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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).”
J. A. Tagle&, A. Pospieszczyk
Fusion Science and Technology | Volume 6 | Number 2 | September 1984 | Pages 405-410
Technical Paper | Selected papers from the Ninth International Vacuum Congress and the Fifth International Conference on Solid Surfaces (Madrid, Spain, September 26-October 1, 1983) | doi.org/10.13182/FST84-A23213
Articles are hosted by Taylor and Francis Online.
Inconel 600,Inconel 625 and austenitic steel (AISI 304LN) surfaces were cleaned in UHV by laser pulses of 1J total energy. Residual surface contamination layers were dissociated and desorbed. The surface cleanness degree reached was equivalent to that obtained by conventional cleaning techniques like bulk heating and sputtering by ion bombardment. A comparison between these three techniques is presented. The laser cleaning efficiency was found to be strongly dependent on the initial surface contamination degree and on the residual gas composition. In particular the effect of laser shots on the activation of the surface oxidation process at ambient pressures of about 10−9 mbar of CO was studied. The possibilities of using the laser heating technique as a tool in plasma edge diagnostic (in situ cleaning of probes,analysis of trapped particles, redeposition measurements,…) in fusion devices is discussed.