Perspective for high energy density studies on x-ray FELs

Perspective for high energy density studies on x-ray FELs
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DOI：
10.1117/12.825349
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发表时间：
2009-08
期刊：
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影响因子：
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通讯作者：
R. Lee;B. Nagler;U. Zastrau;R. Fäustlin;S. Vinko;T. Whitcher;R. Sobierajski;J. Krzywiński;L. Juha;A. Nelson;S. Bajt;K. Budil;R. Cauble;T. Bornath;T. Burian;J. Chalupský;H. Chapman;J. Cihelka;T. Döppner;T. Dzelzainis;S. Düsterer;M. Fajardo;E. Förster;C. Fortmann;S. Glenzer;S. Göde;G. Gregori;V. Hájková;P. Heimann;M. Jurek;F. Khattak;A. Khorsand;D. Klinger;M. Kozlová;T. Laarmann;H.J. Lee;K. Meiwes-Broer;P. Mercère;W. Murphy;A. Przystawik;R. Redmer;H. Reinholz;D. Riley;G. Röpke;K. Saksl;R. Thiele;J. Tiggesbäumker;S. Toleikis;T. Tschentscher;I. Uschmann;R. Falcone;R. Shepherd;J. Hastings;W. White;J. Wark
R. Lee;B. Nagler;U. Zastrau;R. Fäustlin;S. Vinko;T. Whitcher;R. Sobierajski;J. Krzywiński;L. Juha;A. Nelson;S. Bajt;K. Budil;R. Cauble;T. Bornath;T. Burian;J. Chalupský;H. Chapman;J. Cihelka;T. Döppner;T. Dzelzainis;S. Düsterer;M. Fajardo;E. Förster;C. Fortmann;S. Glenzer;S. Göde;G. Gregori;V. Hájková;P. Heimann;M. Jurek;F. Khattak;A. Khorsand;D. Klinger;M. Kozlová;T. Laarmann;H.J. Lee;K. Meiwes-Broer;P. Mercère;W. Murphy;A. Przystawik;R. Redmer;H. Reinholz;D. Riley;G. Röpke;K. Saksl;R. Thiele;J. Tiggesbäumker;S. Toleikis;T. Tschentscher;I. Uschmann;R. Falcone;R. Shepherd;J. Hastings;W. White;J. Wark
中科院分区：
其他
文献类型：
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作者：
R. Lee;B. Nagler;U. Zastrau;R. Fäustlin;S. Vinko;T. Whitcher;R. Sobierajski;J. Krzywiński;L. Juha;A. Nelson;S. Bajt;K. Budil;R. Cauble;T. Bornath;T. Burian;J. Chalupský;H. Chapman;J. Cihelka;T. Döppner;T. Dzelzainis;S. Düsterer;M. Fajardo;E. Förster;C. Fortmann;S. Glenzer;S. Göde;G. Gregori;V. Hájková;P. Heimann;M. Jurek;F. Khattak;A. Khorsand;D. Klinger;M. Kozlová;T. Laarmann;H.J. Lee;K. Meiwes-Broer;P. Mercère;W. Murphy;A. Przystawik;R. Redmer;H. Reinholz;D. Riley;G. Röpke;K. Saksl;R. Thiele;J. Tiggesbäumker;S. Toleikis;T. Tschentscher;I. Uschmann;R. Falcone;R. Shepherd;J. Hastings;W. White;J. Wark

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我们报道了在DESY的闪光自由电子激光(FEL)装置上进行的热致密物质的X射线吸收实验。利用自由电子激光产生具有软X射线吸收的热致密物质作为电子结构的探针。一个多层镀膜抛物面反射镜将自由电子激光辐射聚焦到一个薄的样品上，光斑尺寸小到0.3μm，脉冲为~15fs，波长为13.5 nm。硅光电二极管测量透射光和反射光，而光谱学则提供样品温度的详细测量。目标是测量接近1018W/cm2的强度范围。实验结果将与理论计算一起给出。本文将简要报告自由电子激光未来的发展方向。
We report on the x-ray absorption of Warm Dense Matter experiment at the FLASH Free Electron Laser (FEL) facility at DESY. The FEL beam is used to produce Warm Dense Matter with soft x-ray absorption as the probe of electronic structure. A multilayer-coated parabolic mirror focuses the FEL radiation, to spot sizes as small as 0.3μm in a ~15fs pulse of containing >1012 photons at 13.5 nm wavelength, onto a thin sample. Silicon photodiodes measure the transmitted and reflected beams, while spectroscopy provides detailed measurement of the temperature of the sample. The goal is to measure over a range of intensities approaching 1018 W/cm2. Experimental results will be presented along with theoretical calculations. A brief report on future FEL efforts will be given.