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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Latest News
ANS joins others in seeking to discuss SNF/HLW impasse
The American Nuclear Society joined seven other organizations to send a letter to Energy Secretary Christopher Wright on July 8, asking to meet with him to discuss “the restoration of a highly functioning program to meet DOE’s legal responsibility to manage and dispose of the nation’s commercial and legacy defense spent nuclear fuel (SNF) and high-level radioactive waste (HLW).”
Mark D. Hoover, Michael D. Allen, Richard B. Simpson, Hsu Chi Yeh
Fusion Science and Technology | Volume 10 | Number 3 | November 1986 | Pages 1228-1233
Environment and Safety | doi.org/10.13182/FST86-A24898
Articles are hosted by Taylor and Francis Online.
A pulsed Nd:YAG laser is being used to aerosolize material from the surface of metal targets to simulate particles created in fusion energy systems. Targets in the form of rods up to 2-cm diameter can be attached to a screw mechanism that exposes a fresh surface for each laser pulse. Energies up to 20 J/pulse can be applied to the target, at pulse rates from a single shot to 300 Hz. Energy can be focused on an area with diameter less than 500 µm. Stainless steel and aluminum targets were used in a demonstration of system performance. The branched-chain ultrafine aggregate aerosols that were produced appeared to result from direct vaporization/condensation of material from the surface of the target located under the center of the laser beam, and from ejection of molten droplets from the target surface.