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Variable location channels to improve efficiency and precision for direct del T-e measurements and high spatial resolution T-e-profile measurements using electron cyclotron emission
Houshmandyar, S.1; Austin, M. E.1; Brookman, M. W.1,2; Liu, Y.3; Rowan, W. L.1; Zhao, H.1,3
2018-10-01
发表期刊REVIEW OF SCIENTIFIC INSTRUMENTS
ISSN0034-6748
卷号89期号:10页码:5
通讯作者Houshmandyar, S.(houshmandyar@austin.utexas.edu)
摘要Electron cyclotron emission (ECE) diagnostics that use variable location channels based on yttrium iron garnet (YIG) bandpass filters improve the precision and the efficiency of measurements of electron temperature (Te) profiles and fluctuations (ffi Te). These variable frequency filters were substituted for fixed frequency filters in the intermediate frequency section to achieve the required higher resolution over a target radial range, just before the experiment. Here, we present the proof-of-principle for high temporal resolution measurement of the electron temperature gradient, via real-time slewing of a YIG filter for relocation of anECEchannel during a long pulse. The key component is the application of YIG tunable filters with their narrow bandwidth and capability for a high slew rate of their center frequency. This application permits fast relocation of the ECE channels for direct measurement of the gradient and close spacing of channels to investigate the magnetic island's dynamic behavior. Published by AIP Publishing.
资助者U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES
DOI10.1063/1.5035429
收录类别SCI
语种英语
资助项目U.S. Department of Energy OFES[DE-FG02-97ER54415] ; U.S. Department of Energy OFES[DE-SC0010500]
资助者U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES ; U.S. Department of Energy OFES
WOS研究方向Instruments & Instrumentation ; Physics
WOS类目Instruments & Instrumentation ; Physics, Applied
WOS记录号WOS:000449144500151
出版者AMER INST PHYSICS
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/34553
专题中科院等离子体物理研究所
通讯作者Houshmandyar, S.
作者单位1.Univ Texas Austin, Inst Fus Studies, Austin, TX 78712 USA
2.Gen Atom Co, POB 85608, San Diego, CA 92186 USA
3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
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Houshmandyar, S.,Austin, M. E.,Brookman, M. W.,et al. Variable location channels to improve efficiency and precision for direct del T-e measurements and high spatial resolution T-e-profile measurements using electron cyclotron emission[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2018,89(10):5.
APA Houshmandyar, S.,Austin, M. E.,Brookman, M. W.,Liu, Y.,Rowan, W. L.,&Zhao, H..(2018).Variable location channels to improve efficiency and precision for direct del T-e measurements and high spatial resolution T-e-profile measurements using electron cyclotron emission.REVIEW OF SCIENTIFIC INSTRUMENTS,89(10),5.
MLA Houshmandyar, S.,et al."Variable location channels to improve efficiency and precision for direct del T-e measurements and high spatial resolution T-e-profile measurements using electron cyclotron emission".REVIEW OF SCIENTIFIC INSTRUMENTS 89.10(2018):5.
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