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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
刊名	REVIEW OF SCIENTIFIC INSTRUMENTS
	2018-10-01
卷号	89期号:10页码:5
ISSN号	0034-6748
DOI	10.1063/1.5035429
通讯作者	Houshmandyar, S.(houshmandyar@austin.utexas.edu)
英文摘要	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.
资助项目	U.S. Department of Energy OFES[DE-FG02-97ER54415] ; U.S. Department of Energy OFES[DE-SC0010500]
WOS研究方向	Instruments & Instrumentation ; Physics
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000449144500151
资助机构	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 ; 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 ; 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 ; 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 ; 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 ; 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 ; 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 ; 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
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/34552]
专题	合肥物质科学研究院_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
推荐引用方式 GB/T 7714	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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