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| WG312 |
Optical Klystron Enhancement to SASE X-ray FELs
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- Z. Huang, Y. T. Ding, P. Emma
SLAC, Menlo Park, California
- V. Kumar
ANL, Argonne, Illinois
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We study the optical klystron enhancement to SASE FELs in theory and simulations. In contrast to a seeded FEL, the optical klystron gain in a SASE FEL is not sensitive to any phase mismatch between the radiation and the microbunched electron beam. The FEL performance with the addition of four optical klystrons located at the undulator long breaks in the Linac Coherent Light Source (LCLS) shows significant improvement if the uncorrelated energy spread at the undulator entrance can be controlled to a very small level. In addition, FEL saturation at shorter X-ray wavelengths (around 1.0 Angstrom) within the LCLS undulator length becomes possible.
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Slides
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