| Paper |
Title |
Page |
| THPPH016 |
First Experience with the Machine Protections System of FLASH
|
587 |
| |
- L. Fröhlich
Uni HH, Hamburg
- M. Görler, P. Göttlicher, D. Noelle, D. Pugachov, H. Schlarb, S. Schreiber, M. Staack, M. Werner
DESY, Hamburg
- A. Hamdi, M. Luong, J. Novo
CEA, Gif-sur-Yvette
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Superconducting LINACs provide high brightness beams with substantial beam power. The design of the TTF2 machine is 70 kW beam power at the dump, XFEL will run 2 dump systems with 600 kW each. From this numbers is becomes very clear, that protections systems are required. This paper will present the design and implementation of the machine protection system of the FLASH facility, and will report on the first operational experience.
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| THPPH017 |
Experience with the Photoinjector Laser at FLASH
|
590 |
| |
- S. Schreiber, M. Görler, K. Klose, M. Staack
DESY, Hamburg
- L. Fröhlich
Uni HH, Hamburg
- I. H. Templin, I. Will
MBI, Berlin
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The photoinjector laser system of FLASH is a key element for the generation of high quality electron beams required for a stable and reliable operation of the facility. FLASH is the VUV and soft X-ray FEL user facilitry at DESY. FLASH is based on superconducting accelerating structures allowing to accelerate electron bunch trains of a length of up to 800 us with a repetition rate of 10 Hz. Based on the standard 1 MHz pattern, the laser provides to some extend a flexible bunch train structure. We report on operational issues and on the performance of the laser system with emphasis on its transverse and longitudinal properties, energy and timing stability.
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