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Optical afterburner for an X-ray FEL as a tool for ... - European XFEL

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FXE Workshop, Budapest, 9 Dec. 2009<br />

E.L. Saldin, E.A. Schneidmiller, M.V. Yurkov<br />

Conclusions<br />

• Two-color schemes resolve jitter issue: proven at FLASH<br />

• For Europe<strong>an</strong> X<strong>FEL</strong> two scenarios are proposed, c<strong>an</strong> be<br />

realized simult<strong>an</strong>eously<br />

• <strong>Optical</strong> Replica Synthesizer would be very useful<br />

• Minimal extension of X<strong>FEL</strong>: compact dispersion section<br />

behind SASE undulator (use edge radiation)<br />

• Next step: install undulator reson<strong>an</strong>t to optical frequencies<br />

• Robust on-line monitoring of SASE pulse duration is<br />

possible<br />

• Similar <strong>afterburner</strong>s c<strong>an</strong> be installed behind SASE2 <strong>an</strong>d<br />

SASE3<br />

25

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