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Chinese Physics, 2007, Vol. 16(8): 2439-2443    DOI: 10.1088/1009-1963/16/8/047
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

2D hydrodynamic simulation of a line-focused plasma in Ni-like Ag x-ray laser research

Zheng Wu-Di(郑无敌)a)b))† and Zhang Guo-Ping(张国平)a)
a Institute of Applied Physics and Computational Mathematics, Beijing 100088, China; b Graduated School of China Academy of Engineering Physics, Beijing 100088, China
Abstract  In most collisional schemes of x-ray laser (XRL) experiments, a bow-like intensity distribution of XRL is often observed, and it is generally ascribed to the two-dimensional hydrodynamic behaviour of expanding plasma. In order to better understand its essence in physics, a newly developed two-dimensional non-equilibrium radiation hydrodynamic code XRL2D is used to simulate a quasi-steady state Ni-like Ag XRL experiment on ShenGuang-II facility. The simulation results show that the bow-like distribution of Ni-like ions caused by over-ionization in the central area of plasma is responsible for the bow-like shape of the XRL intensity distribution observed.
Keywords:  x-ray laser      numerical simulation      line-focused plasma  
Received:  23 October 2006      Revised:  17 February 2007      Accepted manuscript online: 
PACS:  42.55.Vc (X- and γ-ray lasers)  
  52.38.Dx (Laser light absorption in plasmas (collisional, parametric, etc.))  
  52.65.-y (Plasma simulation)  
Fund: Project supported by the National High Technology Development Program of China (Grant No~803-804-7-1).

Cite this article: 

Zheng Wu-Di(郑无敌) and Zhang Guo-Ping(张国平) 2D hydrodynamic simulation of a line-focused plasma in Ni-like Ag x-ray laser research 2007 Chinese Physics 16 2439

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