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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| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Science Press
2025-05-01
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| Series: | He jishu |
| Subjects: | |
| Online Access: | https://www.sciengine.com/doi/10.11889/j.0253-3219.2025.hjs.48.240172 |
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