Channeling and Photon Emission of Electrons in Crystalline Undulators-Experiments
晶体波荡器实验中电子的沟道和光子发射
基本信息
- 批准号:101577903
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2008
- 资助国家:德国
- 起止时间:2007-12-31 至 2013-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The project aims to carry out experimental studies of hard X-ray and (-ray emission in an electron-based crystalline undulator which was predicted recently to be a powerful radiation source with narrow spectral band width. The dechanneling phenomenon will be investigated at (110)-planes of silicon crystals as function of the crystal thickness for various electron beam energies between 180 MeV and 1.5 GeV at the Mainz Microtron MAMI. Undulator radiation production will be studied with an existing 4-period epitaxially grown strained-layer Si1-xGex undulator with a period length λU = 50 μm and an estimated amplitude of 9 Å at beam energies of 855 MeV and 1.5 GeV. Further experiments with an undulator of about 4 μm period length and larger numbers of periods rely on the results obtained for the dechanneling-length measurements. Experiments at a beam energy of about 300 MeV will be performed if quantum effects turn out to result in a long dechanneling length, and/or at 1.5 GeV for which in a classical picture a dechanneling length of 32 μm is predicted. The experimental investigations are expected to benefit from a theoretical analysis of the underlying channeling phenomenon and characteristics of radiation emission which is formulated in the simultaneously submitted application for a DFG research grant by the Frankfurt Institute for Advanced Studies (FIAS).
该项目的目的是在一个电子基晶体波荡器中进行硬X射线和γ射线发射的实验研究,该波荡器最近被预测为一种具有窄谱带宽度的强大辐射源。在美因茨微波加速器MAMI上,研究了不同能量(180 MeV ~ 1.5 GeV)的电子束在硅晶体(110)面上的退散现象。利用现有的四周期外延生长应变层Si 1-xGex波荡器,在束流能量为855 MeV和1.5 GeV时,研究波荡器辐射产生,波荡器周期长度λU = 50 μm,估计振幅为9 μ m。进一步的实验中,波荡器的周期长度约为4 μm,更大的周期数依赖于所获得的结果的去通道长度测量。如果量子效应导致很长的退散长度,则将在约300 MeV的束流能量下进行实验,和/或在1.5 GeV下进行实验,在经典图像中预测退散长度为32 μm。实验研究预计将受益于理论分析的基本沟道现象和辐射发射的特点,这是制定在同时提交申请DFG研究资助的法兰克福高等研究所(FIAS)。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Experimental realization of a new type of crystalline undulator.
- DOI:10.1103/physrevlett.112.254801
- 发表时间:2014-06
- 期刊:
- 影响因子:8.6
- 作者:T. N. Wistisen;K. K. Andersen-K.;S. Yılmaz;R. Mikkelsen;J. L. Hansen;U. Uggerhøj;W. Lauth;H. Backe
- 通讯作者:T. N. Wistisen;K. K. Andersen-K.;S. Yılmaz;R. Mikkelsen;J. L. Hansen;U. Uggerhøj;W. Lauth;H. Backe
Radiation emission at channeling of electrons in a strained layer Si1-xGex undulator crystal
- DOI:10.1016/j.nimb.2013.03.047
- 发表时间:2013-08
- 期刊:
- 影响因子:1.3
- 作者:H. Backe;D. Krambrich;W. Lauth;K. K. Andersen-K.;J. L. Hansen;U. Uggerhøj
- 通讯作者:H. Backe;D. Krambrich;W. Lauth;K. K. Andersen-K.;J. L. Hansen;U. Uggerhøj
Steering of a sub-GeV electron beam through planar channeling enhanced by rechanneling.
- DOI:10.1103/physrevlett.112.135503
- 发表时间:2014-04
- 期刊:
- 影响因子:8.6
- 作者:A. Mazzolari;E. Bagli;L. Bandiera;V. Guidi;H. Backe;W. Lauth;V. Tikhomirov;A. Berra;D. Lietti;M. Prest;E. Vallazza;D. Salvador
- 通讯作者:A. Mazzolari;E. Bagli;L. Bandiera;V. Guidi;H. Backe;W. Lauth;V. Tikhomirov;A. Berra;D. Lietti;M. Prest;E. Vallazza;D. Salvador
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Professor Dr. Hartmut Backe其他文献
Professor Dr. Hartmut Backe的其他文献
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{{ truncateString('Professor Dr. Hartmut Backe', 18)}}的其他基金
Kohärente Erzeugung von Röntgenstrahlung mit dem Elektronenstrahl des Mainzer Mikrotrons MAMI
使用美因茨 microtron MAMI 的电子束相干生成 X 射线
- 批准号:
5150233 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Research Grants
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