DIII-D (fusion reactor)

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DIII-D is the name of a tokamak machine developed in the 1980s by General Atomics in San Diego, USA, as part of the ongoing effort to achieve magnetically confined fusion. DIII-D pioneered new technology including the use of beams of neutral particles to penetrate the confinement field of the device and heat the plasma within. It achieved several milestones including the highest plasma β parameter ever achieved at the time (early 1980s) and the highest neutron flux (fusion rate) ever achieved at the time (early 1990s). DIII-D continues to be operated by General Atomics, focusing primarily on exploration of the advanced tokamak regime. Advanced tokamaks are characterized by operation at high plasma β through strong plasma shaping, active control of various plasma instabilities, and achievement of current and pressure profiles that produce high performance. DIII-D is currently (2005) the third-largest operating shaped tokamak in the world (after JET in the UK and JT-60U in Japan).


Fusion power
v • d • e

Atomic nucleus | Nuclear fusion | Nuclear power | Nuclear reactor | Timeline of nuclear fusion | Plasma physics | Magnetohydrodynamics | Neutron flux | Fusion energy gain factor | Lawson criterion
Methods of fusing nuclei

Magnetic confinement: – Tokamak – Spheromak – Stellarator – Reversed field pinch – Field-Reversed Configuration – Levitated Dipole
Inertial confinement: – Laser driven – Z-pinch – Bubble fusion (acoustic confinement) – Fusor (electrostatic confinement)
Other forms of fusion: – Muon-catalyzed fusion – Pyroelectric fusion – Migma – Polywell – Dense plasma focus
List of fusion experiments

Magnetic confinement devices
ITER (International) | JET (European) | JT-60 (Japan) | Large Helical Device (Japan) | KSTAR (Korea) | EAST (China) | T-15 (Russia) | DIII-D (USA) | Tore Supra (France) | TFTR (USA) | NSTX (USA) | NCSX (USA) | UCLA ET (USA) | Alcator C-Mod (USA) | LDX (USA) | H-1NF (Australia) | MAST (UK) | START (UK) | ASDEX Upgrade (Germany) | Wendelstein 7-X (Germany) | TCV (Switzerland) | DEMO (Commercial)

Inertial confinement devices
Laser driven: — NIF (USA) | OMEGA laser (USA) | Nova laser (USA) | Novette laser (USA) | Nike laser (USA) | Shiva laser (USA) | Argus laser (USA) | Cyclops laser (USA) | Janus laser (USA) | Long path laser (USA) | 4 pi laser (USA) | LMJ (France) | Luli2000 (France) | GEKKO XII (Japan) | ISKRA lasers (Russia) | Vulcan laser (UK) | Asterix IV laser (Czech Republic) | HiPER laser (European)
Non-laser driven: — Z machine (USA) | PACER (USA)

See also: International Fusion Materials Irradiation Facility

Coordinates: 32°53′36.46″N, 117°14′4.40″W

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