List of posters contributions TABLE


POSTER SESSION 1: TUESDAY 21 April 2026
Poster no.	Presenting author	Presenting author affiliation	Title
P1.01	Jacobo Varela	University of Texas-Austin, USA	Bursting activity in LHD plasma induced by multiple EP populations
P1.02	Max Ruth	University of Texas-Austin, USA	Regularizing the MHS variational principle
P1.03	Worathat Paenthong	The Graduate University for Advanced Studies, SOKENDAI, Japan	Study of Helically-Trapped Energetic Ion Transport Induced by Energetic-Ion-Driven Resistive Interchange Modes using Imaging Neutral Particle Analyzer in LHD
P1.04	Belén López-Miranda	CIEMAT, Spain	Relative estimation of fast-ion losses in the TJ-II stellarator under different NBI-heating scenarios
P1.06	Byoungchan Jang	University of Maryland, USA	Beyond Quasisymmetry and Quasi-Isodynamic: Understanding Alpha-Particle Confinement in Non-QS/QI Stellarators
P1.07	Heng Lan	Southwest Jiaotong University, China	Experimental study of the low and high-frequency electromagnetic fluctuations in the quasiaxisymmetric stellarator CFQS-T
P1.08	Hao Wang	National Institute for Fusion Science, Japan	Simulation of energetic-particle-driven instabilities in VAST stellarator
P1.09	Edith Victoria Hausten	Max Planck Institute for Plasma Physics, Germany	Advancing high-beta plasma equilibrium analysis for the Wendelstein 7-X Stellarator
P1.10	Orin Varley	Max Planck Institute for Plasma Physics, Germany	Modelling of Island Divertor Topology and Edge MHD Instabilities in Stellarators with JOREK
P1.11	Alvaro Cappa	CIEMAT, Spain	Simulations of Neutral Beam Injection in the TJ-II stellarator
P1.12	Carl W. Rogge	Max Planck Institute for Plasma Physics, Germany	Towards modelling pellet-produced plasmoid dynamics in stellarators using the nonlinear MHD code JOREK
P1.13	Shigeru Inagaki	Kyoto University, Japan	Statistical Characterization of Bursty and Intermittent Magnetic Fluctuations in Heliotron J Plasmas
P1.14	Junyoung Jang	Seoul National University, South Korea	Perturbed Equilibrium Approach for Stability in Stellarators
P1.15	Tian Fu	Southwest Jiaotong University, China	Magnetic field stochasticity induced by finite plasma beta in CFQS quasi-axisymmetric stellarator
P1.16	Pedro Pons-Villalonga	Max Planck Institute for Plasma Physics, Germany	Understanding experimental measurements of Alfvén eigenmode mode numbers made with magnetic fluctuation diagnostics in stellarators
P1.17	Zilin Cui	Southwest Jiaotong University, China	First EMC3-EIRENE application to the CFQS and preliminary divertor plate design
P1.18	Jorge Alcusón	Universidad de Córdoba, Spain	Fast ions nature of transport in Wendelstein 7-X
P1.19	Lucía Sanchis	University of Sevilla, Spain	Characterization of sFILD Signals and Validation of Helium Beam Modeling in Hydrogen and Helium Plasmas in W7-X
P1.20	Rahul Gaur	University of Wisconsin-Madison, USA	A novel 3D MHD Stability Solver to investigate millions of Generalized Omnigenous equilibria in DESC
P1.21	Yuki Takemura	National Institute for Fusion Science, Japan	Unified Force-Balance Modeling of Nonlinear MHD Instability Evolution in Helical and Tokamak Plasmas
P1.22	Elizabeth Paul	Columbia University, USA	FIRM3D: An open-source suite for energetic particle confinement analysis in optimized stellarator equilibria
P1.23	Andrew Brown	Princeton Plasma Physics Laboratory, USA	Magnetic Reconnection in Regularized MHD
P1.24	Kenichi Nagaoka	National Institute for Fusion Science, Japan	CHD: Renovation of CHS
P1.25	Wei Li	Southwest Jiaotong University, China	Dynamic mechanisms across the transition from L- to steady-state H-mode in Large Helical Device
