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首页> 外文会议>Society of Photo-Optical Instrumentation Engineers Conference on Soft X-Ray Lasers and Applications >PLEIADES: high peak brightness, subpicosecond Thomson hard x-ray source
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PLEIADES: high peak brightness, subpicosecond Thomson hard x-ray source

机译：Pleiades：高峰亮度，偶数汤姆森硬X射线源

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摘要

The Picosecond Laser-Electron Inter-Action for the Dynamic Evaluation of Structures (PLEIADES) facility, is a unique, novel, tunable (10-200 keV), ultrafast (ps-fs), hard x-ray source that greatly extends the parameter range reached by existing 3~(rd) generation sources, both in terms of x-ray energy range, pulse duration, and peak brightness at high energies. First light was observed at 70 keV early in 2003, and the experimental data agrees with 3D codes developed at LLNL. The x-rays are generated by the interaction of a 50 fs Fourier-transform-limited laser pulse produced by the TW-class FALCON CPA laser and a highly focused, relativistic (20-100 MeV), high brightness (1 nC, 0.3-5 ps, 5 mm.mrad 0.2% energy spread) photo-electron bunch. The resulting x-ray brightness is expected to exceed 10~(20) ph/mm~2/s/mrad~2/0.1% BW. The beam is well-collimated (10 mrad divergence over the full spectrum, 1 mrad for a single color), and the source is a unique tool for time-resolved dynamic measurements in matter, including high-Z materials.
机译：用于结构（Pleiades）设施的PicoSecond激光 - 电子动态互动，是一种独特的新颖，可调（10-200keV），超快（PS-FS），非常延长参数的硬X射线源现有3〜（RD）生成源达到的范围，无论是在X射线能量范围，脉冲持续时间和高能量下的峰值亮度方面。在2003年初在70 kev观察到第一块光，实验数据同意在LLNL开发的3D代码。通过TW-Class Falcon CPA激光器产生的50 FS傅立叶变换限制激光脉冲的相互作用和高度聚焦，相对论（20-100MEV），高亮度（1nc，0.3- 5 ps，5 mm.mrad 0.2％能量扩展）光电束。得到的X射线亮度预期超过10〜（20）pH / mm〜2 / s / mrad〜2 / 0.1％BW。该光束是良好准直的（整个光谱的10mrad发散，1个MRad为单色），并且源是有关时间分辨动态测量的独特工具，包括高Z材料。

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