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Fusion energy

162 articles

National Compact Stellarator Experiment

The National Compact Stellarator Experiment (NCSX) was an uncompleted stellarator fusion experiment designed by Princeton Plasma Physics Laboratory and Oak Ridge National Laboratory, canceled by the Department of Energy in 2008.

National Spherical Torus Experiment

NSTX (National Spherical Torus Experiment) is a magnetic confinement fusion device at the Princeton Plasma Physics Laboratory that tests the spherical tokamak, a compact, apple-shaped alternative to conventional tokamaks.

National Spherical Torus Experiment-Upgrade

The National Spherical Torus Experiment-Upgrade is a spherical tokamak fusion facility at the Princeton Plasma Physics Laboratory, the largest of its kind in the United States.

Nike laser

The Nike laser is a krypton fluoride excimer laser at the U.S. Naval Research Laboratory in Washington, D.C., opened in 1995 to study direct-drive inertial confinement fusion.

Nova (laser)

Nova was a ten-beam laser at Lawrence Livermore National Laboratory used for inertial confinement fusion and weapons physics, the world's highest-energy laser from 1984 until 1999.

OMEGA laser

The OMEGA laser is a 60-beam inertial confinement fusion research laser at the University of Rochester's Laboratory for Laser Energetics, first fired in 1995, that implodes fusion fuel capsules by direct drive.

OMEGA laser facility

The OMEGA laser facility is an inertial confinement fusion research complex at the University of Rochester in Rochester, New York, built around the OMEGA-60 and OMEGA EP laser systems.

Pacific Fusion

Pacific Fusion is an American fusion energy startup founded in 2023 and based in Fremont, California, that is developing pulser-driven inertial fusion and targeting net energy gain by 2030.

PALS laser facility

PALS (Prague Asterix Laser System) is a high-power laser research facility in Prague, Czech Republic, whose core instrument is the kJ-class iodine laser Asterix IV, operational since 2000.

PBFA-II

PBFA-II (Particle Beam Fusion Accelerator II) was a 36-module pulsed-power accelerator at Sandia National Laboratories in Albuquerque, activated in 1985 to drive inertial confinement fusion targets with light ion beams.

PDX (tokamak)

PDX (Poloidal Divertor Experiment) was a tokamak at the Princeton Plasma Physics Laboratory that tested poloidal divertors for impurity control, operated from 1978 to 1983, and was converted into PBX.

PF-1000

PF-1000 is a large Mather-type dense plasma focus device at the Institute of Plasma Physics and Laser Microfusion in Warsaw, Poland, described as the world's largest plasma-focus device.

Phaedrus (tokamak)

Phaedrus-T is a moderate-sized research tokamak at the University of Wisconsin–Madison, operational around 1991, best known for the first experimental evidence of low-frequency current drive in a tokamak.

Plasma focus

A plasma focus, or dense plasma focus (DPF), is a pulsed-power device in which a high-current discharge collapses plasma onto the axis, emitting X-rays, ions, and neutrons.

Princeton Large Torus

The Princeton Large Torus, or PLT, was a tokamak fusion experiment at Princeton Plasma Physics Laboratory that operated from 1975 to 1986 and set a 1978 world record for ion temperature.

Princeton Plasma Physics Laboratory

The Princeton Plasma Physics Laboratory, also known as Project Matterhorn, is a US Department of Energy fusion research lab in Princeton, New Jersey, managed by Princeton University.

Proxima Fusion

Proxima Fusion is a Munich-based fusion startup founded in 2023 as the first spin-out of the Max Planck Institute for Plasma Physics, developing stellarator power plants.

Quasi-isodynamic stellarator

A quasi-isodynamic stellarator is a type of optimized stellarator, a magnetic-confinement fusion device that minimizes heat losses and produces zero bootstrap current, tested by Wendelstein 7-X and favored in recent reactor concepts like Stellaris.

Quasi-symmetric stellarator

A quasi-symmetric stellarator is a stellarator whose magnetic field strength is approximately symmetric in one direction, reducing particle losses to tokamak-like levels; the HSX experiment first tested it.

QUEST (tokamak)

QUEST is a medium-sized spherical tokamak at Kyushu University in Kasuga, Fukuoka, Japan, operating since 2008 and known for fully non-inductive discharges lasting up to nearly two hours.

Real-time control of tearing modes

Real-time control of tearing modes is the set of tokamak techniques that detect and suppress tearing modes, magnetic instabilities, chiefly with steerable electron cyclotron current drive.

Realta Fusion

Realta Fusion is an American fusion startup spun out of the University of Wisconsin–Madison that develops compact magnetic mirror devices, aiming first at industrial process heat.

REBCO high-temperature superconducting magnet

A REBCO high-temperature superconducting magnet is an electromagnet wound from rare-earth barium copper oxide tape, which superconducts near 92 K and can operate above 20 tesla.

RFX

RFX (Reversed Field eXperiment) is the largest reversed-field pinch magnetic confinement fusion experiment, built in Padua, Italy, producing first plasma in 1991 and now operating as RFX-mod2 for both RFP and tokamak research.

RTP (tokamak)

RTP (Rijnhuizen Tokamak Project) was a medium-sized tokamak at the FOM Institute in Nieuwegein, the Netherlands, studying electron heat transport until its closure in September 1998.

Shattered pellet injection

Shattered pellet injection (SPI) is a tokamak disruption mitigation technique that shatters a cryogenic pellet into fragments to radiate away stored energy, and is the baseline for ITER.

Sheared-flow Z-pinch

The sheared-flow Z-pinch, also called a sheared-flow-stabilized or SFS Z-pinch, is a fusion confinement concept where pulsed current compresses plasma and sheared flow suppresses kink instabilities.

Shenguang laser facility

The Shenguang (神光, Divine Light) laser facilities are a series of Chinese high-power laser drivers for inertial confinement fusion, operated by institutes of the Chinese Academy of Sciences in Shanghai and CAEP in Mianyang.

Shiva laser

The Shiva laser was a 20-beam neodymium glass laser at Lawrence Livermore National Laboratory for inertial confinement fusion research, becoming the world's most powerful laser in 1977.

Snowflake divertor

The snowflake divertor is an advanced tokamak divertor configuration in which two nearby magnetic nulls form a snowflake-shaped separatrix, spreading heat exhaust over four strike points.