P1.26	Xiang Han	University of Wisconsin-Madison, USA	Experimental characterization of a low-frequency coherent oscillation at the plasma edge region of Wendelstein 7-X
P1.27	Hai Liu	Southwest Jiaotong University, China	Study on power deposition of 2.45 GHz microwave heating in CFQS-T overdense plasma
P1.28	Rory Conlin	University of Maryland, USA	A new multigrid solver for stellarator neoclassical transport
P1.29	Danni Wu	Southwest Jiaotong University, China	First measurements of a neutral beam probe diagnostic for the test device of Chinese First Quasi-axisymmetric Stellarator (CFQS-T)
P1.30	Ameer I. Mohammed	Princeton Plasma Physics Laboratory, USA	Gyrokinetic analysis of injection experiments in W7-X and LHD using GX
P1.31	Benedikt Geiger	University of Wisconsin-Madison, USA	Towards high performance operation of the HSX stellarator
P1.32	Kazunobu Nagasaki	Kyoto University, Japan	Configuration Dependence of Energy Confinement and Available Energy in Heliotron J and VAST
P1.33	Jong K. Park	Seoul National University, South Korea	Leveraging non-axisymmetric field control between tokamaks and stellarators
P1.34	Yucai Li	Southwest Jiaotong University, China	Influence of microturbulence on thermal quench and disruption in fusion plasmas
P1.35	Seungho Lee	Seoul National University, South Korea	Effect of Radial Electric Field on Neoclassical Transport and Viscosity Mode Spectra in Stellarators
P1.36	J. Huang	Southwest Jiaotong University, China	Basic characteristics of ITG turbulence in the Chinese First Quasi-axisymmetric Stellarator (CFQS)
P1.37	Hong Zhou	Southwest Jiaotong University, China	Effects of He/D contents on plasma confinement and pedestal dynamics in the EAST Tokamak
P1.38	Hongxuan Zhu	Zhejiang University, China	Characterizing the Transport Properties of Quasi-symmetric Stellarators from Their Equivalent Tokamaks
P1.39	Shinichiro Kado	Kyoto University, Japan	Advanced Diagnostic Approaches to Hydrogen Pellet Fueling in Heliotron J: From Ablation Dynamics to Reheat Phenomena
P1.40	Felix I. Parra	Princeton Plasma Physics Laboratory, USA	Linear equations for stellarator local MHD equilibria around irrational and rational flux surfaces
P1.41	Wrick Sengupta	Princeton University, USA	Theory of ridges in compact quasi-axisymmetric devices
P1.42	Silvia Peiro	University of Wisconsin-Madison, USA	Visible Light Active Spectroscopy of High-Z Emission in W7-X
P1.43	Spencer Kwan	University of Wisconsin-Madison, USA	Acceleration of T3D-GX profile prediction, using Gaussian Progress Regression for Efficient Gyrokinetic Flux Calculations
P1.44	Ramón López-Cansino	University of Sevilla, Spain	Characterization of the effect of internal magnetic islands in Wendelstein 7-X plasmas
P1.45	Emily McDougall	Max Planck Institute for Plasma Physics, Germany	Quantifying drift effects on particle strike line position and profile shape using Hα reionization emission
P1.46	Eduardo Rodriguez	Max Planck Institute for Plasma Physics, Germany	Exploring the space of quasi-isodynamic stellarators: a near-axis quasi-isodynamic database
P1.47	Georg Grassler	Graz University of Technology, Austria	Effects of the electric field on the low collisionality bootstrap current asymptotic in near omnigenous devices
P1.48	Yigit Gunsur Elmacioglu	Princeton University, USA	Direct Trajectory-Based Optimization of Particle Confinement for Stellarators in DESC
P1.49	Dario Panici	Princeton University, USA	Reconstruction Capabilities in DESC
P1.50	Misha Padidar	Flatiron Institute, USA	Single-stage stellarator optimization for near-axis quasisymmetry with a pressure gradient
P1.51	Rohan Lopez	Columbia University, USA	Sensitivity Analysis for the Columbia Stellarator eXperiment
