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Publications

Poster and presentation archive

2022

EHT Scientists present research at the North American Particle Accelerator Conference (NAPAC) in a Albuquerque, NM.

  • Download Initial Development of a High-Voltage Pulse Generator for a Short-Pulse Kicker

EHT Scientists present research at IEEE International Power Modulator and High Voltage Conference (IPMHVC) and IEEE Electrical Insulation Conference (EIC) in a Knoxville, TN.

  • Download A Bipolar Microsecond Pulser for Electroporation and Cancer Therapies
  • Download Initial Development of an Inductive Adder for High-Energy Beam Kickers

EHT Scientists present research at 49th International Conference on Plasma Science (ICOPS) in a Seattle, WA.

  • Download Improving Ion Control for Semiconductor Processing with Repetitive Pulsed Power Phase I

2021

EHT Scientists present research at 2021 IEEE Pulsed Power Conference and Symposium on Fusion Engineering in a virtual conference

  • Download A Solid-State Thyratron Replacement as a High-Voltage Trigger for HEDP Applications
  • Download Bipolar Microsecond Pulser for Electroporation and Medical Pulsed Power
  • Download Compact Inductive Adder for High Power Microwave Applications
  • Download Initial Development of a High-Voltage Pulse Generator for High-Energy Beam Kickers
  • Download Power System for Continuously Pulsed RMF-FRC Thruster

EHT Scientists present research at 63rd Annual Meeting of the APS Division of Plasma Physics in a virtual conference

  • Download Active Feedback and Control of High Power Ćuk Converter for Fusion Applications
  • Download A Solid-State High Voltage Trigger for HEDP Application
  • Download Thrust Stand Measurements of an RMF-FRC Thruster with Continuous Power System

EHT Scientists present research at ICOPS in a virtual conference

  • Download Continuously-Operating Repetitively-Pulsed RMF FRC Thruster and Power System
  • Download Bipolar Microsecond Pulse Generator for Biomedical Applications

2020

EHT Scientists present research at 62nd Annual Meeting of the APS Division of Plasma Physics in a virtual conference

  • Download High Voltage Solid-State Trigger for HEDP Applications: Phase I Results

EHT Scientists present research at ICOPS in a virtual conference

  • Download Solid-State High Voltage Trigger with Fast Rise Time for HEDP Applications

2019

EHT Scientists present research at 61st Annual Meeting of the APS Division of Plasma Physics in Fort Lauderdale, FL

  • Download High Voltage Solid-State Switch for Magnetron Driving
  • Download High Capacitor Bank Utilization with a Ćuk Converter
  • Download High-Voltage Solid-State Trigger for HEDP Applications
  • Download 50 kV Klystron Driver for Fusion Science Applications

EHT Scientists present research at Pulsed Power and Plasma Science Conference Orlando, FL

  • Download Nanofarad-Scale Capacitor Charging on Sub-Microsecond Timescales
  • Download 50 kV Resonant Full Bridge for Klystron Driving
  • Download Modular, High-Frequency, High-Voltage Inductive Adders
  • Download High Power Ćuk Converter for Fusion Science Applications
  • Download Radio Frequency Plasma Generation without 50 Ohm Matching

2018

EHT Scientists present plasma and pulsed-power research at APS DPP Portland, OR

  • Download A High Frequency Ćuk Converter for Fusion Science Applications (Phase I)
  • Download Pulsed High Power Helicon Plasma Source
  • Download A Low-Cost, High Power RF Resonance System Phase II Results
  • Download High Voltage Solid-State Switch for Magnetron Driving
  • Download The Ten-Year Evolution of a High-Power Magnet Driver
  • Download Solid-State Klystron Driver for Lower Hybrid Current Drive (Phase I)
  • Download Neutral Beam Power System for Fast Grid Modulation

EHT Scientists present plasma research at GEC Portland, OR

  • Download High Voltage Nanosecond Pulser Operating at 30 kW and 400 kHz
  • Download Surface Sterilization of Spacecraft for Planetary Protection with Plasma Jet Array
  • Download High Current Arc Modulation with Solid-State Switching Power Supply

Dr. Prager presents helicon research at ICOPS Denver, CO

  • Download Megawatt-class Pulsed Helicon

Dr. Ziemba presents plasma medicine power systems at ICPM7 Philadelphia, PA

  • Download Nanosecond Pulser with Variable Pulse Width and PRF for Biomedical Research

Drs. Prager and Ziemba present research at 2018 IEEE IPMHVC Jackson Lake Lodge, WY

  • Download A High Voltage, Solid-State Switch for Magnetron Driving
  • Download Phase I Summary: Neutral Beam Injector Grid Power System
  • Download Nonlinear Transmission Line for RF Plasma Heating

