Simulated plasma facing component measurements for an in situ surface diagnostic on Alcator C-Mod

Author(s)
Hartwig, Zachary Seth; Whyte, Dennis G.
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Abstract
The ideal in situ plasma facing component (PFC) diagnostic for magnetic fusion devices would perform surface element and isotope composition measurements on a shot-to-shot ( ∼ 10 min) time scale with ∼ 1 μm depth and ∼ 1 cm spatial resolution over large areas of PFCs. To this end, the experimental adaptation of the customary laboratory surface diagnostic—nuclear scattering of MeV ions—to the Alcator C-Mod tokamak is being guided by ACRONYM, a Geant4 synthetic diagnostic. The diagnostic technique and ACRONYM are described, and synthetic measurements of film thickness for boron-coated PFCs are presented.
Date issued
2010-10
URI
http://hdl.handle.net/1721.1/65878
Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering; Massachusetts Institute of Technology. Plasma Science and Fusion Center
Journal
Review of Scientific Instruments
Publisher
American Institute of Physics
Citation
Hartwig, Z. S., and D. G. Whyte. “Simulated plasma facing component measurements for an in situ surface diagnostic on Alcator C-Mod.” Review of Scientific Instruments 81 (2010): 10E106.© 2011 American Institute of Physics
Version: Final published version
ISSN
0034-6748
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