basic Physical Mechanisms of Cathode- and Anode-Initiated High-Voltage Surface Flashover

William Brooks;Raimi Clark;Jacob Young;Matthew Hopkins;James Dickens;Jacob Stephens;Andreas Neuber

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 10 | Journal Article |

Cited by: Papers (6)

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Surface flashover in vacuum imposes a substantial physical limit on modern, large-scale pulsed power. One of the ramifications is a minimum size requirement for new machines, which in itself becomes a hard barrier to the modernization and improvement of existing infrastructure. Pulsed power topologies require the physical mechanisms of both anode- and cathode-initiated flashover to be considered. ...Show More

Exploring the Basic Physical Mechanisms of Cathode- and Anode-Initiated High-Voltage Surface Flashover

William Brooks;Raimi Clark;Jacob Young;Matthew Hopkins;James Dickens;Jacob Stephens;Andreas Neuber

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 10 | Journal Article |

Optically Activated In-Waveguide Semiconductor Attenuators for the Controllable Isolation of Ka-Band Microwaves

A. T. Hewitt;B. Esser;R. P. Joshi;J. Mankowski;J. Dickens;A. Neuber;R. Lee;J. Stephens

IEEE Transactions on Microwave Theory and Techniques

Year: 2022 | Volume: 70, Issue: 4 | Journal Article |

Cited by: Papers (2)

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Three different isolator topologies utilizing photoconductive (PC) elements are explored for their application as a controllable attenuator for a Ka-band radar system. Network analyzer measurements are reported for each geometry in the unilluminated case, while a high-speed, high dynamic range heterodyne detection apparatus is used to measure the transient attenuation behavior of the isolators whe...Show More

Optically Activated In-Waveguide Semiconductor Attenuators for the Controllable Isolation of Ka-Band Microwaves

A. T. Hewitt;B. Esser;R. P. Joshi;J. Mankowski;J. Dickens;A. Neuber;R. Lee;J. Stephens

IEEE Transactions on Microwave Theory and Techniques

Year: 2022 | Volume: 70, Issue: 4 | Journal Article |

Lightning Current Propagation in Electrical Conduit

William Brooks;Micah Lapointe;Landon Collier;John Mankowski;James Dickens;David Hattz;Neil Koone;Andreas Neuber

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 1 | Journal Article |

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Investigation of lightning strikes to conductors ran through long spans of rigid steel conduit was performed. An overdamped-exponential current waveform with controlled peaks and rise rates was used to inject simulated lightning strikes. The impact of the length of wire, length of conduit, grounding location/s, and load type was investigated. Breakdown of 600 V, 12 AWG, THHN insulated wire (3.23 m...Show More

Lightning Current Propagation in Electrical Conduit

William Brooks;Micah Lapointe;Landon Collier;John Mankowski;James Dickens;David Hattz;Neil Koone;Andreas Neuber

IEEE Transactions on Plasma Science

Year: 2022 | Volume: 50, Issue: 1 | Journal Article |

High Power Multipactor Suppression in X-Band Waveguide

A. Gregory;Z. C. Shaw;D. Wright;J. Mankowski;J. Dickens;A. Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

Cited by: Papers (2)

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The multipactor effect is detrimental in space-based RF systems through detuning, heating, and causing permanent component damage. Studying thresholds and suppression of multipactor utilizing surface geometries in structures akin to WR-90 waveguide are of specific interest in the presented work. Operating in the dominant TE10 mode, a copper stepped impedance transformer transitions the waveguide t...Show More

High Power Multipactor Suppression in X-Band Waveguide

A. Gregory;Z. C. Shaw;D. Wright;J. Mankowski;J. Dickens;A. Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

Surface Charge Distribution Mapping Using an Electrostatic Probe

Micah LaPointe;Benedikt Esser;Ivan Aponte;Zachary Cardenas;James Dickens;John Mankowski;Jacob Stephens;Donald Friesen;Crystal Nelson;Neil Koone;David Hattz;Andreas Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

Cited by: Papers (1)

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Undesired accumulation of charge on dielectric materials causing electrostatic discharges can be an issue in pulsed power systems and electrical systems in general. As such, an understanding of surface charge distribution, charge accumulation, and decay is required. An in-house no-contact electrostatic probe designed with a 2 mm resolution was fabricated to measure and map surface charge distribut...Show More

