Speaker
April Smith
(Los Alamos National Laboratory)
Description
The LANSCE Accelerator Modernization Project (LAMP) will replace the front-end of the existing LANSCE accelerator, from ion sources through the end of the 100-MeV drift-tube linac. The ion sources used for LAMP rely on low work function surfaces, both to produce H- and potentially for plasma production (e.g. the thermionic filament on the duoplasmatron). As a result, being able to non-invasively measure low work function surfaces is important for understanding ion source physics. This paper will describe efforts to measure low work function surfaces for ion source applications using the photelectric effect.
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Authors
April Smith
(Los Alamos National Laboratory)
Madison Howard
(Los Alamos National Laboratory)
Anna Alexander
(Los Alamos National Laboratory)