| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Demonstration of Mo Soft X-Ray Lasers with a Grazing Incidence Pumping Scheme in the XL-II Facility |
| DONG Quan-Li1, WANG Shou-Jun1, WANG Zhao-Hua1, ZHAO Jing1, WEI Zhi-Yi1, ZHANG Jie1,2 |
| 1Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 1001902Department of Physics, Shanghai Jiaotong University, Shanghai 200240 |
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| Cite this article: |
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DONG Quan-Li, WANG Shou-Jun, WANG Zhao-Hua et al 2009 Chin. Phys. Lett. 26 064214 |
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Abstract A Ni-like Mo soft x-ray laser (SXRLs) operating at 18.9nm has been demonstrated by employing a grazing incidence pumping scheme with 120mJ in the 200ps pre-pulse and 140mJ in the 200fs main pulse. The SXRL gain is estimated to be 1.5-3cm-1 when a grazing incidence angle of 14° is applied. Numerical simulations are also performed to investigate the dynamics of the ion distribution. It is found that a high intensity at 2.4×1014W/cm2 of the 200fs main pulse could heat the pre-plasma rapidly to an appropriate temperature for population inversion, and could compensate for the shortage of the total pump energy to a certain extent.
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| Keywords:
42.55.Vc
32.30.Rj
42.60.By
52.50.Jm
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Received: 18 March 2009
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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32.30.Rj
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(X-ray spectra)
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42.60.By
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(Design of specific laser systems)
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52.50.Jm
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(Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))
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