New Jersey Start-up Publishes Fusion Energy Breakthrough in Leading Physics Journal

Lawrenceville Plasma Physics has published peer reviewed results in Physics of Plasmas showing that the firm has achieved two of three criteria for net fusion energy, meaning garage-sized fusion generators could be possible in as few as five years.
March 23, 2012 - PRLog -- Fusion researchers at a small NJ research company report heating and confining an ionized gas at record temperatures equivalent to over 1.8 billion degrees C, as described in a paper published today in Physics of Plasmas, the most highly cited journal devoted to plasma physics.  The temperatures observed are high enough to ignite the nuclear fusion of “aneutronic” fuels like hydrogen and boron.  Such aneutronic fuels, which produce no neutrons, could generate energy that can be converted directly into electricity, without going through the expensive cycle of generating steam and putting it through turbines.  This would make LPP's "Focus Fusion" technology potentially cheaper, cleaner and safer than any energy source now available.

“The research reported in this paper shows that we have achieved two of the three conditions needed to scientifically demonstrate net energy production with aneutronic fuels,” explains Eric Lerner, Chief Scientist at Lawrenceville Plasma Physics, Inc.  “We have demonstrated the extremely high ion energies needed to ignite this fuel, and the confinement time of tens of nanoseconds that we need to burn it.  We are still far from having sufficient density in the tiny hot regions to get net energy, but that is our next goal.”  A year ago, LPP had reported energies for ions of 1.1 billion degrees, equal to record temperatures for the dense plasma focus device that had stood since 1978.  The new work shatters those long-standing records and, most importantly, achieves the temperature needed to burn aneutronic fuels.

The paper, titled "Fusion reactions from >150 keV ions in a dense plasma focus (DPF) plasmoid," also lays to rest a long-standing scientific controversy with major implications for whether the DPF is a viable source of useful fusion energy.  Lerner's team shows conclusively that the majority of fusion reactions in LPP’s DPF come from confined, circulating ions, and not from a beam of ions just passing through once.  If fusion reactions in a DPF come primarily from an unconfined beam, then the fusion yields are unlikely to scale to useful quantities of energy.  On the other hand, if, as this research has shown, the fusion reactions take place primarily between ions confined within a concentrated ball of plasma (a "plasmoid"), then the energy from the reactions will be trapped and will heat the plasmoid up further, leading to a complete burn and net energy production. (The paper is available at the Physics of Plasmas link below, or from LPP by request.)

The LPP research team is currently upgrading their fusion device to achieve the higher densities required for net energy, a goal they hope to achieve soon.

Further info:
Paper at Physics of Plasmas:
Lawrenceville Plasma Physics:
The Focus Fusion Society:

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Our lead project is the development of a dense plasma focus fusion reactor, using hydrogen and boron fuel. If we succeed, "Focus Fusion" will be an extremely economical, compact, environmentally safe and essentially inexhaustible source of energy.
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