| 强脉冲超硬Ｘ射线产生技术研究 |
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| 引用本文： | 蒯斌,邱爱慈,王亮平,林东生,丛培天,梁天学.强脉冲超硬Ｘ射线产生技术研究[J].强激光与粒子束,2005,17(11):1739-1743. |
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| 作者姓名： | 蒯斌 邱爱慈 王亮平 林东生 丛培天 梁天学 |
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| 作者单位： | 1. 西安交通大学 电气工程学院， 陕西 西安 710049； 2. 西北核技术研究所， 陕西 西安 710024 |
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| 基金项目： | 国防科技基础研究基金资助课题.致谢 本工作在开展过程中得到西北核技术研究所曾正中研究员、盖同阳高级工程师、程引会副研究员等同志的大力协作和支持,在此表示衷心的感谢. |
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| 摘 要： | 分析了利用强流脉冲电子束轫致辐射产生强脉冲超硬X射线的几种主要技术途径的特点，以及提高超硬X射线产额的方法；利用MCNP软件计算了电子能量在0.4～1.4 MeV范围内，超硬X射线产生效率与钽辐射转换靶厚度的关系曲线；介绍了在“强光一号”加速器上开展产生强脉冲超硬X射线实验方法与实验结果，获得了3种强脉冲超硬X射线：脉冲宽度约35 ns，输出窗面积约50 cm2，能量密度为5～7 J/cm2；脉冲宽度约35 ns，输出窗面积约50 cm2，能量密度为12 J/cm2；脉冲宽度约35 ns，输出窗面积约500 cm2，能量密度为1 J/cm2。
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| 关 键 词： | 超硬X射线 强流脉冲电子束 轫致辐射 |
| 文章编号： | 1001-4322(2005)11-1739-05 |
| 收稿时间： | 2005-03-07 |
| 修稿时间： | 2005-05-20 |
Generation of intense pulsed super-hard X-ray |
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| KUAI Bin,QIU Ai-ci,WANG Liang-ping,LIN Dong-sheng,CONG Pei-tian,LIANG Tian-xue.Generation of intense pulsed super-hard X-ray[J].High Power Laser and Particle Beams,2005,17(11):1739-1743. |
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| Authors: | KUAI Bin QIU Ai-ci WANG Liang-ping LIN Dong-sheng CONG Pei-tian LIANG Tian-xue |
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| Institution: | 1. School of Electrical Engineering, Xi′an Jiaotong University, Xi′an 710049, China;2. Northwest Institute of Nuclear Technology, P.O.Box 69-10, Xi′an 710024, China |
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| Abstract: | The present condition of technique research on generation of intense pulsed super-hard X-ray via bremsstrahlung of pulsed intense-current pinched electron beam was described.The characteristics of a few main techniques to generate intense pulsed super-hard X-ray were compared,and the methods to increase the super-hard X-ray yield were analyzed.Making use of the MCNP code the relations of super-hard X-ray generation efficiency with tantalum radiating converter thickness in the electron energy range of 0.4～1.4 MeV were calculated.Moreover,the three experiment techniques for generation of intense pulsed super-hard X-ray on "QuangGuang-I" accelerator were introduced and the respective results corresponding to the three kinds of diode were:(1) the super hard X-ray energy density of 5～7 J/cm2 on radiation area 50 cm~2 with pulse duration(35±5) ns;(2) the super hard X-ray energy density of 12 J/cm2 on radiation area 50 cm2 with pulse duration(35±5) ns;(3) the super hard X-ray energy density of 1J/cm2 on radiation area 500cm2 with pulse duration (35+-5)ns. |
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| Keywords: | Super-hard X-ray Pulsed intense current electron beam Bremsstrahlung |
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