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Innovations in optical coupling of the KSTAR electron cyclotron emission imaging diagnostic

Title
Innovations in optical coupling of the KSTAR electron cyclotron emission imaging diagnostic
Authors
Liang, TTobias, BKong, XDomier, CWLuhmann, NCLee, WYun, GSPark, HK박현거
Date Issued
Oct-2010
Publisher
AMER INST PHYSICS
Abstract
The installation of a new electron cyclotron emission imaging diagnostic for the Korea Superconducting Tokamak Advanced Research (KSTAR) is underway, making use of a unique optical port cassette design, which allows placement of refractive elements inside the cryostat region without adverse effects. The result is unprecedented window access for the implementation of a state of the art imaging diagnostic. A dual-array optical design has been developed, capable of simultaneously imaging the high and low field sides of the plasma with independent features of focal plane translation, vertical zoom, and radial channel spacing. The number of translating optics has been minimized by making use of a zoom lens triplet and parabolic plasma facing lens for maximum channel uniformity over a continuous vertical zoom range of 3:1. The simulated performance of this design is presented along with preliminary laboratory characterization data. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3478637]
Keywords
TEXT-U
URI
http://oasis.postech.ac.kr/handle/2014.oak/25264
DOI
10.1063/1.3478637
ISSN
0034-6748
Article Type
PROCEEDINGS PAPER
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