Investigation on the hydrodynamics of slab x-ray laser plasma by nonuiform line focused laser irradiation

doi:10.1088/1674-1056/20/2/024206

中国物理B ›› 2011, Vol. 20 ›› Issue (2): 24206-024206.doi: 10.1088/1674-1056/20/2/024206

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇下一篇

Investigation on the hydrodynamics of slab x-ray laser plasma by nonuiform line focused laser irradiation

程涛, 李英骏, 孟立民, 李希波

China University of Mining and Technology, Beijing 100083, China

收稿日期:2010-03-26 修回日期:2010-07-20 出版日期:2011-02-15 发布日期:2011-02-15
基金资助:
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).

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

Received:2010-03-26 Revised:2010-07-20 Online:2011-02-15 Published:2011-02-15
Supported by:
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).

摘要/Abstract

摘要： 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.

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.

Key words: plasma, slab x-ray laser, nonuniform line focused laser irradiation, hydrodynamics

中图分类号: (X- and γ-ray lasers)

42.55.Vc

52.25.-b (Plasma properties)

程涛, 李英骏, 孟立民, 李希波. Investigation on the hydrodynamics of slab x-ray laser plasma by nonuiform line focused laser irradiation[J]. 中国物理B, 2011, 20(2): 24206-024206.

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[J]. Chin. Phys. B, 2011, 20(2): 24206-024206.

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Investigation on the hydrodynamics of slab x-ray laser plasma by nonuiform line focused laser irradiation

Investigation on the hydrodynamics of slab x-ray laser plasma by nonuiform line focused laser irradiation

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