Scintillator based energetic ion loss diagnostic for the National Spherical Torus Experiment

被引：54
|
作者：
Darrow, D. S. [1 ]
机构：
[1] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2008年 / 79卷 / 02期
关键词：
D O I：
10.1063/1.2827514
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A scintillator based energetic ion loss detector has been built and installed on the National Spherical Torus Experiment (NSTX) [Synakowski et al., Nucl. Fusion 43, 1653 (2000)] to measure the loss of neutral beam ions. The detector is able to resolve the pitch angle and gyroradius of the lost energetic ions. It has a wide acceptance range in pitch angle and energy, and is able to resolve the full, one-half, and one-third energy components of the 80 keV D neutral beams up to the maximum toroidal magnetic field of NSTX. Multiple Faraday cups have been embedded behind the scintillator to allow easy absolute calibration of the diagnostic and to measure the energetic ion loss in several ranges of pitch angle with good time resolution. Several small, vacuum compatible lamps allow simple calibration of the scintillator position within the field of view of the diagnostic's video camera. (C) 2008 American Institute of Physics.
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页数：5
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