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Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 63 / Number 1T / Pages 193-196

Feasibility of an In-Vacuo Implementation of Glow-Discharge Optical Spectroscopy and Status of Its Development for the PSI-2 Facility

C. C. Klepper, J. P. Caughman, E. H. Martin, A. Kreter, B. Schweer, B. Unterberg

Fusion Science and Technology / Volume 63 / Number 1T / Pages 193-196

May 2013

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This paper discusses an ongoing effort to evaluate the use of Glow Discharge Optical Emission Spectroscopy (GDOES) for after-exposure, target surface characterization in a plasma-materials interactions (PMI) facility, without need to remove the sample from the facility's vacuum chamber and/or to expose the sample's surface to air. The effort includes testing of a compact, inductively-coupled plasma (ICP) source, which would eventually become part of an integrated, movable GDOES sub-chamber, including plasma source, gas-feed and pumping capability, configured to function inside the main vacuum chamber. The present, conceptual design for implementation on PSI-2 shows promise in meeting these challenges and is presented here.

 
 
 
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