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氪激光等离子体X射线谱研究 被引量：2

Study of X-ray emission from plasma generated by laser irradiated krypton puff target
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摘要 在“星光-Ⅱ”激光装置上，聚焦1．06μm激光束于真空室内氪气体喷射靶上，产生氪元素激光等离子体．用PET（2d=0．8742nm）平晶谱仪测量了氪激光等离子体5．25～7．55A范围的X射线发射谱．基于准相对论多组态理论，考虑了CI作用和Breit修正，采用COWAN程序计算了氪的类C到类Mg离子3—2和4—2共振跃迁波长和跃迁几率．16条氪的类N至类F离子．共振线得到辨识和归类．本工作对于积累氪元素离子谱线数据具有重要的意义． On XG - Ⅱ, the 1.06 μm laser beam was focused on krypton gas puff target. Then high-temperature plasma was generated and the X-ray spectra in the range of 5.25-7.55 A was recorded using plate PET crystal spectrometer. Based on relativistic multi configuration interaction, and taking account of CI interaction and correction of Breit, the 3-2 and 4-2 resonance lines of C-like to Mg-like krypton ions have been computed by COWAN codes. The wavelength and intensity factors were calculated in detail. A total of 16 spectral features are identified, and the calculations agree with experimental emission spectra. This work is very helpful for enriching the spectra of krypton ions.
作者 朱托 张继彦 张保汉 杨朝文 杨国洪 杨家敏 李军
机构地区 四川大学物理科学与技术学院 中国工程物理研究院激光聚变研究中心
出处 《原子与分子物理学报》 CAS CSCD 北大核心 2007年第3期513-517,共5页 Journal of Atomic and Molecular Physics
基金 国家自然科学基金(10434050)
关键词 激光气体靶 跃迁 COWAN laser puff target, transition, COWAN
分类号 O562.3 [理学—原子与分子物理]
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参考文献7

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共引文献12

同被引文献17

  • 1杨柏谦,张继彦,韩申生,郑志坚.Al激光等离子体电子密度的空间分辨诊断[J].强激光与粒子束,2005,17(5):703-706. 被引量：16
  • 2汪艳,杨国洪,杨家敏,丁耀南,张继彦,李军.透射晶体谱仪及其理论计算[J].光学学报,2006,26(10):1507-1511. 被引量：6
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引证文献2

二级引证文献6

原子与分子物理学报
2007年 第3期

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