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Experimental study on K alpha X-ray emission from intense femtosecond laser-solid interactions
Xu Miao-Hua; Chen Li-Ming; Li Yu-Tong; Yuan Xiao-Hui; Liu Yun-Quan; Nakajima, Kazuhisa; Tajima, Toshi; Wang Zhao-Hua; Wei Zhi-Yi; Zhao Wei; Zhang Jie
作者部门瞬态光学国家重点实验室
2007
发表期刊ACTA PHYSICA SINICA
ISSN1000-3290
卷号56期号:1页码:353-358
产权排序1
摘要The characteristics of K alpha X-ray sources generated by p-polarized femtosecond laser-solid interactions are experimentally studied in the relativistic regime. By use of knife-edge image technique and a single-photon-counting X-ray CCD camera, we obtaine the source size, the spectrum and the conversion efficiency of the Ka X-ray sources. The experimental results show that the conversion efficiency of Ka photons reaches an optimum value of 7.08 x 10(-6)/sr at the laser intensity of 1.6 x 10(18) W/cm(2), which is different from the Reich's simulation results (Reich et al., 2000 Phys. Rev. Lett. 84 4846). We find that about 10% of laser energy is converted into the forward hot electrons at the laser intensity of 1.6 x 10(18) W/cm(2).
文章类型Article
关键词Ultrashort Laser-plasma Interactions k Alpha X-ray Source Conversion Efficiency
学科领域数理科学和化学
WOS标题词Science & Technology ; Physical Sciences
收录类别SCI ; EI
关键词[WOS]FAST IGNITER RESEARCH ; PLASMA INTERACTIONS ; HOT-ELECTRONS ; PULSE ; TARGET ; SPECTROSCOPY ; ABSORPTION
语种中文
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000243511600058
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/6724
专题瞬态光学研究室
通讯作者Yuan Xiao-Hui
作者单位1.Chinese Acad Sci, Inst Phys, Key Lab Opt Phys, Beijing 100080, Peoples R China
2.Japan Atom Energy Res Inst, Adv Photon Res Ctr, Kyoto 6190215, Japan
3.Chinese Acad Sci, State Key Lab Transient Opt Technol, Xian 710068, Peoples R China
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Xu Miao-Hua,Chen Li-Ming,Li Yu-Tong,et al. Experimental study on K alpha X-ray emission from intense femtosecond laser-solid interactions[J]. ACTA PHYSICA SINICA,2007,56(1):353-358.
APA Xu Miao-Hua.,Chen Li-Ming.,Li Yu-Tong.,Yuan Xiao-Hui.,Liu Yun-Quan.,...&Zhang Jie.(2007).Experimental study on K alpha X-ray emission from intense femtosecond laser-solid interactions.ACTA PHYSICA SINICA,56(1),353-358.
MLA Xu Miao-Hua,et al."Experimental study on K alpha X-ray emission from intense femtosecond laser-solid interactions".ACTA PHYSICA SINICA 56.1(2007):353-358.
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