Study on the UV FEL single-shot damage threshold of an Au thin film.

IF 2.5 3区物理与天体物理

Journal of Synchrotron Radiation Pub Date : 2024-09-01 Epub Date: 2024-07-23 DOI:10.1107/S1600577524005332

Meiyi Wu, Qinming Li, Mingchang Wang, Qinghao Zhu, Jiandong Cai, Zhongmin Xu, Hao Zhou, Long Huang, Bingbing Zhang, Runze Qi, Zhe Zhang, Wenbin Li, Yinpeng Zhong, Weiqing Zhang

引用次数: 0

Abstract

The damage threshold of an Au-coated flat mirror, one of the reflective optics installed on the FEL-2 beamline of the Dalian Coherent Light Source, China, upon far-UV free-electron laser irradiation is evaluated. The surface of the coating is characterized by profilometer and optical microscope. A theoretical approach of the phenomenon is also presented, by application of conventional single-pulse damage threshold calculations, a one-dimensional thermal diffusion model, as well as finite-element analysis with ANSYS.

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金薄膜的紫外 FEL 单次损伤阈值研究。

本研究评估了中国大连相干光源 FEL-2 光束线的反射镜之一--金涂层平面镜在远紫外自由电子激光照射下的损伤阈值。通过轮廓仪和光学显微镜对涂层表面进行了表征。通过应用传统的单脉冲损伤阈值计算、一维热扩散模型以及 ANSYS 有限元分析，还介绍了该现象的理论方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.

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