2017

Drs. Prager and Ziemba present research at APS DPP 2017 Milwaukee, WI

  • Download High Voltage, Solid-State Switch for Fusion Science Applications
  • Download Repetitively Pulsed High Power RF Solid-State System
  • Download Neutral Beam Injector Solid-State Power System
  • Download SiC MOSFET Switching Power Amplifier Project Summary

Mr. Carscadden presents EHT poster at Pulsed Power 2017 Brighton, UK

  • Download 35 kV Inductive Adder with NLTL for Plasma Heating

Dr. Prager, Mr. Picard present recent EHT research at ICOPS 2017 Atlantic City, NJ

  • Download Atmospheric Plasma Jet for Spacecraft Surface Sterilization for Planetary Protection
  • Download High Frequency 30 kV Pulsed-DC Generator with User-Adjustable Pulse Width

2016

Drs. Prager, Ziemba discuss HPM capabilities at DITAC 2016 Austin, TX

  • Download High Power Microwave Generation with Solid-State System

Drs. Miller, Prager, Ziemba present research at APS DPP 2016 San Jose, CA

  • Download Long-Pulse Integrator Testing with DIII-D Magnetic Diagnostics
  • Download High Power, Solid-State RF Generation for Plasma Heating
  • Download Silicon Carbide MOSFET-Based Switching Power Amplifier for Precision Magnet Control
  • Download High Voltage, Fast-Switching Module for Active Control of Magnetic Fields and Edge Plasma Currents

EHT presents research and pulsed power products at NAPAC 2016, Chicago, IL

  • Download Pulsed-Power Supply for Fast Kicker System

EHT shows research results and new products at IPMHVC 2016, San Francisco, CA

  • Download High Voltage Fast Kicker Power Supply
  • Download High Power Microwave Production with a Nanosecond Pulser and Nonlinear Transmission Line

EHT displays research and product progress at ICOPS 2016 Banff, AB Canada

  • Download Isolated, High Voltage Arbitrary Pulse Generator
  • Download High Power Microwave Generation with Nonlinear Transmission Lines
  • Download High Voltage, Fast Rise Nanosecond Pulsers

2015

EHT presents research and commercial advancements at APS DPP Savannah, GA

  • Download SiC MOSFET-based switching power amplifiers for fusion science
  • Download EHT integrator demonstration at DIII-D
  • Download DBD-based plasma jet using a variable pulse width nanosecond pulser
  • Download Solid-state RF plasma heating using a nonlinear transmission line

EHT presents innovative products and research at APS GEC ICRP Honolulu, HI

  • Download EHT high voltage pulse generator poster (PDF)
  • Download EHT fast risetime nanosecond pulser poster (PDF)
  • Download EHT high power helicon source poster (PDF)
  • Download EHT plasma spectroscopy using NSP poster (PDF)

EHT presents research data and new products at IEEE PPC & SOFE Austin, TX

  • Download EHT integrator in-situ on tokamak poster (387 KB PDF)
  • Download EHT nanosecond pulser 100 kHz poster (418 KB PDF)
  • Download EHT SiC MOSFET full-bridge poster (638 KB PDF)

2014

EHT presents program results at APS DPP 2014 New Orleans, LA

  • Download EHT integrator in-situ test results poster (714 KB PDF)
  • Download EHT nanosecond pulser program poster (600 KB PDF)
  • Download EHT SiC MOSFET full bridge poster (480 KB PDF)

EHT presents nanosecond pulser product info at ICOPS/BEAMS 2014

  • Download EHT nanosecond pulser data & applications poster (649 KB PDF)

2013

EHT presents research results at APS DPP 2013 Denver, CO

  • Download EHT printed magnetic probes poster (851 KB PDF)
  • Download EHT nanosecond pulser poster (570 KB PDF)
  • Download EHT plasma supersonic drag reduction poster (1 MB PDF)

EHT presents custom pulsed power and integrator results at IEEE PPPS SF

  • Download EHT IGBT custom pulsed power poster (775 KB PDF)
  • Download EHT best-in-class long pulse integrator poster (478 KB PDF)

EHT presents best-in-class integrator results at ITPA TG Diagnostics San Diego

  • Download EHT integrator results and product information slides (13.5 MB PDF)

EHT presents progress of IGBT integrated power module (IPM) products

  • Download EHT IGBT IPM research and product information slides (1.6 MB PDF)

2012

EHT presents IGBT, integrator, EPS posters at 2012 APS Conference

  • Download EHT IGBT power supply phase II poster (0.5 MB PDF)
  • Download EHT integrator phase II poster (0.6 MB PDF)
  • Download EHT electrode-less plasma source phase II poster (0.6 MB PDF)

