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Fusion roadmapping

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The process of mapping a path to a commercial fusion reactor by planning a sequence of future machines.

Scientists meet to chart roadmap to fusion

The crucial next steps on the roadmap to developing fusion energy will be the focus of more than 70 top fusion scientists and engineers from around the world who will gather at the University of California-Los Angeles (UCLA) this month. The Oct. 15-18 session will kick off a series of annual workshops under the auspices of the International Atomic Energy Agency (IAEA) that will address key scientific and technological challenges facing countries developing fusion as a source of clean and abundant energy for producing electricity.

George H Neilson

George "Hutch" Neilson manages PPPL’s international stellarator and tokamak collaborations. In that context, he is program manager and national point-of-contact for U.S. collaborations with the Wendelstein 7-X stellarator experiment in Germany, and a project manager for coil-design collaborations with the JET tokamak experiment in Oxfordshire, UK.  Neilson also is the responsible manager for PPPL advanced design activities, and for planning for a next-generation experimental fusion facility, or DEMO, that is to precede a commercial fusion reactor.

Stewart Prager

Stewart Prager is the sixth director of PPPL. He joined the Laboratory in 2009 after a long career at the University of Wisconsin in Madison. At Wisconsin, he led research on the “Madison Symmetric Torus” (MST) experiment and headed a center that studied plasmas in both the laboratory and the cosmos. He also co-discovered the “bootstrap current” there—a key finding that has influenced the design of today’s tokamaks. He earned his PhD in plasma physics from Columbia University.


Mission Statement

Fusion energy has the potential to provide an alternative energy supply to the United States as well as the world. As leaders of the American magnetic fusion energy community funded by the U.S. Department of Energy, we have a responsibility to inform the public on the progress of this quest. Since funds are limited, any communications must be prioritized so that the most benefit is received for the expenditure.

Fusion diagnostic developed at PPPL sheds light on plasma behavior at EAST

An instrument developed by researchers at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) has enabled a research team at a fusion energy experiment in China to observe--in startling detail--how a particular type of electromagnetic wave known as a radiofrequency (RF) wave affects the behavior of hot ionized gas.

PPPL’s Hawryluk Named ITER Deputy Director-General

Richard Hawryluk, a senior scientist at the DOE Princeton Plasma Physics Laboratory (PPPL), has been appointed deputy director-general of the ITER Organization and director of its administration department. The ITER project, currently under construction in France, aims to demonstrate that fusion is an energy source of the future.
“Rich Hawryluk was the deputy director of the Princeton Plasma Physics Laboratory and has made an outstanding career in the field of fusion research,” said ITER Director-General Osamu Motojima.


U.S. Department of Energy
Princeton Plasma Physics Laboratory is a U.S. Department of Energy national laboratory managed by Princeton University.

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