Research record · intellectual property

Work that can be examined.

Peer-reviewed papers, proceedings, patents, a doctoral dissertation, and conference presentations spanning plasma physics, accelerators, thermionics, astrophysical flows, diagnostics, and scientific computing.

Papers & dissertation 23 records

  1. 2025

    Hybrid simulations of FRC merging and compression

    E. V. Belova, S. E. Clark, R. Milroy, G. Votroubek, A. Pancotti, and D. Kirtley · arXiv:2501.03425.

    arXiv ↗
  2. 2022

    Particle-in-Cell Simulations of High Current Density Electron Beams in the Scorpius Linear Induction Accelerator

    S. E. Clark, Y.-J. Chen, J. Ellsworth, A. T. Fetterman, C. N. Melton, and W. D. Stem · Proc. NAPAC’22, pp. 339–342.

    DOI ↗
  3. 2022

    Three-Dimensional Particle-in-Cell Analysis of Mechanical Design Tolerances of the Scorpius Injector With Warp

    S. E. Clark, W. D. Stem, C. N. Melton, N. Pogue, and J. Ellsworth · IEEE Transactions on Plasma Science 50(7), 2068–2077.

    DOI ↗
  4. 2021

    Simulations of argon plasma decay in a thermionic converter

    R. E. Groenewald, S. E. Clark, A. Kannan, and P. Scherpelz · Physical Review E 103(2), 023207.

    DOI ↗
  5. 2017

    Laboratory study of collisionless coupling between explosive debris plasma and magnetized ambient plasma

    A. S. Bondarenko, D. B. Schaeffer, E. T. Everson, S. E. Clark, B. R. Lee, C. G. Constantin, S. Vincena, B. Van Compernolle, S. K. P. Tripathi, D. Winske, and C. Niemann · Physics of Plasmas 24, 082110.

    DOI ↗
  6. 2017

    On the generation of magnetized collisionless shocks in the Large Plasma Device

    D. B. Schaeffer, D. Winske, D. J. Larson, M. M. Cowee, C. G. Constantin, A. S. Bondarenko, S. E. Clark, and C. Niemann · Physics of Plasmas 24, 041405.

    DOI ↗
  7. 2017

    Collisionless momentum transfer in space and astrophysical explosions

    A. S. Bondarenko, D. B. Schaeffer, E. T. Everson, S. E. Clark, B. R. Lee, C. G. Constantin, S. Vincena, B. Van Compernolle, S. K. P. Tripathi, D. Winske, and C. Niemann · Nature Physics 13, 573–577.

    DOI ↗
  8. 2016

    Simulations of Super Alfvénic Laser Ablation Experiments in the Large Plasma Device

    S. E. Clark · Doctoral dissertation, University of California, Los Angeles.

    Thesis ↗
  9. 2016

    Characterization of laser-produced carbon plasmas relevant to laboratory astrophysics

    D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, S. E. Clark, C. G. Constantin, and C. Niemann · Journal of Applied Physics 120, 043301.

    DOI ↗
  10. 2015

    Experimental study of subcritical laboratory magnetized collisionless shocks using a laser-driven magnetic piston

    D. B. Schaeffer, E. T. Everson, A. S. Bondarenko, S. E. Clark, C. G. Constantin, D. Winske, W. Gekelman, and C. Niemann · Physics of Plasmas 22, 113101.

    DOI ↗
  11. 2015

    Effect of Electron Pressure on Debris-Ambient Coupling in a Magnetized Collisionless Shock

    B. R. Lee, S. E. Clark, D. H. H. Hoffmann, and C. Niemann · IEEE Transactions on Plasma Science 43(5), 1815–1819.

    DOI ↗
  12. 2014

    Spectroscopic measurement of high-frequency electric fields in the interaction of explosive debris plasma with magnetized background plasma

    A. S. Bondarenko, D. B. Schaeffer, E. T. Everson, S. E. Clark, C. G. Constantin, and C. Niemann · Physics of Plasmas 21, 122112.

    DOI ↗
  13. 2014

    Enhanced collisionless shock formation in a magnetized plasma containing a density gradient

    S. E. Clark, E. T. Everson, D. B. Schaeffer, A. S. Bondarenko, C. G. Constantin, C. Niemann, and D. Winske · Physical Review E 90, 041101(R).

