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Tuesday, July 24th - h. 15.00 Auditorium
Bruno Touschek
S. Biedron
(Argonne)
Status of
the LEUTL FEL Project
Abstract
The possibility of using self-amplified spontaneous emission (SASE) to achieve a peak X-ray brightness nearly 10 orders of magnitude greater than available at today's third-generation light sources has in recent years generated tremendous excitement in the synchrotron light source community. With continued refinement in electron beam sources, electron beam control and metrology, and undulator magnet technology we are rapidly approaching turning this dream into a reality. The Free-Electron Laser (FEL) project at the Advanced Photon Source's (APS) Low Energy Undulator Test Line (LEUTL) has recently achieved saturation in the visible and ultraviolet wavelength regimes using the self-amplified spontaneous emission (SASE) process. A discussion of the
system overview, recent results, including measurements of intensity, spectra,
mode size and divergence, and microbunching, as well as future endeavours
will be discussed. In addition, a description of wavelength reduction by
exotic schemes will be discussed.
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