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ITER

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ITER is a large international fusion experiment aimed at demonstrating the scientific and technological feasibility of fusion energy.

ITER (Latin for "the way") will play a critical role advancing the worldwide availability of energy from fusion — the power source of the sun and the stars.

To produce practical amounts of fusion power on earth, heavy forms of hydrogen are joined together at high temperature with an accompanying production of heat energy. The fuel must be held at a temperature of over 100 million degrees Celsius. At these high temperatures, the electrons are detached from the nuclei of the atoms, in a state of matter called plasma.

David W Johnson

David Johnson is a principal research physicist with broad experience in techniques and instrumentation for measuring the characteristics of magnetic fusion plasmas.  He has specific expertise in laser Thomson scattering systems, and has installed and operated such systems on many fusion devices around the world.  He managed a division of plasma diagnostic experts for the Tokamak Fusion Test Reactor (TFTR) and National Spherical Torus Experiment (NSTX) projects, more recently becoming the Work Breakdown Structure Team Leader for US ITER Diagnostics.

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.

Charles L Neumeyer

Charles Neumeyer Jr. is a registered professional engineer with more than 30 years experience in advanced technology research and project management.  His experience covers functions ranging from design to procurement and conditioning. Neumeyer has managerial roles in activities associated with ITER and the National Spherical Torus Experiment Upgrade (NSTX-U). He is responsible for U.S. equipment contributions for the ITER Steady State Electrical Network, which will supply AC power to all ITER plant systems.

PPPL-led researchers seek to demonstrate a novel design for a key diagnostic tool for ITER

Scientists working under the leadership of the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) have developed and are preparing to test a novel design for a key diagnostic instrument for ITER, a $20 billion experimental fusion facility, or tokamak, that represents the next major step in harnessing fusion power. If proven successful, the design could replace the more conventional, bulkier instrument now planned for ITER.
The new diagnostic design marks a nationwide effort by U.S. researchers in support of U.S.

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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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