新的软 X 射线光束线 BL07LSU 在 SPring-8。
New soft X-ray beamline BL07LSU at SPring-8.
机构信息
Synchrotron Radiation Laboratory, Laser and Synchrotron Research Center, The Institute for Solid State Physics, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa 277-8581, Japan.
Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo 679-5198, Japan.
出版信息
J Synchrotron Radiat. 2014 Mar;21(Pt 2):352-65. doi: 10.1107/S1600577513034796. Epub 2014 Feb 8.
Abstract
A new soft X-ray beamline, BL07LSU, has been constructed at SPring-8 to perform advanced soft X-ray spectroscopy for materials science. The beamline is designed to achieve high energy resolution (E/ΔE> 10000) and high photon flux [>10(12) photons s(-1) (0.01% bandwidth)(-1)] in the photon energy range 250-2000 eV with controllable polarization. To realise this state-of-the-art performance, a novel segmented cross undulator was developed and adopted as a light source. The details of the undulator light source and beamline monochromator design are described. The achieved performance of the beamline, such as the photon flux, energy resolution and the state of polarization, is reported.
摘要
在日本同步辐射光源（SPring-8）上建造了一条新的软 X 射线光束线 BL07LSU，用于进行材料科学的先进软 X 射线光谱学研究。该光束线旨在实现光子能量范围为 250-2000 eV、能量分辨率（E/ΔE>10000）和高光子通量[>10(12) 光子 s(-1) (0.01%带宽)(-1)]，同时具有可控的偏振。为了实现这一最先进的性能，我们开发并采用了一种新型分段交叉摆动器作为光源。本文介绍了该摆动器光源和光束线单色仪的设计细节。报告了光束线的性能，如光子通量、能量分辨率和偏振状态。
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