P1.52	Annika Zettl	Max Planck Institute for Plasma Physics, Germany	Banana Coil Optimization for novel Tokamak-Stellarator Hybrids
P1.53	Florian Hindenlang	Max Planck Institute for Plasma Physics, Germany	GVEC: A flexible 3D MHD equilibrium solver
P1.54	Robert Babin	Max Planck Institute for Plasma Physics, Germany	Enabling stellarator optimization beyond cylindrical coordinates
P1.55	Hengqian Liu	University of Science and Technology of China	Optimizing omnigenity like quasisymmetry for stellarators
P1.56	José Luis Velasco	CIEMAT, Spain	Piecewise omnigenous magnetohydrodynamic equilibria as fusion reactor candidates
P1.57	Zheng-kun Gao	University of South China, China	Magnetic configuration Analysis of the CN-H1: A Comparative Study with H-1NF Configurations
P1.58	Matt Landreman	University of Maryland, USA	Direct asynchronous optimization of fast-ion confinement using dimensionality reduction
P1.59	Djin Patch	University of Wisconsin-Madison, USA	Stellarator optimization for 3D open field line Mirrors
P1.60	Lanke Fu	Courant Institute of Mathematical Sciences, USA	Gradient-driven combined-coil-plasma optimization of permanent magnet stellarators
P1.61	Tony Qian	University of Wisconsin-Madison, USA	Stellarators Linking Axisymmetric Mirrors (SLAM)
P1.62	Elias Waagaard	Max Planck Institute for Plasma Physics, Germany	Sheath Boundary Conditions for Stellarator Applications in JOREK
P1.63	Zhihong Lin	University of California-Irvine, USA	Zonal flows: insights from tokamak to stellarator
P1.66	Adelle Wright	University of Wisconsin-Madison, USA	Global confinement characteristics of an optimised quasi-axisymmetric stellarator
P1.69	Raul Sánchez	Universidad Carlos III de Madrid, Spain	Geometric control of electrostatic ITG turbulence in compact stellarators via toroidally averaged triangularity
P1.71	Yasuhiro Suzuki	Hiroshima University, Japan	First Plasma of HU-Heliac
POSTER SESSION 2: THURSDAY 23 April 2026
Poster no.	Presenting author	Presenting author affiliation	Title
P2.01	Dana Douqa	Gauss Fusion GmbH, Germany	Divertor physics basis for the Gauss Fusion power plant conceptual design
P2.02	Erik Flom	Thea Energy, USA	Explorations of divertor performance in the quasi-axisymmetric stellarator Helios
P2.03	Dorothea Gradic	Max Planck Institute for Plasma Physics, Germany	Stark broadening analysis for density measurements in the divertor SOL of Wendelstein 7-X
P2.04	Foisal B. T. Siddiki	University of Wisconsin-Madison, USA	Helium Line Ratio Spectroscopy for Scrape-Off-Layer Characterization at W7-X
P2.05	Alice Bonciarelli	Max Planck Institute for Plasma Physics, Germany	Localized probe measurements across magnetic islands: implications for divertor operation in W7-X
P2.06	Daniil Ryndyk	Forschungszentrum Jülich, Germany	EMC3-EIRENE predictions of radiative detachment scenarios in W7-X equipped with a tungsten based divertor
P2.07	Heinke Frerichs	University of Wisconsin-Madison, USA	FIREFLY: heat load and particle exhaust approximations for divertor design
P2.08	Valeria Perseo	Max Planck Institute for Plasma Physics, Germany	Changes in the scrape-off layer transport of the Wendelstein 7-X island divertor at increased power operation
P2.09	Arun Pandey	Max Planck Institute for Plasma Physics, Germany	Experimental observations of the effect of island geometry modifications on divertor plasma parameters in Wendelstein 7-X
P2.10	Dieter Boeyaert	University of Wisconsin-Madison, USA	Radiated power patterns in HSX
P2.11	Shibabrat Naik	Hampton University, USA	From Code to Coil: The STAR Lite Experimental Program for Divertor Physics
