David C. Pace

@fusion.energy

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Deputy Director, DIII-D National Fusion Facility https://d3dfusion.org

A gyrotron is installed at the DIII-D National Fusion Facility.
Conceptual schematic of experimental research performed at the DIII-D National Fusion Facility. The research took fusion plasmas with quiescent boundaries and performed NIMROD simulations to identify instability thresholds and characteristics as a function of impurity density and species.
Conceptual schematic of a plasma wave and wave-particle interaction experiment performed in the DIII-D tokamak at the DIII-D National Fusion Facility.
interior view of the DIII-D tokamak at the DIII-D National Fusion Facility
undergraduate interns pose at a scale model of the DIII-D tokamak at the DIII-D National Fusion Facility alongside the program manager.
Conceptual schematic of fusion energy materials research experiments conducted at the DIII-D National Fusion Facility. Various candidate plasma-facing materials are exposed to fusion conditions and behaviors such as erosion and arc suppression.
Schematic of research at the DIII-D National Fusion Facility in which integrated models reproduce plasma pedestal structure. Experiments utilized three different divertor geometries to build a comprehensive data set for comparing against different optimizations of integrated models. This work is published in R.S. Wilcox et al 2026 Nucl. Fusion 66 036005, DOI 10.1088/1741-4326/ae3845
The RF team at the DIII-D National Fusion Facility stands next to a just opened crate featuring a MW-class gyrotron manufactured by Kyoto Fusioneering. This gyrotron will be used for heating and current drive in fusion energy experiments.
Schematic of an experiment in the DIII-D National Fusion Facility. The experiment made simultaneous measurements of many plasma characteristics in order to determine the driver of an edge mode dominant in the enhanced D-alpha H-mode scenario.
banner graphic announcing the 2026 call for proposals to participate in the next Research Campaign at the DIII-D National Fusion Facility. Information available at d3dfusion.org/rof
Conceptual diagram of an experiment at the DIII-D National Fusion Facility. This experiment developed a linear quadratic integral controller to demonstrate feedback control on the electron temperature profile.
Cover for the San Diego Regional Economic Development Corporation report, "Catalyzing California's Fusion Advantage: Roadmap to Commercialization."
Conceptual diagram of a negative triangularity experiment conducted at the DIII-D National Fusion Facility.
Conceptual diagram of a plasma turbulence spreading experiment conducted on the DIII-D tokamak at the DIII-D National Fusion Facility.
Conceptual diagram of a negative triangularity energy confinement experiment performed in the DIII-D tokamak at the DIII-D National Fusion Facility.
Conceptual diagram of a negative triangularity experiment performed at the DIII-D National Fusion Facility.
Schematic of an experiment in the DIII-D tokamak at the DIII-D National Fusion Facility. Powdered boron is injected into the fusion plasma and the way it coats the walls is investigated to inform technology development for fusion energy reactors.
Scientist adjusting a tile in the DIII-D tokamak at the DIII-D National Fusion Facility
schematic of fusion energy research data overlaid on photo of the DIII-D tokamak