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Microwave imaging reflectometry studies for turbulence diagnostics on KSTAR

Title
Microwave imaging reflectometry studies for turbulence diagnostics on KSTAR
Authors
Park, HKHong, IKim, MYun, GSLee, WKim, JTobias, BDomier, CWLuhmann, NCKim, KW박현거
Date Issued
Oct-2010
Publisher
AMER INST PHYSICS
Abstract
The first prototype microwave imaging reflectometry (MIR) system [H. Park et al., Rev. Sci. Instrum. 74, 4239 (2004)] clearly demonstrated the shortcomings of conventional reflectometry when the probe beam encountered a large amplitude and/or high fluctuation wavenumber at the reflection layer in laboratory tests, the distinctive advantages shown in these tests were not fully realized in the plasma operation. To understand the discrepancies, the MIR system performance has been thoroughly investigated at POSTECH. In this paper, a possible cause of the MIR performance degradation on TEXTOR will be presented together with a concept of multifrequency MIR system design that will be developed for KSTAR. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3499606]
Keywords
SYSTEM
URI
http://oasis.postech.ac.kr/handle/2014.oak/25259
DOI
10.1063/1.3499606
ISSN
0034-6748
Article Type
PROCEEDINGS PAPER
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