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Xiang HM, Zhang T, Wen F, Qu H, Wu MF, Geng KN, Li GS, Wang YM, Han X, Liu ZX, Zhong FB, Ye KX, Zhang SB, Gao X. Development of an ordinary mode multi-channel correlation reflectometer on EAST tokamak. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2018; 89:10H103. [PMID: 30399842 DOI: 10.1063/1.5035445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 05/27/2018] [Indexed: 06/08/2023]
Abstract
An ordinary-mode polarized multi-channel correlation reflectometer has been developed on the Experimental Advanced Superconducting Tokamak (EAST). The system with four different probing frequencies (i.e., 20.4 GHz, 24.8 GHz, 33 GHz, and 40 GHz) and two poloidally spaced receiving antennas can realize both the radial correlation measurement and the poloidal correlation measurement. These diagnostics focus on the measurement of density fluctuation in the pedestal region to investigate the turbulence transport and H-mode physics on EAST. In this article, the system hardware design, the key component tests, and the system performance are shown in detail.
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Affiliation(s)
- H M Xiang
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - T Zhang
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - F Wen
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - H Qu
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - M F Wu
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - K N Geng
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - G S Li
- Advanced Energy Research Center, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Y M Wang
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - X Han
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - Zi X Liu
- University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - F B Zhong
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - K X Ye
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - S B Zhang
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
| | - X Gao
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui 230031, People's Republic of China
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Zhou T, Liu Y, Ti A, Figini L, Zhao H, Zhu Z, Ling B. Synthetic Diagnostic for Interpreting the ECE Spectrum on EAST. FUSION SCIENCE AND TECHNOLOGY 2018. [DOI: 10.1080/15361055.2017.1396165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Tianfu Zhou
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
| | - Yong Liu
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
| | - Ang Ti
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
| | | | - Hailin Zhao
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
| | - Zeying Zhu
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
| | - Bili Ling
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
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3
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Coelho R, Äkäslompolo S, Dinklage A, Kus A, Reimer R, Sundén E, Conroy S, Blanco E, Conway G, Hacquin S, Heuraux S, Lechte C, Silva FD, Sirinelli A, ITM-TF C. Synthetic Diagnostics in the European Union Integrated Tokamak Modelling Simulation Platform. FUSION SCIENCE AND TECHNOLOGY 2017. [DOI: 10.13182/fst12-473] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- R. Coelho
- Associação EURATOM0IST, Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico Universidade Técnica de Lisboa, P-1049-001 Lisboa, Portugal
| | - S. Äkäslompolo
- Aalto University, Euratom-Tekes Association, P.O. Box 14100, FI-00076 AALTO, Finland
| | - A. Dinklage
- Max-Planck-Institut für Plasma physik, EURATOM-Association, Wendelsteinstr. 1, Greifswald, Germany
| | - A. Kus
- Max-Planck-Institut für Plasma physik, EURATOM-Association, Wendelsteinstr. 1, Greifswald, Germany
| | - R. Reimer
- Max-Planck-Institut für Plasma physik, EURATOM-Association, Wendelsteinstr. 1, Greifswald, Germany
| | - E. Sundén
- Uppsala University, VR-Euratom Association, Box 516, 751 20 Uppsala, Sweden
| | - S. Conroy
- Uppsala University, VR-Euratom Association, Box 516, 751 20 Uppsala, Sweden
| | - E. Blanco
- Asociación EURATOM-CIEMAT para Fusión, CIEMAT, Madrid, Spain Association
| | - G. Conway
- Max-Planck-Institut für Plasma physik, EURATOM-IPP Association, Garching, Germany
| | - S. Hacquin
- CEA, IRFM, F-13108 Saint-Paul-lez-Durance, France
| | - S. Heuraux
- Université de Lorraine, IJL, UMR 7198, BP 70239, Vandoeuvre, F-54506 Cedex, France
| | - C. Lechte
- Institute for Plasma Research, University of Stuttgart, 70569 Stuttgart, Germany
| | - F. Da Silva
- Associação EURATOM0IST, Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico Universidade Técnica de Lisboa, P-1049-001 Lisboa, Portugal
| | - A. Sirinelli
- CEA, IRFM, F-13108 Saint-Paul-lez-Durance, France
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Ren X, Domier CW, Kramer G, Luhmann NC, Muscatello CM, Shi L, Tobias BJ, Valeo E. Process to generate a synthetic diagnostic for microwave imaging reflectometry with the full-wave code FWR2D. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:11D863. [PMID: 25430276 DOI: 10.1063/1.4895100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A synthetic microwave imaging reflectometer (MIR) diagnostic employing the full-wave reflectometer code (FWR2D) has been developed and is currently being used to guide the design of real systems, such as the one recently installed on DIII-D. The FWR2D code utilizes real plasma profiles as input, and it is combined with optical simulation tools for synthetic diagnostic signal generation. A detailed discussion of FWR2D and the process to generate the synthetic signal are presented in this paper. The synthetic signal is also compared to a prescribed density fluctuation spectrum to quantify the imaging quality. An example is presented with H-mode-like plasma profiles derived from a DIII-D discharge, where the MIR focal is located in the pedestal region. It is shown that MIR is suitable for diagnosing fluctuations with poloidal wavenumber up to 2.0 cm(-1) and fluctuation amplitudes less than 5%.
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Affiliation(s)
- X Ren
- Millimeter and Microwave Research Center, University of California at Davis, Davis, California 95616, USA
| | - C W Domier
- Millimeter and Microwave Research Center, University of California at Davis, Davis, California 95616, USA
| | - G Kramer
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
| | - N C Luhmann
- Millimeter and Microwave Research Center, University of California at Davis, Davis, California 95616, USA
| | - C M Muscatello
- Millimeter and Microwave Research Center, University of California at Davis, Davis, California 95616, USA
| | - L Shi
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
| | - B J Tobias
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
| | - E Valeo
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
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Zhongbing S, Min J, Yonglong C, Bin W, Yong Y, Lin M, Wulu Z, Wei C, Peiwan S, Zhetian L, Binzhong F, Xuantong D, Yi L, Qingwei Y, Xuru D. Development of microwave imaging reflectometry on the HL-2A tokamak. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:11D816. [PMID: 25430229 DOI: 10.1063/1.4889741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A microwave imaging reflectometry system has been developed to visualize the density fluctuations on the HL-2A tokamak. This system is characterized by a quasi-optical system, a four frequency microwave transmitter, and a microwave quadrature receiver system with a 3D adjustable U-shaped horn antenna array, that generate 8 (poloidal) × 4 (radial) × 2 (toroidal) = 64 channel images of density fluctuations. Simulations and laboratory tests of the optical system have been conducted. The test results are in good agreement with the simulations.
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Affiliation(s)
- Shi Zhongbing
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Jiang Min
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Che Yonglong
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Wang Bin
- School of Physical Electronics, University of Electronics Science and Technology of China, Chengdu 610054, China
| | - Yin Yong
- School of Physical Electronics, University of Electronics Science and Technology of China, Chengdu 610054, China
| | - Meng Lin
- School of Physical Electronics, University of Electronics Science and Technology of China, Chengdu 610054, China
| | - Zhong Wulu
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Chen Wei
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Shi Peiwan
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Liu Zhetian
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Fu Binzhong
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Ding Xuantong
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Liu Yi
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Yang Qingwei
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Duan Xuru
- Southwestern Institute of Physics, Chengdu 610041, China
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