P2.12	J. von der Linden	Thea Energy, USA	Alpha Confinement in the Quasi-Axisymmetric Helios Fusion Pilot Plant
P2.13	Mike F. Martin	Thea Energy, USA	Progress toward profile prediction in Helios
P2.14	António J. Coelho	Gauss Fusion GmbH, Germany	Transport modeling of the GIGA stellarator power plant plasma
P2.15	Erik M. Granstedt	Type One Energy Group, USA	Development of reduced models to validate integrated core-edge performance for the Infinity Two stellarator Fusion Pilot Plant
P2.16	Andreas Krämer-Flecken	Forschungszentrum Jülich, Germany	Evidence for density gradient driven high frequency modes in W7-X
P2.17	Markus Wappl	Max Planck Institute for Plasma Physics, Germany	Steady-state high performance at W7-X: Density control and dependence on magnetic configuration
P2.18	Adrian von Stechow	Max Planck Institute for Plasma Physics, Germany	Reducing core turbulence by gradient control for high performance Wendelstein 7-X plasmas
P2.19	D.L C. Agapito Fernando	Max Planck Institute for Plasma Physics, Germany	Reduced Models for Turbulent Transport in W7-X
P2.20	Thomas WIndisch	Max Planck Institute for Plasma Physics, Germany	Doppler backscattering diagnostics at Wendelstein 7-X
P2.21	Emmanouil Maragkoudakis	Max Planck Institute for Plasma Physics, Germany	Investigating the impact of the magnetic mirror ratio on the amplitude of density fluctuations and the radial electric field in Wendelstein 7-X
P2.22	Kieran J. McCarthy	CIEMAT, Spain	The observation of low-frequency oscillations in bolometer and soft X-ray signals after multiple pellet injections into the stellarator TJ-II
P2.23	J. F. Guerrero Arnaiz	Max Planck Institute for Plasma Physics, Germany	Ray-tracing study of 3rd harmonic ECE emissions in high-density optically thin W7-X plasmas
P2.24	J.P. Bähner	Max Planck Institute for Plasma Physics, Germany	Turbulent density fluctuations in Wendelstein 7-X increased iota configurations with internal magnetic islands
P2.25	Christoph Pitzal	Max Planck Institute for Plasma Physics, Germany	Simulating Edge and SOL Turbulence in Stellarators - Advances with GRILLIX on W7-AS and W7-X
P2.26	Paul Costello	Max Planck Institute for Plasma Physics, Germany	Bounding linear gyrokinetic instability growth in general magnetic geometry
P2.27	Hugo I. Cu-Castillo	Max Planck Institute for Plasma Physics, Germany	Microtearing mode turbulence and its role in high-density-gradient plasmas in the Wendelstein 7-X stellarator
P2.28	Naoki Tamura	Max Planck Institute for Plasma Physics, Germany	A Comprehensive Study of the Effect of Additional Heating on Impurity Behavior in NBI-Heated LHD Plasmas
P2.29	Joaquim Loizu	Swiss Plasma Center, EPFL, Switzerland	Polaris: a new small-scale, flexible, stellarator experiment
P2.30	Yurii Kovtun	Institute of Plasma Physics, NSC KIPT, Ukraine	Overview of ICRF plasma production and heating at LHD
P2.31	Alejandro González-Ganzábal	CIEMAT, Spain	Development of a standardised TJ-II database for Machine Learning models and applications
P2.32	Sadayoshi Murakami	Kyoto University, Japan	Adaptive Predictive Control of LHD and HSX Plasmas Using Data Assimilation System ASTI
P2.33	Thomas G. Kruger	Thea Energy, USA	Optimization of the Planar Coil Stellarator
P2.34	Jorrit Lion	Proxima Fusion GmbH, Germany	Design progress towards a net-energy-gain high-field stellarator
P2.35	Daniel Dudt	Thea Energy, USA	Finite-β Single-Stage Optimization of Helios
P2.36	Rohan Ramasamy	Proxima Fusion GmbH, Germany	On the physics basis for a high field net energy gain demonstrator
P2.37	Joey Duff	Type One Energy Group, USA	Computing engineering tolerances from physics sensitivity for stellarator coils.