Surface Charge Distribution Mapping Using an Electrostatic Probe

Micah LaPointe;Benedikt Esser;Ivan Aponte;Zachary Cardenas;James Dickens;John Mankowski;Jacob Stephens;Donald Friesen;Crystal Nelson;Neil Koone;David Hattz;Andreas Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

Sensitivity of PBX 9501 and PBX 9502 to Milling Operations

Joshua Williams;Ethan Weeks;Raimi Clark;Scott Watkins;James Dickens;John Mankowski;Jacob Brinkman;Andreas Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

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Explosive driven pulsed power performance benefits from modern polymer-bonded explosives. In practical application, high precision in the dimensional shape is required, and high machining speeds are desired. The limits of machining speed, driven mainly by the thermal response of the energetic material, are investigated. Specifically, the thermal response of PBX 9501 (95% HMX, 2.5% Estane, 2.5% BDN...Show More

Sensitivity of PBX 9501 and PBX 9502 to Milling Operations

Joshua Williams;Ethan Weeks;Raimi Clark;Scott Watkins;James Dickens;John Mankowski;Jacob Brinkman;Andreas Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

Effect of Humidity on Charge Decay in Varying Atmospheric Gases

Zachary Cardenas;Ben Esser;Ivan Aponte;James Dickens;John Mankowski;Jacob Stephens;Donald Friesen;Crystal Nelson;Neil Koone;David Hattz;Andreas Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

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Characterization of surface charge decay for varying materials – PTFE, Acrylic, and metals – of 100 mm diameter, radially symmetric bodies was performed. In a gaseous environment, charged materials will lose their charge depending on gas type, humidity, and other environmental factors. Eventually, the charge will be (1) neutralized by ions or electrons in the surrounding gas (2) distributed by con...Show More

Effect of Humidity on Charge Decay in Varying Atmospheric Gases

Zachary Cardenas;Ben Esser;Ivan Aponte;James Dickens;John Mankowski;Jacob Stephens;Donald Friesen;Crystal Nelson;Neil Koone;David Hattz;Andreas Neuber

2021 IEEE Pulsed Power Conference (PPC)

Year: 2021 | Conference Paper |

Explosive Emission Cathode Evaluation for a Magnetically Insulated Line Oscillator

T. Buntin;M. Abide;J. Dickens;A. Neuber;R. Joshi;J. Mankowski

2020 IEEE International Conference on Plasma Science (ICOPS)

Year: 2020 | Conference Paper |

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Most high power microwave sources, such as the Magnetically Insulated Transmission Line Oscillator (MILO) being developed at Texas Tech, utilize cold cathodes that generate electrons via explosive emission. These highly emissive cathodes can generate current densities and currents greater than kA/cm2 and 10 kA, respectively which are required for devices that can output RF power greater than 100 M...Show More

Explosive Emission Cathode Evaluation for a Magnetically Insulated Line Oscillator

T. Buntin;M. Abide;J. Dickens;A. Neuber;R. Joshi;J. Mankowski

2020 IEEE International Conference on Plasma Science (ICOPS)

Year: 2020 | Conference Paper |

High Power 2.85 GHz GaN RF Source for Direct Detection of Multipactor Research

Benedikt Esser;Zachary Shaw;James C. Dickens;Andreas A. Neuber

2020 IEEE International Conference on Plasma Science (ICOPS)

Year: 2020 | Conference Paper |

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A pulsed 2.85 GHz RF source design with high average power is presented for use as the principle exciter in an experiment to directly detect multipactor. With a rated output power of 700 W each in long pulse mode (∼ 100 □s), four Cree GaN HEMTs are used to achieve a maximum of 2.8 kW rated output. A fifth HEMT is used to drive the four output devices with approximately 40 W each. A free running VC...Show More

High Power 2.85 GHz GaN RF Source for Direct Detection of Multipactor Research

Benedikt Esser;Zachary Shaw;James C. Dickens;Andreas A. Neuber

2020 IEEE International Conference on Plasma Science (ICOPS)

Year: 2020 | Conference Paper |

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