    DOI ↗
  14. 2014

    Observation of collisionless shocks in a large current-free laboratory plasma

    C. Niemann, W. Gekelman, C. G. Constantin, E. T. Everson, D. B. Schaeffer, A. S. Bondarenko, S. E. Clark, D. Winske, S. Vincena, B. Van Compernolle, and P. Pribyl · Geophysical Research Letters 41, 7413–7418.

    DOI ↗
  15. 2014

    Laser-driven, magnetized quasi-perpendicular collisionless shocks on the Large Plasma Device

    D. B. Schaeffer, E. T. Everson, A. S. Bondarenko, S. E. Clark, C. G. Constantin, S. Vincena, B. Van Compernolle, S. K. P. Tripathi, D. Winske, W. Gekelman, and C. Niemann · Physics of Plasmas 21, 056312.

    DOI ↗
  16. 2013

    Hybrid simulation of shock formation for super-Alfvénic expansion of laser ablated debris through an ambient, magnetized plasma

    S. E. Clark, D. Winske, D. B. Schaeffer, E. T. Everson, A. S. Bondarenko, C. G. Constantin, and C. Niemann · Physics of Plasmas 20, 082129.

    DOI ↗
  17. 2013

    Dynamics of exploding plasmas in a large magnetized plasma

    C. Niemann, W. Gekelman, C. G. Constantin, E. T. Everson, D. B. Schaeffer, S. E. Clark, D. Winske, A. B. Zylstra, P. Pribyl, S. K. P. Tripathi, D. Larson, S. H. Glenzer, and A. S. Bondarenko · Physics of Plasmas 20, 012108.

    DOI ↗
  18. 2012

    Feasibility of characterizing laser-ablated carbon plasmas via planar laser induced fluorescence

    A. S. Bondarenko, D. B. Schaeffer, E. T. Everson, C. G. Constantin, S. E. Clark, and C. Niemann · Review of Scientific Instruments 83, 10E515.

    DOI ↗
  19. 2012

    Magnetic field measurements in low density plasmas using paramagnetic Faraday rotator glass

    S. E. Clark, D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, C. G. Constantin, and C. Niemann · Review of Scientific Instruments 83, 10D503.

    DOI ↗
  20. 2012

    Simulations of two-stream instability in opposite polarity dusty plasmas

    S. E. Clark, M. Rosenberg, and K. Quest · Journal of Plasma Physics 78(3), 211–224.

    DOI ↗
  21. 2011

    Excitation of ion waves by charged dust beams in ionospheric aerosol release experiments

    M. Rosenberg, P. A. Bernhardt, and S. E. Clark · Planetary and Space Science 59(4), 312–318.

    DOI ↗
  22. 2007

    “Bursty” Reconnection Following Solar Eruptions: MHD Simulations and Comparison with Observations

    P. Riley, R. Lionello, Z. Mikić, J. Linker, E. Clark, J. Lin, and Y. Ko · The Astrophysical Journal 655, 591–597.

    DOI ↗
  23. 2006

    Simulating Radiating and Magnetized Flows in Multiple Dimensions with ZEUS-MP

    J. C. Hayes, M. L. Norman, R. A. Fiedler, J. O. Bordner, P. S. Li, S. E. Clark, A. ud-Doula, and M.-M. M. Low · The Astrophysical Journal Supplement Series 165(1), 188–228.

    DOI ↗

Patents 6 records

  1. 2024

    Time-Dependent Plasma Systems and Methods for Thermionic Conversion

    US 12,081,145 B2 · Issued September 3, 2024.

    Patent ↗
  2. 2023

    Thermionic energy converter with thermal concentrating hot shell

    US 11,626,273 B2 · Issued April 11, 2023.

    Patent ↗
  3. 2021

    Electrostatic grid device to reduce electron space charge

    US 11,205,564 B2 · Issued December 21, 2021.

    Patent ↗
  4. 2021

    Elements for mitigating electron reflection and vacuum electronic devices incorporating elements for mitigating electron reflection

    US 2021/0057123 A1 · Published February 25, 2021.

    Patent ↗
  5. 2020

    Combined heating and power modules and devices

    US 2020/0294779 A1 · Published September 17, 2020.

    Patent ↗
  6. 2020

    Shadowed grid structures for electrodes in vacuum electronics

    US 10,658,144 B2 · Issued May 19, 2020.

