HL-2A先进二维硬X射线成像CCD系统设计  

Design of an advanced 2-dimensional X-ray imaging CCD system for the HL-2A tokamak

作　　者：杨进蔚[1] 张炜[1] 李旭[1] 宋先瑛[1] 

机构地区：[1]核工业西南物理研究院,成都610041

出　　处：《核聚变与等离子体物理》2004年第2期92-97,共6页Nuclear Fusion and Plasma Physics

摘　　要：为HL 2A装置设计了一种二维硬X射线成像CCD系统,用它能直接测量硬X射线辐射强度的二维时空分布I(x,y,t),并能得到电子速率分布fe(v,r,t)。为获得二级加热和无感电流驱动如ECH/ECCD,LHH/LHCD,ICRH/ICCD,NBIH/NBICD的效果、波可近性、共振层位置、能量沉积范围等方面的实验研究提供重要诊断手段;也可用于内破裂、大破裂、MHD,特别是q=2附近高模的MHD行为、热电子和超热电子的输运、被捕获的高能粒子图像以及与模式波(如m=1,n=1)共振引起的鱼骨模不稳定性、辅助加料引起和诱发逃逸电子雪崩现象的实验观察与研究。An advanced 2D X-ray imaging CCD system has been designed for the HL-2A tokmak. The 2D time-space distribution of hard X-ray radiation intensity, I(x,y,t), can be obtained directly with this system, and the electron velocity distribution, f_e (v,r,t), also can be obtained. The system can be a very important method for experimental diagnoses in studying the efficiency of dual auxiliary heating and non-induced current driving, such as ECH/ECCD,LHH/LHCD,ICRH/ICCD,NBIH/NBICD. It can also be used in studying the position of energy deposition, transport of energetic electrons, internal transport barrier, etc.

关 键 词：二维硬X射线成像 HL-2A装置 电荷耦合器件 磁约束聚变实验 电子轫致辐射 

分 类 号：TL816.1[核科学技术—核技术及应用]