使用非侵入式光栅光谱仪对硬 X 射线激光辐射进行单次分析。
Single-shot analysis of hard x-ray laser radiation using a noninvasive grating spectrometer.
机构信息
Paul Scherrer Institut, Villigen-PSI CH 5232, Switzerland.
出版信息
Opt Lett. 2012 Dec 15;37(24):5073-5. doi: 10.1364/OL.37.005073.
PMID:23258009
Abstract
We present a spectrometer setup based on grating dispersion for hard x-ray free-electron lasers. This setup consists of a focusing spectrometer grating and a charge-integrating microstrip detector. Measurement results acquired at Linac Coherent Light Source are presented, demonstrating noninvasive monitoring of single-shot spectra with a resolution of 2.0×10(-4) ±0.3×10(-4) at photon energy of 6 keV with more than 95% transmission of the main beam.
摘要
我们提出了一种基于光栅色散的硬 X 射线自由电子激光光谱仪装置。该装置由聚焦光谱仪光栅和电荷积分微带探测器组成。本文给出了在林可相干光源上获得的测量结果，证明了在 6keV 光子能量下具有 2.0×10(-4)±0.3×10(-4)分辨率的单次光谱的非侵入式监测，主光束的透过率超过 95%。
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