用平面光栅单色仪模拟x射线光束线的一种自动化、鲁棒的方法。

IF 2.5 3区物理与天体物理

Journal of Synchrotron Radiation Pub Date : 2025-07-01 Epub Date: 2025-05-13 DOI:10.1107/S1600577525003200

Patrick Yuheng Wang, Murilo Bazan da Silva, Georg Held, Hongchang Wang, Kawal Sawhney, Andrew C Walters

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引用次数: 0

摘要

平面光栅单色仪（PGM）是一种用于软x射线光束线的光学仪器。尽管PGM无处不在，但它的效率很容易被高估，因为许多现代PGM的几何形状会导致意想不到的光束阻塞。我们在Python中开发了一个新的工作流程来模拟pgm，从而扩展了SHADOW3的功能，SHADOW3是一个成熟的光线追踪软件工具。我们用我们的方法模拟了金刚石光源下通用软x射线（VerSoX）光束线B07分支C上的通量。仿真结果与实验测量结果定性一致，验证了所提方法的鲁棒性。

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An automated and robust method for modelling X-ray beamlines with plane grating monochromators.

The plane grating monochromator (PGM) is an optical instrument used in the majority of soft X-ray beamlines. Despite its ubiquity, the PGM efficiency can easily be overestimated, because the geometry of many modern PGMs can lead to unexpected blocking of the beam. We have developed a new workflow in Python for simulating PGMs, thus extending the capabilities of SHADOW3, a well established ray tracing software tool. We have used our method to simulate the flux on branch C of the Versatile Soft X-ray (VerSoX) beamline B07 at Diamond Light Source. The simulation results demonstrate qualitative agreement with the experimental measurements, confirming the robustness of the proposed methodology.

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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.