S3FEL ARPES端站延时补偿单色仪的设计。

IF 2.5 3区物理与天体物理

Journal of Synchrotron Radiation Pub Date : 2025-05-01 Epub Date: 2025-04-02 DOI:10.1107/S1600577525002139

Zhenjiang Xing, Chuan Yang, Qinming Li, Kai Hu, Ye Zhu, Chen Wu, Chenggong Zhang, Weiqing Zhang

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引用次数: 0

摘要

本文介绍了深圳超导软 X 射线自由电子激光器（S3FEL）角度分辨光发射光谱（ARPES）支线的初步设计和预期性能。设计了一个对称布局的时延补偿单色器（TDCM），用于光谱选择和脉冲持续时间保持。采用六维 K 矩阵法对 TDCM 进行了优化，并利用傅立叶光学对光束线系统进行了从头到尾的模拟。数值估算表明，TDCM 可以实现接近傅立叶变换极限的时间-带宽乘积。

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Design of a time-delay-compensated monochromator for the ARPES endstation at S³FEL.

The preliminary design and expected performance for the Angle-Resolved Photoemission Spectroscopy (ARPES) branchline at Shenzhen Superconducting Soft X-ray Free Electron Laser (S³FEL) is presented. A time-delay-compensated monochromator (TDCM) in symmetric layout has been designed for spectral selection and pulse duration preservation. The TDCM is optimized using the six-dimensional K-matrix method and a start-to-end simulation of the beamline system using Fourier optics was performed. Numerical estimations indicate that the TDCM can achieve a time-bandwidth product approaching the Fourier-transform limit.

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来源期刊

Journal of Synchrotron Radiation INSTRUMENTS & INSTRUMENTATIONOPTICS&-OPTICS

CiteScore

5.60

自引率

12.00%

发文量

289

审稿时长

1 months

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.