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核工业西南物理研究院 ›› 2024, Vol. 44 ›› Issue (2): 222-228.DOI: 10.16568/j.0254-6086.202402014

• 等离子体物理 • 上一篇    下一篇

EAST等离子体边界可见光成像系统研究

陈  明1, 2,沈  飊*1,Shinichiro Kado3,陈大龙1,张  恒1, 4郭笔豪1, 2,黄  耀1,蔡福瑞3,肖炳甲1   

  1. (1. 中国科学院合肥物质科学研究院,合肥 230031; 2. 中国科学技术大学,合肥 230026; 3. 京都大学,日本京都市左京区 227-8568; 4.重庆邮电大学,重庆 400065)
  • 收稿日期:2021-10-29 修回日期:2024-04-23 出版日期:2024-06-15 发布日期:2024-06-12
  • 通讯作者: 沈飊(1970-),男,浙江绍兴人,博士,研究员,主要从事托卡马克核聚变装置中电磁测量诊断以及等离子体控制的研究。
  • 作者简介:陈明(1997-),男,安徽合肥人,博士研究生,从事基于可见光的等离子体边界位形重建工作。
  • 基金资助:
    中国国家自然科学基金(11775262);国家重点研发计划(2018YEF0302103)

Research on visible imaging system of plasma boundary on EAST

CHEN Ming1, 2, SHEN Biao1, Shinichiro Kado3, CHEN Da-long 1, ZHANG Heng 1,4GUO Bi-hao1, 2, HUANG Yao 1, CAI Fu-rui3, XIAO Bing-jia 1   

  1. (1. Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031; 2. University of Science and Technology of China, Hefei 230026; 3. Kyoto University, Kashiwa, Chiba 227-8568, Japan; 4. Chongqing University of Posts and Telecommunications, Chongqing 400065)
  • Received:2021-10-29 Revised:2024-04-23 Online:2024-06-15 Published:2024-06-12

摘要: 设计了一套针对Ha波段的高精度折叠式光学系统用来观察放电过程中等离子体边界特征,该系统在全视场中实现了4mm的分辨率。基于图像局部特征和相机模型,发展了光学等离子体边界重建算法,在EAST上针对高场侧中平面处的等离子体控制点进行了算法验证,光学重建的控制点随时间的演化与磁平衡重建的结果吻合良好。

关键词: EAST装置, 等离子体边界, 光学成像

Abstract: In this paper, a set of high-precision folding optical system for Ha band is designed to observe the plasma boundary features, which achieves a resolution of 4 mm in the full field of view. Based on the local features of the image and the camera model, an optical plasma boundary reconstruction algorithm was developed and validated on EAST for plasma control points at the midplane of the high field side. The evolution of control points for optical reconstructions over time is in good agreement with the results of magnetic equilibrium reconstructions.

Key words: EAST, Plasma boundary, Optical imaging

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