Researchers at Rensselaer Polytechnic Institute have developed a tabletop accelerator that produces nuclear fusion at room temperature, providing confirmation of an earlier experiment conducted at the University of California, Los Angeles (UCLA), while offering substantial improvements over the original design.
An internal view of the vacuum chamber containing the fusion device, showing two pyroelectric crystals that generate a powerful electric field when heated or cooled. Credit: Rensselaer/Danon
The device, which uses two opposing crystals to generate a powerful electric field, could potentially lead to a portable, battery-operated neutron generator for a variety of applications, from non-destructive testing to detecting explosives and scanning luggage at airports. The new results are described in the Feb. 10 issue of Physical Review Letters.
"Our study shows that crystal fusion is a mature technology with considerable commercial potential," says Yaron Danon, associate professor of mechanical, aerospace, and nuclear engineering at Rensselaer. "This new device is simpler and less expensive than the previous version, and it has the potential to produce even more neutrons."
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