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Brookhaven Lab wins two R&D 100 awards

November 19, 2015

UPTON, NY -- Two technologies developed at the U.S. Department of Energy's Brookhaven National Laboratory have received 2015 R&D 100 awards, which honor the top 100 proven technological advances of the past year as determined by a panel selected by R&D Magazine.

The Brookhaven winners are the Active Superconducting Fault Current Limited for Electric Grid (aSFCL) and Binary Pseudo-Random Calibration Tool, a test surface for determining imaging and profiling instrument modulation transfer functions.

The awards were announced at the R&D 100 Awards & Technology Conference Nov. 12-13, 2015 in Las Vegas, NV.

"I congratulate the researchers honored with 2015 R&D 100 Awards," said Brookhaven Laboratory Director Doon Gibbs. "The cutting-edge research and development performed at Brookhaven and at other national labs is helping to meet our energy challenges, strengthen our national security, and improve our economic competitiveness."

Brookhaven Lab's aFCL, developed by Vyacheslav Solovyov and Qiang Li of Brookhaven's Condensed Matter Physics & Materials Science Department, is a novel superconducting fault current limiter (FCL) that can transmit a large amount of electrical energy during the 'on' state without any added conduction losses. FCLs are devices that protect grid equipment from fault currents. The device can rapidly interrupt the flow of energy when an emergency like a short circuit occurs. The devices can be connected in parallel units and programmed to operate at a specified current level.

Unlike traditional superconducting FCLs, the fault current trigger of the aFCL can be set to a pre-determined value. These features can be achieved by coupling superconducting elements with a flat radio frequency (RF) coil. When a fault is detected, a RF generator applies a pulse of high-frequency voltage to the RF coil. The coil creates an alternating current magnetic field, which produces large inductive currents in the superconductor. The device is designed to be a compact FCL that can be installed in space-constrained urban substations. It also can be used to stabilize distributed generators for deregulated power systems.

Nathalie Bouet of Brookhaven's National Synchrotron Light Source II -- a DOE Office of Science User Facility -- and Peter Takacs from Brookhaven's Instrumentation Division developed the Binary Pseudo-Random Calibration Tool together with researchers from Lawrence Berkeley and Argonne national laboratories and Abeam Technologies, Inc. This new technology solves one of the most difficult problems in surface profile and imaging metrology: the quantitative characterization of the measuring instruments. Metrology techniques are used for calibration in practically all branches of modern industry, including scanning and transmission electron microscopes, x-ray microscopes, and atomic force microscopes. This tool is dedicated to the calibration of imaging and profiling systems from the macroscale to the nanoscale, providing the highest resolution ever achieved -- 1.5 nanometers. It is used to characterize all advanced imaging systems, from interferometers to electron microscopes.
Since 1987, Brookhaven Lab has won more than 30 of the prestigious R&D 100 awards for technologies including innovative new materials, chemistry breakthroughs, biomedical products, consumer items, testing equipment, and high-energy physics.

Brookhaven National Laboratory is supported by the Office of Science of the U.S. Department of Energy. The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit

One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE's Office of Science by Brookhaven Science Associates, a limited-liability company founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit applied science and technology organization.

DOE/Brookhaven National Laboratory

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