Design and fabrication of a multi-purpose soft x-ray array diagnostic system for KSTAR

A multi-purpose soft x-ray array diagnostic system was developed for measuring two-dimensional x-ray emissivity profile, electron temperature, Ar impurity transport, and total radiation power. A remotely controlled filter wheel was designed with three different choices of filters. The electron tempe...

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Veröffentlicht in:	Review of scientific instruments 2012-10, Vol.83 (10), p.10E512-10E512
Hauptverfasser:	Lee, Seung Hun, Chai, Kil Byoung, Jang, Siwon, Ko, Won-Ha, Kim, Junghee, Seo, Dongcheol, Lee, Jongha, Bogatu, I N, Kim, Jin-Soo, Choe, Wonho
Format:	Artikel
Sprache:	eng
Schlagworte:	Arrays BOLOMETERS CALCIUM FLUORIDES Channels CONFINEMENT DESIGN Diagnostic systems ELECTRON TEMPERATURE EMISSIVITY FABRICATION Impurities INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ION TEMPERATURE Measuring instruments PLASMA PLASMA DIAGNOSTICS PLASMA IMPURITIES SODIUM CHLORIDES SOFT X RADIATION Soft x-rays TEMPERATURE MEASUREMENT THICKNESS THIN FILMS TOKAMAK DEVICES Transport
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Beschreibung
Zusammenfassung:	A multi-purpose soft x-ray array diagnostic system was developed for measuring two-dimensional x-ray emissivity profile, electron temperature, Ar impurity transport, and total radiation power. A remotely controlled filter wheel was designed with three different choices of filters. The electron temperature profile can be determined from the ratio of two channels having different thickness of Be layer, and the Ar impurity concentration transport can be determined from a pair of Ar Ross filters (CaF(2) and NaCl thin films). Without any filters, this diagnostic system can also be used as a bolometer.
ISSN:	0034-6748 1089-7623
DOI:	10.1063/1.4734035