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Advancements in electron cyclotron emission imaging demonstrated by the TEXTOR ECEI diagnostic upgrade SCIE SCOPUS

Title
Advancements in electron cyclotron emission imaging demonstrated by the TEXTOR ECEI diagnostic upgrade
Authors
Tobias, BKong, XLiang, TSpear, ADomier, CWLuhmann, NCClassen, IGJBoom, JEvan de Pol, MJJaspers, RDonne, AJHPark, HKMunsat, T
Date Issued
2009-09
Publisher
AMER INST PHYSICS
Abstract
A new TEXTOR electron cyclotron emission imaging system has been developed and employed, providing a diagnostic with new features and enhanced capabilities when compared to the legacy system it replaces. Optical coupling to the plasma has been completely redesigned, making use of new minilens arrays for reduced optical aberration and providing the new feature of vertical zoom, whereby the vertical coverage is now remotely adjustable on a shot-by-shot basis from 20-35 cm. Other innovations, such as the implementation of stacked quasioptical planar notch filters, allow for the diagnostic to be operated without interruption or degradation in performance during electron cyclotron resonance heating. Successful commissioning of the new diagnostic and a demonstration of the improved capabilities are presented in this paper, along with a discussion of the new technologies employed. (C) 2009 American Institute of Physics. [doi:10.1063/1.3233913]
URI
https://oasis.postech.ac.kr/handle/2014.oak/12807
DOI
10.1063/1.3233913
ISSN
0034-6748
Article Type
Article
Citation
REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 80, no. 9, page. 93502, 2009-09
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