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Picosecond resolving detection method and experiment for ultrafast X-ray by modulation of an optical probe
其他题名基于探针光调制的皮秒分辨X-ray探测方法与实验
Wang Bo1,2,3; Bai Yong-Lin3; Cao Wei-Wei3; Xu Peng3; Liu Bai-Yu3; Gou Yong-Sheng1,2,3; Zhu Bing-Li3; Hou Xun1; Wang, B
作者部门精密物理量测量实验室
2015-10-20
发表期刊ACTA PHYSICA SINICA
ISSN1000-3290
卷号64期号:20
产权排序1
摘要Diagnostic measurement of single picosecond event in high energy density physics, laser fusion, plasma radiation, and combustion, is of great importance. However, the measuring of the shape of the single X-ray pulse and the synchronization of X-ray and the laser pulse in picosecond resolution is still a great challenge. Restricted by the transit time of electrons, the time-resolution limit of a conventional framing camera based on the microchannel plate is 40 ps. Centered on the full-optical modulation effect of the light-probe, a novel method for X-ray detection of picoseconds temporal resolution based on low temperature GaAs is proposed in this work. The basic physical mechanism of the detector can be explained in both macroscopical and microcosmic ways. In the macroscopical way, the X-ray radiation absorption in the sensor material produces a transient, non-equilibrium electron-hole pair distribution that results in a transient differential change of the local refractive index, which is then sensed by the reflectivity changes of the optical probe beam. In the microcosmic way, X-ray absorption creates photoelectrons and the core level holes are subsequently filled through Auger or fluorescence processes. These excitations ultimately increase conduction and valence band carriers that perturb optical reflectivity.
文章类型Article
关键词All Optical Modulation Temporal Resolution X-ray Detection
学科领域Physics, Multidisciplinary
WOS标题词Science & Technology ; Physical Sciences
DOI10.7498/aps.64.200701
收录类别SCI ; EI
语种英语
WOS研究方向Physics
项目资助者National Natural Science Foundation of China(11305259 ; Ministry of Finance Major Research Equipment Project, China ; 11327303)
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000368822000009
引用统计
被引频次:3[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/181661/27800
专题条纹相机工程中心
通讯作者Wang, B
作者单位1.Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad, Xian Inst Opt & Precis Mech, Key Lab Ultrafast Diagnost Tech, Xian 710119, Peoples R China
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GB/T 7714
Wang Bo,Bai Yong-Lin,Cao Wei-Wei,et al. Picosecond resolving detection method and experiment for ultrafast X-ray by modulation of an optical probe[J]. ACTA PHYSICA SINICA,2015,64(20).
APA Wang Bo.,Bai Yong-Lin.,Cao Wei-Wei.,Xu Peng.,Liu Bai-Yu.,...&Wang, B.(2015).Picosecond resolving detection method and experiment for ultrafast X-ray by modulation of an optical probe.ACTA PHYSICA SINICA,64(20).
MLA Wang Bo,et al."Picosecond resolving detection method and experiment for ultrafast X-ray by modulation of an optical probe".ACTA PHYSICA SINICA 64.20(2015).
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