At the X-ray free-electron laser SwissFEL, at the Paul Scherrer Institute, Switzerland, beam loss monitors are used to determine loss positions along the linear accelerator and protect critical elements such as the undulator magnets from excess radiation. These monitors are integrated into the machine protection system (MPS) allowing beam losses to be limited by dynamically reducing the repetition rate. This paper focuses on the types of loss monitors installed at SwissFEL and their function in protecting the machine.

中文翻译：

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SwissFEL的波动监测器损耗监测

瑞士Paul Scherrer研究所的X射线自由电子激光SwissFEL使用光束损失监测器确定沿线性加速器的损失位置，并保护诸如起伏器磁体之类的关键元件免受过多辐射的影响。这些监视器集成在机器保护系统（MPS）中，可通过动态降低重复率来限制光束损失。本文重点介绍了SwissFEL安装的损耗监测器的类型及其在保护机器方面的功能。