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 20 μm wide space−resolved slit. By using the approximation of the steady collisional-radiative equilibrium model, the interstage line intensity ratios of Ly-α resonance line to He−α resonance 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.
Abstract：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 20 μm wide space−resolved slit. By using the approximation of the steady collisional-radiative equilibrium model, the interstage line intensity ratios of Ly-α resonance line to He−α resonance 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.
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
. Space-Resolved Diagnosis for Electron Temperature of Laser-Produced Aluminum Plasma[J]. 中国物理快报, 2011, 28(6): 65201-065201.
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
. Space-Resolved Diagnosis for Electron Temperature of Laser-Produced Aluminum Plasma. Chin. Phys. Lett., 2011, 28(6): 65201-065201.
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