MFE: Stellarator Research II

ORAL · UO05 · ID: 3571483

Presentations

  • Gradient-based single-stage dipole optimization

    ORAL

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    Publication: 1. Kappel, J., Landreman, M., & Malhotra, D. (2024). The Magnetic Gradient Scale Length Explains Why Certain Plasmas Require Close External Magnetic Coils. Plasma Physics and Controlled Fusion, 66(2), 025018. https://doi.org/10.1088/1361-6587/ad1a3e
    2. Fu, L., Paul, E. J., Kaptanoglu, A. A., & Bhattacharjee, A. (2025). Global Stellarator Coil Optimization With Quadratic Constraints and Objectives. Nuclear Fusion, 65(2), 026045. https://doi.org/10.1088/1741-4326/ada810
    3. Qian, T. M., Chu, X., Pagano, C., Patch, D., Zarnstorff, M. C., Berlinger, B., Bishop, D., Chambliss, A., Haque, M., Seidita, D., & Zhu, C. (2023). Design and Construction of the MUSE Permanent Magnet Stellarator. Journal of Plasma Physics, 89(5), 955890502. https://doi.org/10.1017/S0022377823000880
    4. Gates, D. A., Aslam, S., Berzin, B., Bonofiglo, P., Cote, A., Dudt, D. W., Flom, E., Fort, D., Koen, A., Kruger, T. G., Kumar, S. T. A., Martin, M. F., Ottaviano, A., Pasmann, S., Romano, P. K., Swanson, C. P. S., Tang, L., Winkler, E., & Wu, R. (2025). Stellarator Fusion Systems Enabled by Arrays of Planar Coils. Nuclear Fusion, 65(2), 026052. https://doi.org/10.1088/1741-4326/ada56c
    5. Kaptanoglu, A. A., Conlin, R., & Landreman, M. (2023). Greedy Permanent Magnet Optimization. Nuclear Fusion.
    6. Nuclear Fusion, 60(10), 106002. https://doi.org/10.1088/1741-4326/aba453
    7. Yu, G., Liu, K., Qian, T., Xie, Y., Nie, X., & Zhu, C. (2024). Quasi-Single-Stage Optimization for Permanent Magnet Stellarators. Nuclear Fusion, 64(7), 076055. https://doi.org/10.1088/1741-4326/ad521c

    Presenters

    • Lanke Fu

      Princeton University

    Authors

    • Lanke Fu

      Princeton University

    • Alan A Kaptanoglu

      New York University, Courant Institute

    • Elizabeth J Paul

      Columbia University

    • Amitava Bhattacharjee

      Princeton University

    View abstract →

  • Trends from the DESC omnigenity stellarator database

    ORAL

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    Presenters

    • Rahul Gaur

      Princeton University

    Authors

    • Rahul Gaur

      Princeton University

    • Yigit Elmacioglu

      Princeton University

    • Victor F Pacheco

      CIEMAT

    • Dario Panici

      Princeton University

    • Greta Isabella Hibbard

      Ohio University

    • Jose Luis Velasco

      CIEMAT

    • Daniel William Dudt

      Thea Energy

    • Rory Conlin

      University of Maryland

    • Michael Churchill

      Princeton Plasma Physics Laboratory (PPPL), Princeton Plasma Physics Laboratory

    • Egemen Kolemen

      Princeton University

    View abstract →

  • Non-planar, no-insulation ReBCO coils for an optimized tabletop stellarator

    ORAL

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    Publication: [1] "A Non-planar ReBCO Test Coil with 3D-printed Aluminum Support Structure for the EPOS Stellarator." P. Huslage at al. submitted to IEEE Transactions on Applied Superconductivity. https://arxiv.org/abs/2505.08488.

