Simulated plasma facing component measurements for an in situ surface diagnostic on Alcator C-Mod
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 a...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
| Published: |
American Institute of Physics
2011
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| Online Access: | http://hdl.handle.net/1721.1/65878 https://orcid.org/0000-0003-4248-7876 https://orcid.org/0000-0002-9001-5606 |
| Summary: | 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. |
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