P2.38	Hiroyuki Tanoue	National Institute for Fusion Science, Japan	Engineering challenges on the low-aspect-ratio quasi-axisymmetric stellarator CFQS-T and its upgrade status toward the 1 T operation
P2.39	Matthias Otte	Max Planck Institute for Plasma Physics, Germany	Vacuum Magnetic Flux Surface Measurements at Wendelstein 7-X
P2.40	Andrew Giuliani	Flatiron Institute, USA	STAR_Lite: a quasi-axisymmetric stellarator optimized for flexibility
P2.41	John Kappel	University of Maryland, USA	Optimization of the Magnetic Gradient Scale Length Improves Filamentary Coil Plasma Distances
P2.42	Lee Kadz	Princeton University, USA	Optimization of C0 Coils in DESC
P2.43	Taegeun Jeong	Seoul National University, South Korea	Design study of a flexible stellarator with multiple optimized equilibria
P2.44	Caoxiang Zhu	University of Science and Technology of China	Quasi-single-stage Optimization for Stellarators
P2.45	Mitsutaka Isobe	National Institute for Fusion Science, Japan	Post-LHD project from LHD project
P2.46	Jonghyeon Ko	Seoul National University, South Korea	Virtual Coil Winding Surface Reconstruction from Modular Coils and Its Application to Coil–Plasma Geometry Analysis
P2.47	Xianyi Nie	University of Science and Technology, China	FOCUS-HTS: A New Stellarator Coil Design Code for Three-dimensional High-Temperature Superconducting Magnets
P2.48	Dominic Seidita	University of Wisconsin-Madison, USA	An analytical approach to modeling the effect of magnetic permeable materials on the magnetic fields produced by coils
P2.49	Kenneth Hammond	Princeton Plasma Physics Laboratory, USA	Designing coils with discrete optimization methods
P2.50	Ashit Kumar Nath	Hiroshima University, Japan	Development of a university-scale tabletop stellarator using tilted circular coils.
P2.51	Edilberto Sánchez	CIEMAT, Spain	The CIEMAT-QI family of optimized quasi-isodynamic stellarator configurations
P2.52	Stefan Buller	Princeton University, USA	Compact quasi-axisymmetric equilibria with coil-complexity metrics
P2.53	Achilleas Evangelias	Renaissance Fusion, France	Effect of aspect ratio on ideal MHD equilibrium and stability of optimized stellarator configurations
P2.54	Achilleas Evangelias	Renaissance Fusion, France	Laser-patterned piecewise cylindrical magnets for stellarators
P2.55	Juan Salvador Fernández Prat	Safran Electronic & Defense, Spain	FPGA-Based White Rabbit Timing and Trigger System for Deterministic Control
P2.56	Lucas van Ham	Max Planck Institute for Plasma Physics, Germany	Modeling stray magnetic fields in the Wendelstein 7-X neutral beam box
P2.57	Xirui Liu	Southwest Jiaotong University, China	Magnetic flux surface mapping system at Chinese First Quasi-axisymmetric Stellarator
P2.58	Georg Harrer	Hampton University, USA	Experimental Commissioning of the STAR_Lite Stellarator: In-House Fabrication and Workforce Development
P2.59	Christopher B. Smiet	Swiss Plasma Center, EPFL, Switzerland	Can one make a Kleinerator?
P2.60	Julian Freigang	Proxima Fusion GmbH, Germany	On the core profile prediction for a high field, Q>1 stellarator
P2.61	Sergei Makarov	Proxima Fusion GmbH, Germany	Improved Density Build-Up in Stellarator Island Divertors
P2.62	Orso Meneghini	Proxima Fusion GmbH, Germany	Adopting the IMAS data model for stellarators to enable scalable models integration, verification, and validation
P2.63	Matilde Valente	Proxima Fusion GmbH, Germany	Accelerating Stage-One Stellarator Optimization via Surrogate Models
P2.64	Philipp Jurašić	Proxima Fusion GmbH, Germany	Single-Level Single-Stage Stellarator Optimization Using Boozer Surfaces
P2.68	Victor Tribaldos	Universidad Carlos III de Madrid, Spain	Neoclassical Modeling of Enhanced Confinement Following Multi-Pellet Injection in NBIHeated TJ-II Plasmas
P2.71	Eve V. Stenson	Max Planck Institute for Plasma Physics, Germany	Design and engineering tests for EPOS, a stellarator for e+e- plasmas

25th International Stellarator Heliotron Workshop (ISHW-2026)

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