Preliminary results from the Alcator C-Mod polarimeter

被引：7
|
作者：
Xu, P. [1 ]
Irby, J. H. [1 ]
Bergerson, W. F. [2 ]
Bosco, J. [1 ]
Brower, D. L. [2 ]
Ding, W. X. [2 ]
Kanojia, A. [1 ]
Leccacorvi, R. [1 ]
Mansfield, D. K. [3 ]
Marmar, E. S. [1 ]
Michael, P. [1 ]
Murray, R. [1 ]
Rokhman, Y. [1 ]
Vieira, R. [1 ]
机构：
[1] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA
[2] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[3] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 10期
关键词：
DENSITY MEASUREMENTS; ELECTRON-DENSITY; INTERFEROMETER; TOKAMAK;
D O I：
10.1063/1.3466803
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A poloidally viewing far infrared polarimeter diagnostic is being developed for the Alcator C-Mod tokamak, and will be used to determine the q-profile and to study density and magnetic field fluctuations. A three-chord version of what will eventually be up to a ten-chord system has been designed and fabricated and will be installed on C-Mod before the end of the current run period. Bench tests of a single chord mock-up of this system show acceptable noise levels for the planned measurements. We will discuss the analysis and experimental techniques used to diagnose and reduce noise sources. (C) 2010 American Institute of Physics. [doi:10.1063/1.3466803]
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页数：4
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