Speaker
Gianluca Geloni
(European X-Ray Free-Electron Laser)
Description
We review the theory of optical klystrons with SASE FEL applications in mind. Previous theories miss terms in the power gain factor that cannot be neglected, and we illustrate differences between the previously known analytical expressions, new ones discussed here, and numerical calculations. We then consider the use of optical klystrons for electron energy-spread and radiation coherence-time diagnostics purposes.
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Author
Gianluca Geloni
(European X-Ray Free-Electron Laser)
Co-authors
Marc Guetg
(Deutsches Elektronen-Synchrotron DESY)
Evgeny Schneidmiller
(Deutsches Elektronen-Synchrotron DESY)
Svitozar Serkez
(European X-Ray Free-Electron Laser)
