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properties of the ALPHA-X beam line have been optimized in order to drive a FEL. We discuss the implementation of a focussing system consisting of a triplet of permanent magnet quadrupoles and a triplet of electromagnetic quadrupoles. The design of these devices has been carried out using the GPT (General Particle
Tracer*) code, which considers space charge effects and allows a realistic estimate of electron beam properties along the beam line. The latest measurements of energy spread and emittance will be presented. Currently we
have measured energy spreads less than 0.7% and, using a pepper pot, put an upper limit on the emittance of 5 pi mm mrad.
|Publication status||Published - Aug 2009|
|Event||31st International Free Electron Laser Conference - |
Duration: 31 Mar 2011 → …
|Other||31st International Free Electron Laser Conference|
|Period||31/03/11 → …|
- beam line
- compact FEL
- laser-plasma accelerators
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- 3 Finished
1/09/06 → 31/08/09