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Persistent URL http://purl.org/net/epubs/work/51205
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Record Id 51205
Title Timing and synchronisation considerations for the NLS project
Abstract The NLS project team is designing a UK-based ultrashort light pulse facility covering the whole spectrum from the terahertz to the soft X-ray. It will be based on a suite of sources including seeded FELs, conventional lasers and undulators. Experiments will frequently be multi-beam and will often depend on precise management of the pulse timings. With pulse durations of ~20 fs or less the aim will be to reduce timing jitter to the 10 - 20 fs level. In addition to the needs of the NLS's users, stable operation of the machine itself will also require adequate timing control. In particular reproducible FEL operation will depend on good temporal overlap between the seed photons and the electron bunches. This paper covers both the underlying issues, (e.g. choice of pulse rates, passive and active timing management, requirements specification) and also the approaches taken in specific NLS areas (e.g. choice of clock and distribution system, management of electron bunch timing, management of fluctuations in beam transport paths). Subsystem jitter budgets are presented.
Organisation CLF , CLF-LSD , ASTeC , ASTeC-AP , CI , STFC
Keywords CLF 2009-2010 , ASTeC 2009-2010 , light source , Physics , synchronisation , laser , timing , accelerator
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Language English (EN)
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Paper In Conference Proceedings In Free-Electron Laser Conference, 2009 (FEL09), Liverpool, United Kingdom, 24-28 Aug 2009, (2009). 2009 Proc. FEL09 … the NLS project.doc 2009