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National Labs Band Together to Build Prototype Magnet for Future and Existing Light Sources
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New material boosts magnets for free-electron lasers
Three US national laboratories have joined to create a half-meter-long prototype ‘undulator’ magnet using Niobium-3-tin.
Undulators are used in free-electron lasers – lasers that create electromagnetic beams for research.
Niobium-tin alloy is seen as an alternative to the incumbent niobium-titanium alloy.
Niobium-titanium superconductors are good for lower magnetic fields, but stop superconducting at around 10 teslas, according to Berkeley national laboratory scientist Soren Prestemon.
“Niobium-3-tin is more complicated material,” said Prestemon, “but it is capable of transporting current at a higher field. It is superconductive up to 23T, and at lower fields it can carry three times the current as niobium-titanium.”
DOE/Fermi National Accelerator Laboratory
With a powerful enough light, you can see things that people once thought would be impossible. Large-scale light source facilities generate that powerful light, and scientists use it to create more durable materials, build more efficient batteries and computers, and learn more about the natural world.
When it comes to building these massive facilities, space is money. If you can get higher-energy beams of light out of smaller devices, you can save millions on construction costs. Add to that the chance to significantly improve the capabilities of existing light sources, and you have the motivation behind a project that has brought scientists at three U.S. Department of Energy national laboratories together.
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IMAGE: This half-meter-long prototype of a niobium-tin superconducting undulator magnet was designed and built by a team from three U.S. Department of Energy national laboratories. The next step will be to. view more
Credit: Photo: Ibrahim Kesgin, Argonne National Laboratory
With a powerful enough light, you can see things that people once thought would be impossible. Large-scale light source facilities generate that powerful light, and scientists use it to create more durable materials, build more efficient batteries and computers, and learn more about the natural world.
When it comes to building these massive facilities, space is money. If you can get higher-energy beams of light out of smaller devices, you can save millions on construction costs. Add to that the chance to significantly improve the capabilities of existing light sources, and you have the motivation behind a project that has brought scientists at three U.S. Department of Energy national labor
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