Multicolor single-analyzer high-energy-resolution XES spectrometer for simultaneous examination of different elements.

IF 2.4 3区 物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION Journal of Synchrotron Radiation Pub Date : 2022-09-01 Epub Date: 2022-08-12 DOI:10.1107/S1600577522007561
Antal Mikeházi, Jihad El Guettioui, István B Földes, György Vankó, Zoltán Németh
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Abstract

The present work demonstrates the performance of a von Hámos high-energy-resolution X-ray spectrometer based on a non-conventional conical Si single-crystal analyzer. The analyzer is tested with different primary and secondary X-ray sources as well as a hard X-ray sensitive CCD camera. The spectrometer setup is also characterized with ray-tracing simulations. Both experimental and simulated results affirm that the conical spectrometer can efficiently detect and resolve the two pairs of two elements (Ni and Cu) Kα X-ray emission spectroscopy (XES) peaks simultaneously, requiring a less than 2 cm-wide array on a single position-sensitive detector. The possible applications of this simple yet broad-energy-spectrum crystal spectrometer range from quickly adapting it as another probe for complex experiments at synchrotron beamlines to analyzing X-ray emission from plasma generated by ultrashort laser pulses at modern laser facilities.

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多色单分析仪高能量分辨率XES光谱仪,可同时检测不同元素。
本文演示了基于非常规锥形硅单晶分析仪的von Hámos高能分辨率x射线光谱仪的性能。该分析仪使用不同的一次和二次x射线源以及硬x射线敏感CCD相机进行测试。分光计的设置也具有射线追踪模拟的特点。实验和模拟结果表明,锥形光谱仪可以同时有效地探测和分辨两对元素(Ni和Cu)的Kα x射线发射光谱(XES)峰,而单台位置敏感探测器的阵列宽度小于2 cm。这种简单但宽能谱晶体光谱仪的可能应用范围从快速适应它作为同步加速器光束线复杂实验的另一个探针到分析现代激光设备中超短激光脉冲产生的等离子体的x射线发射。
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来源期刊
CiteScore
5.10
自引率
12.00%
发文量
289
审稿时长
4-8 weeks
期刊介绍: Synchrotron radiation research is rapidly expanding with many new sources of radiation being created globally. Synchrotron radiation plays a leading role in pure science and in emerging technologies. The Journal of Synchrotron Radiation provides comprehensive coverage of the entire field of synchrotron radiation and free-electron laser research including instrumentation, theory, computing and scientific applications in areas such as biology, nanoscience and materials science. Rapid publication ensures an up-to-date information resource for scientists and engineers in the field.
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