2011

EHT presents IGBT, Integrator, EPS posters at 2011 APS Conference

  • Download EHT IGBT power supply poster (0.8 MB PDF)
  • Download EHT integrator poster (1.0 MB PDF)
  • Download EHT electrode-less plasma source poster (0.7 MB PDF)

EHT presents IGBT data at 2011 IEEE Pulsed Power Conference

  • Download EHT IGBT poster presentation (3.1 MB requires PDF viewer)

Published paper archive

A. Tankut, K.E. Miller, G.C. Vlases, F.S. Ohuchi, “PVD Ti-films for plasma-facing first walls – Part II: Surface analytical observations during Ti gettering in TCSU”, J. Nuc. Mat. 438, 58 (2013)

 

A. Tankut, K.E. Miller, F.S. Ohuchi, “PVD Ti-films for plasma-facing first walls, Part I: Characterization of surface chemistry during H2 and O2 exposure”, J. Nuc. Mat. 433, 404 (2013)

 

A. Tankut, G. Vlases, K.E. Miller, J. Grossnickle, C.L. Deards, “Wall conditioning in TCSU and its effect on plasma performance”, J. Nuc. Mat. 415, S1037 (2011)

 

T. Ziemba, K. Miller, J. Carscadden, “A robust, modular, IGBT power supply for configurable series/parallel operation at high power and frequency” Proc. 2011 IEEE Pulsed Power Conference, Chicago, IL 19-23 June 2011

J. Prager, T. Ziemba, R. Winglee and R. Roberson, “Wave propagation downstream of a high power helicon in a dipolelike magnetic field” Physics of Plasmas; 17, 013504, (2010)

 

S. Woodruff, A. I. D. Macnab, T. M. Ziemba and K. E. Miller, “Spheromak Formation and Current Sustainment Using a Repetitively Pulsed Source”,J. Fusion Energ. 28, 229 (2010)

 

A. Tankut, K.E. Miller, G.C. Vlases, “An XPS study on the evolution of type 304 stainless steel surface during routine TCSU operation”, J. Nuc. Mat. 405, 50 (2010)

H.Y. Guo, A.L. Hoffman, K.E. Miller, R.D. Milroy, R.D. Brooks, C.L. Deards, J.A. Grossnickle, P.A. Melnik, L.C. Steinhauer, A. Tankut, G.C. Vlases “Achievement of a New High-Confinement, Collisionless FRC State in TCS-Upgrade”, J. Fusion Energ. 28, 152 (2009)

 

K.E. Miller J.A. Grossnickle, R.D. Brooks, C.L. Deards, T.E. DeHart, M. Dellinger, M.B. Fishburn, H.Y. Guo, B. Hansen, J.W. Hayward, A L. Hoffman, W.S. Kimball, K.Y. Lee, D.E. Lotz, P.A. Melnik, R.D. Milroy, Z.A. Pietrzyk, G.C. Vlasses, F.S. Ohuchi, A. Tankut, “The TCS Upgrade: Design, Construction, Conditioning, and Enhanced RMF FRC Performance”, Fusion Tech. 54, 946 (2008)

 

H.Y. Guo, A.L. Hoffman, R.D. Milroy, L.C. Steinhauer, R.D. Brooks, C.L. Deards, J.A. Grossnickle, P. Melnik, K.E. Miller, and G.C. Vlases, “Improved confinement and current drive of high temperature field reversed configurations in the new translation, confinement, and sustainment upgrade device”, Phys. plas., 15, 056101 (2008)

A.L. Hoffman, H.Y. Guo, K.E. Miller, R.D. Milroy, “Confinement & Current Drive Measurements for Steady-State FRCs”, J. Fusion Energ. 26, 67 (2007)

 

Prager, J., Winglee, R., Ziemba, T., Roberson, R., Quetin, G., “Ion energy characteristics downstream of a high power helicon”, Plasma Sources Science and Technology, 7, (2007)

Winglee, R., Ziemba, T., Giersch, L., Prager, J., Carscadden, J., Roberson, B., “Simulation and laboratory validation of magnetic nozzle effects for the high power helicon thruster”, Physics of Plasmas, 14, 063501 (2007) [peer reviewed]

Slough, J., Milroy, R., Ziemba, T., Woodruff, S., “Compression, Heating and Fusing of Colliding Plasmoids by a Z-theta Driven Plasma Liner”, Journal of Fusion Energy, Vol. 26, Nos. 1/2, pp. 191-197, (2007) [peer reviewed]

Winglee, R. Ziemba, T. Giersch, L. Prager, J. Carscadden, J. Roberson, B. R,”Simulation and laboratory validation of magnetic nozzle effects for the high power helicon thruster”, Physics of Plasmas, Volume 14, Issue 6, pp. 063501-063501-14 (2007) [peer reviewed]

