| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Non-uniform Influence of Prepulse Duration on a Nickel-Like Mo X-Ray Laser in XLIII |
| CHENG Tao1,2, LI Ying-Jun1, MENG Li-Min1,2, ZHANG Jie2 |
| 1School of Mechanics and Civil Engineering, China University of Mining and Technology, Beijing 1000832Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 |
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| Cite this article: |
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CHENG Tao, LI Ying-Jun, MENG Li-Min et al 2009 Chin. Phys. Lett. 26 064212 |
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Abstract An experiment on a transient nickel-like Mo x-ray laser in the extreme light III (XL III) laser facility is analyzed, based on the two-dimensional hydrodynamic evolutions of a plasma under a non-uniform incident laser. Influences of the pulse duration and intensity on plasma scale length, electron density, temperature, as well as their distributions are investigated, based on which the pre-pulse character and delay time are determined according to the parameters of laser line focus on XLIII. It is found that the optimal intensity of the pre-pulse is 1.0TW/cm2 with a duration of 500ps; a well modified pre-plasma can be obtained after 1.6ns under low quality line focus in the lab.
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| Keywords:
42.55.Vc
52.59.Ye
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Received: 07 October 2008
Published: 01 June 2009
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| PACS: |
42.55.Vc
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(X- and γ-ray lasers)
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52.59.Ye
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(Plasma devices for generation of coherent radiation ?)
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