Spectrum method to measure compositions of diagnostic neutral beam

han ren-zhi; shi yue-jian; huang juan; hu chun-dong; wang guang-qi; fu jia; zhou qian; wu zhen-wei; chang jia-feng; sun dan-peng; gao wei; zhu wu

Volume 19 Issue 02

Feb. 2007

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han ren-zhi, shi yue-jian, huang juan, et al. Spectrum method to measure compositions of diagnostic neutral beam[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

han ren-zhi, shi yue-jian, huang juan, et al. Spectrum method to measure compositions of diagnostic neutral beam[J]. High Power Laser and Particle Beams, 2007, 19.

han ren-zhi, shi yue-jian, huang juan, et al. Spectrum method to measure compositions of diagnostic neutral beam[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

han ren-zhi, shi yue-jian, huang juan, et al. Spectrum method to measure compositions of diagnostic neutral beam[J]. High Power Laser and Particle Beams, 2007, 19.

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Spectrum method to measure compositions of diagnostic neutral beam

1.
Institute of Mechanism and Automobile Engineering,Hefei University of Technology,Hefei 230009,China;
2.
Institute of Plasma Physics,Chinese Academy of Sciences,P.O.Box 1126,Hefei 230031,China

Publish Date: 2007-02-15

Abstract

Abstract

An optical spectroscopy based on Doppler shift is applied to measuring energy and the percentages of the four energy component—the full energy, half energy, third energy and the eighteenth energy of diagnostic neutral beam(DNB) on HT-7 Tokamak. According to the Doppler effect, the multi-peak Ha spectra is obtained, which are emitted by the neutral beam and separated from the unshifted Ha. Both the measurement principle and the data processing algorithm are presented in this paper. The experimental results of DNB show the percentages of the four energy component are 15%, 42%, 35% and 8% respectively.
- spectroscopy method,
- diagnostic neutral beam,
- beam component,
- plasma,
- ht-7 tokamak

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