    Patent ↗

Conference presentations 12 records

  1. 2024

    Hybrid simulations of compression relevant FRC equilibria for Polaris

    S. E. Clark, R. Milroy, and G. Votroubek · Oral presentation, 66th Annual Meeting of the APS Division of Plasma Physics, Atlanta, Georgia.

  2. 2022

    Particle-in-Cell Simulations of High Current Density Electron Beams in the Scorpius Linear Induction Accelerator

    S. E. Clark, Y.-J. Chen, J. Ellsworth, A. T. Fetterman, C. N. Melton, and W. D. Stem · Oral presentation, North American Particle Accelerator Conference, Albuquerque, New Mexico.

  3. 2017

    Particle-In-Cell Simulations of a Thermionic Converter

    S. E. Clark · Oral presentation, 59th Annual Meeting of the APS Division of Plasma Physics, Milwaukee, Wisconsin.

  4. 2016

    Three-dimensional hybrid simulations of high repetition rate laser ablation experiments in the Large Plasma Device

    S. E. Clark, D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, C. G. Constantin, D. Winske, D. Larson, and C. Niemann · Poster, 11th International Conference on High Energy Density Laboratory Astrophysics, Menlo Park, California.

  5. 2015

    Three Dimensional Hybrid Simulations of Super-Alfvénic Laser Ablation Experiments in the Large Plasma Device

    S. E. Clark, D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, C. G. Constantin, D. Winske, and C. Niemann · Poster, International Workshop on the Interrelationship between Plasma Experiments in the Laboratory and in Space, Pitlochry, Scotland.

  6. 2015

    Enhanced collisionless shock formation in a magnetized plasma containing a density gradient

    S. E. Clark, C. Niemann, C. G. Constantin, D. B. Schaeffer, E. T. Everson, A. S. Bondarenko, W. Gekelman, and D. Winske · Oral presentation, Hardened Electronics and Radiation Technology Technical Interchange Meeting, Chantilly, Virginia.

  7. 2014

    Three Dimensional Hybrid Simulations of Super-Alfvénic Laser Ablation Experiments in the Large Plasma Device

    S. E. Clark, D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, C. G. Constantin, C. Niemann, and D. Winske · Poster, 56th Annual Meeting of the APS Division of Plasma Physics, New Orleans, Louisiana.

  8. 2014

    Using Laser-Produced Plasmas to Study Debris-Air Coupling

    S. E. Clark, C. Niemann, C. G. Constantin, D. B. Schaeffer, E. T. Everson, A. S. Bondarenko, W. Gekelman, D. Winske, M. M. Cowee, D. J. Larson, and S. H. Brecht · Oral presentation, Hardened Electronics and Radiation Technology Technical Interchange Meeting, Huntsville, Alabama.

  9. 2013

    Laser-Driven, Magnetized Collisionless Shocks on the Large Plasma Device

    S. E. Clark, C. Niemann, C. G. Constantin, D. B. Schaeffer, E. T. Everson, A. S. Bondarenko, S. Vincena, B. Van Compernolle, S. K. P. Tripathi, W. Gekelman, and D. Winske · Oral presentation, American Geophysical Union Fall Meeting, San Francisco, California.

  10. 2013

    Multidimensional Hybrid Simulations of Super-Alfvénic Laser Ablation Experiments in the Large Plasma Device

    S. E. Clark, D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, C. G. Constantin, C. Niemann, and D. Winske · Oral presentation, 55th Annual Meeting of the APS Division of Plasma Physics, Denver, Colorado.

  11. 2012

    Measurements of Magnetic Field in Low Density Plasmas using Paramagnetic Faraday Rotator Glass

    S. E. Clark, D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, C. G. Constantin, C. Niemann, and D. Winske · Poster, 54th Annual Meeting of the APS Division of Plasma Physics, Providence, Rhode Island.

  12. 2012

    In-situ Measurement of Magnetic Field in Low Density Plasma using Paramagnetic Faraday Rotator Glass

    S. E. Clark, D. B. Schaeffer, A. S. Bondarenko, E. T. Everson, C. G. Constantin, and C. Niemann · Poster, 19th Topical Conference on High-Temperature Plasma Diagnostics, Monterey, California.

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