Category Archives: Aneutronic and DPF

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Former US Fusion Chief Hirsch Advocates pB11 in Physics Today

Dr. Robert L Hirsch

Former director of the U.S. fusion energy program Robert L. Hirsch advocated moving research efforts to “a much cleaner fusion reaction”—hydrogen-boron (pB11)—in a letter to the editor published by Physics Today, the widely-read popular journal for the American Physical Society. In a major contribution to the debate on the direction of governmental fusion research programs,…

Two More DPF Groups Aim to Use pB11 in 2018

Two dense plasma focus teams in Poland plan to use hydrogen-boron fuels in their experiments in 2018. This will mean that, including the planned experiments with LPPF’s FF-1 device there will be three devices simultaneously experimenting, for the first time, with the combination of DPF and pB11 that LPPF has long called ”Focus Fusion”. The…

Microwave Power is Up, Testing Still Underway

Based on tests conducted in May, the LPPFusion research team decided that more microwave power was needed to clean the oxides off our tungsten electrodes. The oxides, which break up easily when heated, had been contributing impurities to the plasma and limiting fusion yield. We decided to mount two kW microwave magnetrons on a single…

Beryllium Cathode Arrives

The long-awaited beryllium cathode arrived at LPPFusion’s Middlesex lab on August 18. Since the beryllium anodes have been in hand for some months, this completes the delivery of the electrodes that are needed for the next crucial step in the Focus Fusion experimental program. This will be the first time beryllium electrodes are used in…

Beryllium Cathode Nears Completion

Hardric Labs in Massachusetts has reported to LPPFusion that its work on machining the new beryllium cathode (fig.4) is nearing completion and they expect to ship the finished piece in early March, only a few weeks behind their initial schedule. Since the beryllium anodes have already been received at the Middlesex NJ lab, we will…

New Experiment Starts: Optimizing Microwave Treatments to Reduce Oxide Impurities

Microwave Treatment Glowing Plasma

Focus Fusion-1, LPPFusion’s experimental fusion device, resumed firing January 30 to start our final set of experiments with tungsten electrodes. Our initial results showed that we still need more work to reduce the tungsten oxides that have fed impurities into our plasma. We are now optimizing the microwave treatments that can strip oxygen off the…

Calculations Explain Destruction of Filaments

LPP Fusion LOGO

It’s clear that the existence or non-existence of filaments—dense vortices of current and plasma—in the current sheet has a huge impact on the functioning of FF-1, because the filaments are the first stage of compressing the plasma. The disruption of the filaments is a key reason for lower-than-expected fusion yields in past experiments. Yet, while…

Observations Strengthen Theory

New observations over the past month have lent support to the hypotheses LPPFusion Chief Scientist Eric Lerner has put forward to explain the erosion of the tungsten electrodes in the last experiment. In turn, the strengthening of these hypotheses has concretized plans for the next experiment. First, at the ICDMP conference in Poland, Dr. Monika…

Assembly Begins for New Tungsten Experiments

LPP Fusion LOGO

LPPFusion’s research team started to re-assemble our experimental fusion device, FF-1 at the beginning of December to prepare for new experiments with pure tungsten and a shorter electrode. The first step is to coat part of the 10-cm long tungsten anode with indium, a soft metal. The indium will be squeezed against narrow circular ridges…

Collaboration Begins with Krakow Effort for Hydrogen-Boron Fusion

In the same trip to Poland in October, Lerner also visited the Institute of Nuclear Physics of the Polish Academy of Sciences in Krakow. There he discussed with Dr. Marek Scholz and other researchers the Institute’s plans to initiate their own research into hydrogen-boron fusion using a plasma focus device. This is only the second…