高热负载<bold>X</bold>射线自由电子激光复合折射透镜的热分析

上海硬X射线自由电子激光装置(Shanghai HIgh-repetition-rate XFEL aNd Extreme Light Facility,SHINE)具有高亮度、全相干性和高重复频率等特点。对于高重频硬X射线进行聚焦时,复合折射透镜(Compound Refractive Lens,CRL)需要承受高热负载,甚至会出现由高热应力引起的光学器件性能失效问题。为了确保CRL聚焦镜的热应力在许可限定范围内和CRL聚焦镜在高重频X射线下保持良好的光学性能,采用有限元方法(Finite Element Method,FEM)进行热分析,优化了X射线的最大许可重频,以降低CRL聚焦镜出现高...

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Bibliographic Details
Main Authors: 王 震, 佟 亚军, 刘 芳
Format: Article
Language:zho
Published: Science Press 2025-05-01
Series:He jishu
Subjects:
Online Access:https://www.sciengine.com/doi/10.11889/j.0253-3219.2025.hjs.48.240172
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