Estimation of reliable range of electron temperature measurements with sets of given optical bandpass filters for KSTAR Thomson scattering system based on synthetic Thomson data

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One factor determining the reliability of measurements of electron temperature using a Thomson scattering (TS) system is transmittance of the optical bandpass filters in polychromators. We investigate the system performance as a function of electron temperature to determine reliable range of measurements for a given set of the optical bandpass filters. We show that such a reliability, i.e., both bias and random errors, can be obtained by building a forward model of the KSTAR TS system to generate synthetic TS data with the prescribed electron temperature and density profiles. The prescribed profiles are compared with the estimated ones to quantify both bias and random errors.
Publisher
IOP PUBLISHING LTD
Issue Date
2017-11
Language
English
Article Type
Article; Proceedings Paper
Citation

JOURNAL OF INSTRUMENTATION, v.12

ISSN
1748-0221
DOI
10.1088/1748-0221/12/11/C11020
URI
http://hdl.handle.net/10203/228518
Appears in Collection
NE-Journal Papers(저널논문)
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