摘要
The K−shell emission spectra of laser-produced aluminum plasma are measured by a space-resolved spectrometer consisting of a flat crystal spectrometer with a 20μm wide space−resolved slit.By using the approximation of the steady collisional-radiative equilibrium model,the interstage line intensity ratios of Ly-αresonance line to He−αresonance line are given as a function of electron temperature.The spectra profiles are decomposed to resonance line and the overlapped high-order satellites manifold.Thus reliable electron temperature is deduced from the interstage line intensity ratios of the decomposed resonance lines.The results of spaced-resolved temperature are compared with the hydrodynamic simulations.The diagnostics of electron temperature for laser-produced plasma is developed.
作者
赵阳
邓博
熊刚
胡智民
韦敏习
朱托
尚万里
李军
杨国洪
张继彦
杨家敏
ZHAO Yang;DENG Bo;XIONG Gang;HU Zhi-Min;WEI Min-Xi;ZHU Tuo;SHANG Wan-Li;LI Jun;YANG Guo-Hong;ZHANG Ji-Yan;YANG Jia-Min(Research Center of Laser Fusion,China Academy of Engineering Physics,Mianyang 621900)
基金
by the National High-Tech Program of China
the National Natural Science Foundation of China under Grant Nos 10734140,10874156 and 10875109.