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Investigation on the hydrodynamics of slab x-ray laser plasma by nonuiform line focused laser irradiation |
Cheng Tao(程涛),Li Ying-Jun(李英骏)†,Meng Li-Min(孟立民),and Li Xi-Bo(李希波) |
China University of Mining and Technology, Beijing 100083, China |
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Abstract Based on the two-dimensional model, this paper compares the hydrodynamics of slab x-ray laser plasma produced by different nonuniform line focused irradiations. It finds that the average intensity and the duration of laser pulse and the overall shape of the intensity distribution in the focal line have different influences on the plasma. Calculations show that the evolution of temperature variation is more sensitive to the pulse duration and the electron density variation is more sensitive to the pulse intensity. Pulses with duration of 200 ps to 500 ps and with intensity of 0.2 TW/cm2 to 1.0 TW/cm2 are proved acceptable in slab x-ray lasers.
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Received: 26 March 2010
Revised: 20 July 2010
Accepted manuscript online:
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PACS:
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42.55.Vc
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(X- and γ-ray lasers)
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52.25.-b
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(Plasma properties)
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Fund: Project suported by the National Natural Science Foundation of China (Grant No. 10874242), the National Basic Research Program of China (973 Program) (Grant No. 2007CB815105) and Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20070290008). |
Cite this article:
Cheng Tao(程涛),Li Ying-Jun(李英骏),Meng Li-Min(孟立民),and Li Xi-Bo(李希波) Investigation on the hydrodynamics of slab x-ray laser plasma by nonuiform line focused laser irradiation 2011 Chin. Phys. B 20 024206
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