| Paper |
Title |
Page |
| MOPPH048 |
The ARC-EN-CIEL FEL Proposal
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146 |
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- C. Bruni, O. V. Chubar, J.-M. Filhol, A. Loulergue, L. Nahon
SOLEIL, Gif-sur-Yvette
- P. Bosland, B. Carré, M.-E. Couprie, G. Devanz, D. Garzella, O. Gobert, Ph. Hollander, M. Jablonka, M. Labat, G. Lambert, M. Luong, F. Meot, P. Monot, A. Mosnier, G. Petite, O. Tcherbakoff, B. Visentin
CEA, Gif-sur-Yvette
- J.-R. Marquès
LULI, Palaiseaux
- H. Monard, J.-M. Ortega
CLIO/ELYSE/LCP, Orsay
- A. Rousse
LOA, Palaiseau
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ARC-EN-CIEL (Accelerator-Radiation for Enhanced Coherent Intense Extended Light aims at providing the user community with coherent femtosecond light pulses covering from UV to soft X ray in France. Phase 1 aims at exploiting the different sources of seeding, in particular Harmonic generation in Gas (HHG), to improve the longitudinal coherence and shortening the output radiation wavelength in a rather compact device. Phase 2 uses a CW 10 KHz 1 GeV superconducting linear accelerator delivering high charge, subpicosecond, low emittance electron bunches for HHG seeded High Gain harmonic Generation extending to 1 nm. In phase 3, fs undulator sources in the IR, VUV and X ray and a FEL oscillator in the 10 nm range will be implemented on ERL beam loops for beam current or energy enhancement. Electron plasma acceleration and fs hard X ray produced by Thomson Scattering are also foreseen. Preliminary studies are carried out in the frame of the EUROFEL collaboration, concerning the electro-optical measurement at ELYSE, carbon nanotubes, synchronisation and beam shaping for the gun, seeding with high harmonics produced in gas on SPARC and compensation of microphonics for the Linac.
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| THPPH016 |
First Experience with the Machine Protections System of FLASH
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587 |
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- 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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