Freiburg 2008 – scientific programme

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T: Fachverband Teilchenphysik

T 70: Beschleunigerphysik II

T 70.4: Talk

Thursday, March 6, 2008, 17:30–17:45, KGI-HS 1019

First measurments at the optical replica synthesizer experiment at FLASH — •Jörn Bödewadt¹, Shaukat Khan¹, Volker Ziemann², Gergana Angelova², Peter van der Meulen³, Peter Salen³, Mathias Hamberg³, Mats Larsson³, Holger Schlarb⁴, Axel Winter¹, Evgueni Saldin⁴, Evgeny Schneidmiller⁴, Mikhail Yurkov⁴, Bernhard Schmidt⁴, and Atoosa Meseck⁵ — ¹Universität Hamburg — ²Uppsala University — ³Stockholm University — ⁴DESY — ⁵BESSY

In summer 2007, a new device for the measurement of the longitudinal electron bunch profile was installed at the free-electron laser FLASH at DESY. Its principle is based on the generation of a coherent light pulse (replica) that resembles the electron bunch shape. This replica can be analyzed with standard methods (frequency resolved optical gating) for short laser pulses. The commissioning and first measurements were done, verifying the laser-electron interaction.

The principle of the optical replica synthesizer, the experimental setup as well as first results are presented.