A.L. Hoffman, H.Y. Guo, K.E. Miller, and R.D. Milroy, “Principal physics of rotating magnetic-field current drive of field reversed configurations”, Phys. plas., 13, 012507 (2006)

 

H.Y. Guo, A. L. Hoffman, L. C. Steinhauer, K. E. Miller, and R. D. Milroy, “Evidence of Relaxation and Spontaneous Transition to a High-Confinement State in High-ß Steady-State Plasmas Sustained by Rotating Magnetic Fields”, Phys. Rev. Lett. 97, 235002 (2006)

Ziemba, T. Euripides, P. Slough, J. Winglee, R. Giersch, L. Carscadden, J. Schnackenberg, T. Isley, S., “Plasma characteristics of a high power helicon discharge”, Plasma Sources Science and Technology, Volume 15, Issue 3, pp. 517-525 (2006) [peer reviewed]

Slough, J., Andreason, S., Ziemba, T., “Micro-discharge Micro-thruster”, 41st AIAA/ASME/SAE/ASEE, Joint Propulsion Conference and Exhibit Proceedings, Tucson, Arizona, 10-13 July, AIAA-2005-4074, (2005)

Ziemba, T., Slough, J., Winglee, R., “High Power Helicon Propulsion Experiments”, Space Technology and Applications International Forum – STAIF 2005, Conference Proceedings, Albuquerque, NM, Vol. 746, pp. 965-975 (2005)

Ziemba,T., Carscadden, J., Slough, J., Prager, J., Winglee, “High Power Helicon Thruster”, 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Tucson, Arizona, July 10-13, AIAA-2005-4119, (2005)

R.D. Milroy and K.E. Miller, “Edge-Driven Rotating Magnetic Field Current Drive of FRC’s”, Phys. Plas., 11, 633 (2004)

Ziemba, T., Euripidies, P., Winglee, R., Slough, J., “Efficient Plasma Production in Low Background neutral Pressures with the M2P2 Prototype”, 39st AIAA/ASME/SAE/ASEE, Joint Propulsion Conference and Exhibit Proceedings, Hunstville, Alabama, July 20-23, AIAA-2003-5222, (2003)

Giersch, L., Winglee, R., Ziemba, T., Euripides, P., Slough, J., “Magnetic Dipole Inflation with Cascaded Arc and Applications to Mini-Magnetospheric Plasma Propulsion”, 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Hunstville, Alabama, July 20-23, AIAA-2003-5223, (2003)

Winglee, R. M. Ziemba, T. Euripides, P. Slough, J., “Magnetic inflation produced by the Mini-Magnetospheric Plasma Propulsion (M2P2) prototype”, Space Technology and Applications International Forum – STAIF 2002, Conference Proceedings, Albuquerque, NM, Vol. 608, pp. 433-440 (2002)

J.T. Slough, K.E. Miller, “Small, high frequency probe for internal magnetic field measurements in high temperature plasmas”, Rev. Sci. Instr., 72, 417 (2001)

Ziemba, T., Winglee, R., Euripides, P. Slough, J., “Parameterization of the Laboratory Performance of the Mini-Magnetospheric Plasma Propulsion(M2P2)”, Prototype, 27th International Electric Propulsion Conference Proceedings, Pasadena, CA, 15-19 October, IEPC-01-201, (2001)

Winglee, R. M. Ziemba, T. Slough, J. Euripides, P. Gallagher, D., “Laboratory testing of the Mini-Magnetospheric Plasma Propulsion (M2P2) prototype”, Space Technology and Applications International Forum 2001, AIP Conference Proceedings, Albuquerque, New Mexico, 11-14 Feb, Vol. 552. p.407-412 (2001)

Winglee, R. Slough, J. Ziemba, T. Goodson, A., “Mini-Magnetospheric Plasma Propulsion (M2P2): High Speed Propulsion Sailing the Solar Wind”, Space Technology and Applications International Forum 2000, AIP Conference Proceedings, Albuquerque, New Mexico, Vol. 504, p.962 (2000)

J.T. Slough, K.E. Miller, “Flux generation and sustainment of a field reversed configuration with rotating magnetic field current drive”, Phys. Plas., 7, 1945 (2000)

J.T. Slough, K.E. Miller, “Enhanced Confinement and Stability of a Field-Reversed Configuration with Rotating Magnetic Field Current Drive”, Phys. Rev. Lett. 85, 1444 (2000)

J.T. Slough, K.E. Miller, “Multimegawatt solid state rf driver for generating rotating magnetic fields”, Rev. Sci. Instr. 71, 3210 (2000)

K.E. Miller, D. Krause, Jr., L.R. Hunter, “Precise measurement of the Stark shift of the rubidium and potassium D1 lines”, Phys. Rev. A, 49, 5128 (1994)