    [2] "Strain Optimization for ReBCO High-Temperature Superconducting Stellarator Coils in SIMSOPT." P. Huslage, E. J. Paul, M. Haque. P. F. Gil, N. Foppiani, J. Smoniewski, E. V. Stenson. Journal of Plasma Physics , Volume 91 , Issue 2 , April 2025 , E71.
    https://doi.org/10.1017/S0022377825000224

    [3] "Winding angle optimization and testing of small-scale, non-planar, high-temperature superconducting stellarator coils." P Huslage, D Kulla, J-F Lobsien, T Schuler, E V Stenson. Supercond. Sci. Technol. 37, 085010 (2024).
    https://dx.doi.org/10.1088/1361-6668/ad5382

    [4] "JANUS: A Robust ReBCO Tape Design for Increased Performance in Magnetic Fields" Paul Huslage. IEEE Transactions on Applied Superconductivity, Volume 34, Issue 5, 6601604 (2024).
    https://doi.org/10.1109/TASC.2024.3362775

    [5] EPOS: A Stellarator to confine electron positron plasmas using ReBCO High-Temperature Superconductors. P. Huslage et al. to be submitted to Fusion Engineering and Design.

    Presenters

    • Paul Huslage

      Max-Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics

    Authors

    • Paul Huslage

      Max-Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics

    • Eve Virginia Stenson

      Max Planck Institute for Plasma Physics

    • Pedro F Gil

      Max Planck Institute for Plasma Physics

    • Jason Smoniewski

      Max Planck Institute for Plasma Physics

    • Tristan Schuler

      SchulerTEC

    View abstract →

  • Bayesian stellarator coil design

    ORAL

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    Presenters

    • Sehyun Kwak

      Max Planck Institute for Plasma Physics

    Authors

    • Sehyun Kwak

      Max Planck Institute for Plasma Physics

    • Andrea Pavone

      Max Planck Institute for Plasma Physics

    • Felix Warmer

      Max Planck Institute for Plasma Physics, TU Eindhoven

    View abstract →

  • Experimental characterization of transport effects of internal magnetic islands in Wendelstein 7-X

    ORAL

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    Presenters

    • Ramon Lopez Cansino

      University of Sevilla

    Authors

    • Ramon Lopez Cansino

      University of Sevilla

    • Eleonora Viezzer

      Universidad de Sevilla, Sevilla, Spain, Department of Atomic, Molecular and Nuclear Physics, University of Seville, Av. Reina Mercedes, Seville, 41012, Spain

    • Valeria Perseo

      Max Planck Institute for Plasma Physics

    • Oliver Ford

      Max Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics, Greifswald, Germany, Max-Planck-Institute for Plasma Physics (IPP Greifswald)

    • D. M. Matthew Kriete

      Auburn University

    • Carsten Killer

      Max Planck Institute for Plasma Physics

    • Felix Reimold

      Max Planck institute of plasma physics, Greifswald

    View abstract →

  • Relation Between Magnetic Geometry and Stellarator Confinement using Data-Driven Methods

    ORAL

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    Publication: P. Curvo, D. R. Ferreira, R. Jorge 2025. "Using deep learning to design high aspect ratio fusion devices." Journal of Plasma Physics 91(1), E38
    R. Laia, R. Jorge, G. Abreu 2025. "Data-Driven Approach to Model the Influence of Magnetic Geometry in the Confinement of Fusion Devices." arXiv:2507.03776

    Presenters

    • Rogerio Jorge

      Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA

    Authors

    • Rogerio Jorge

      Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA

    • Rodrigo Laia

      Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal

    • Gonçalo Abreu

      Alfredo AI

    View abstract →

  • Alpha-particle orbits near rational flux surfaces in stellarators

    ORAL

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    Publication: Planned papers:
    1. Energetic-particle orbits near rational flux surfaces in stellarators: I. Passing particles
    2. Energetic-particle orbits near rational flux surfaces in stellarators: II. Semi-trapped particles
    3. Alpha-particle orbits in stellarators: finite-gyroradius effects

    Presenters

    • Thomas Edward Foster

      Princeton University

    Authors

    • Thomas Edward Foster

      Princeton University

    • Felix I Parra

      Princeton Plasma Physics Laboratory (PPPL)

    • Roscoe B White

      Princeton Plasma Physics Laboratory (PPPL)

    • Jose Luis Velasco

      CIEMAT

    • Ivan Calvo

      Laboratorio Nacional de Fusion, CIEMAT

    • Elizabeth J Paul

      Columbia University

    View abstract →

  • Computing Invariant Tori for Energetic Particles

    ORAL

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    Publication: Ruth, Maximilian, Jackson Kulik, and Joshua Burby. Robust computation of higher-dimensional invariant tori from individual trajectories. arXiv preprint arXiv:2505.08715 (2025).

