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在真空紫外线自由电子激光光束线中的多功能气体电池

Mingchang Wang^1,2, Yong Yu³, Jiayue Yang¹

¹State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.

The Review of scientific instruments

|June 3, 2024

概括

一个高贵气体电池有效地减弱了自由电子激光器 (FEL) 的功率,并过了波. 这种气体电池技术增强了光谱仪校准和分辨能力,改善了终端站的信号噪声比率.

科学领域:

物理物理学物理
激光科学激光科学
频谱学是一种光谱学.

背景情况:

自由电子激光器 (FEL) 需要对终端站进行功率减弱.
气体电池通常用于FEL光束线的衰减.
气体电池提供了除了简单的衰减之外的额外功能.

研究的目的:

为了评估在FEL操作中减弱和波过的气体电池的性能.
为了证明气体电池对光谱仪校准和解析功率评估的实用性.
改进终端站的信号噪声比率.

主要方法:

在波动器和FEL光线的第一个镜子之间放置一个长的贵重气体电池.
使用气体电池进行光谱仪校准和解析功率评估.
操作气体电池以过FEL的第三波.

主要成果:

实现了大于5000的分辨率.
使用气体电池完成了精确的光谱仪校准.
在保持基本功率的同时,将FEL的第三波减弱大约一个数量级.
显著改善了终端站的信号噪声比.

结论:

气体电池是FEL光束线操作的多功能工具.
它有效地减弱了FEL功率,并过了不需要的波.
气体电池增强了诊断能力,并改善了实验结果.

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