    Presenters

    • Max Ruth

      Institute for Fusion Studies, University of Texas at Austin

    Authors

    • Max Ruth

      Institute for Fusion Studies, University of Texas at Austin

    • Jackson Kulik

      Utah State University

    • Joshua W Burby

      University of Texas at Austin

    View abstract →

  • First X3-operation and density feedback experiments with ECRH at the stellarator Wendelstein 7-X

    ORAL

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    Publication: [1] Polei et al. Nuclear Fusion to be submitted

    Presenters

    • Torsten Stange

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, 17491 Greifswald

    Authors

    • Torsten Stange

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, 17491 Greifswald

    • Laurent Krier

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max-Planck-Institute for Plasma Physics, Greifswald, Germany

    • Niklas Simon Polei

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Juergen Baldzuhn

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics, 17491 Greifswald

    • Sergey Bozhenkov

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Greifswald

    • Kai Jakob Brunner

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Greifswald

    • Andreas Dinklage

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics

    • Oliver Ford

      Max Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics, Greifswald, Germany, Max-Planck-Institute for Plasma Physics (IPP Greifswald)

    • Golo Fuchert

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Greifswald

    • Olaf Grulke

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Kenneth C Hammond

      Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ, USA, Princeton Plasma Physics Laboratory (PPPL)

    • Matthias Hirsch

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Marcin Jakubowski

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Jens Knauer

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Greifswald

    • Andreas Langenberg

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics

    • Heinrich P Laqua

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics

    • Stefan Marsen

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max-Planck-Institute for Plasma Physics, Greifswald, Germany

    • Dmitry Moseev

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Hans Oosterbeek

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Burkhard Plaum

      Institute for Interfacial Process Eng. & Plasma Technol. (IGVP), University Stuttgart, Germany

    • Sergey Ponomarenko

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max-Planck-Institute for Plasma Physics, Greifswald, Germany

    • Kian Rahbarnia

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Greifswald

    • Adrian v von Stechow

      Max Planck Institute for Plasma Physics, Greifswald, Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics

    • Edgardo Villalobos

      Max Planck Institute of Plasma Physics, Greifswald, Germany, Max Planck Institute of Plasma Physics, Greifswald

    • Robert C Wolf

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Jonas Zimmermann

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    View abstract →

  • Effect of boron powder injection on the density limit in the Large Helical Device

    ORAL

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    Publication: Impurity powder injection experiments in the Large Helical Device, Journal of Fusion Energy, Submitted 2025

    Presenters

    • Federico Nespoli

      Princeton Plasma Physics Laboratory (PPPL)

    Authors

    • Federico Nespoli

      Princeton Plasma Physics Laboratory (PPPL)

    • Kenji Tanaka

      National Institute for Fusion Science

    • Suguru Masuzaki

      National Institute for Fusion Science

    • Mamoru Shoji

      National Institute for Fusion Science

    • Robert A. Lunsford

      Princeton Plasma Physics Laboratory (PPPL)

    • Gen Motojima

      National Institute for Fusion Science

    View abstract →

  • Summary of the Stellarator Technology and Advanced Research Strategies (STARS) Report

    ORAL

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    Presenters

    • Novimir A Pablant

      Princeton Plasma Physics Laboratory (PPPL)

    Authors

    • Novimir A Pablant

      Princeton Plasma Physics Laboratory (PPPL)

    • Adelle M Wright

      University of Wisconsin-Madison

    • Diane R Demers

      Xantho Technologies, LLC

    • Benedikt Geiger

      University of Wisconsin - Madison

    • Walter Guttenfelder

      Type One Energy Group

    • Matthias Knolker

      General Atomics

    • D. M. Matthew Kriete

      Auburn University

    • Bartosz Lomanowski

      Oak Ridge National Laboratory

    • Felix I Parra

      Princeton Plasma Physics Laboratory (PPPL)

    • Elizabeth J Paul

      Columbia University

    • Charles P.S. Swanson

      Thea Energy

    View abstract →