25-27 June 2018
Stockholm, Alba Nova
Europe/Stockholm timezone

Direct measurement of the pulse duration and frequency chirp of seeded XUV free electron laser pulses

25 Jun 2018, 17:00
2h
Board: 15
Contributed poster Poster session

Speaker

Armin Azima

Description

We report on a direct time-domain measurement of the temporal properties of a seeded free-electron laser pulse in the extreme ultraviolet spectral range. Utilizing the oscillating electromagnetic field of terahertz radiation, a single-shot THz streak-camera was applied for measuring the duration as well as spectral chirp of the generated intense XUV pulses in a fully parasitic way. The experiment was conducted at the seeding experiment of FLASH, the free electron laser user facility at DESY in Hamburg, Germany. The reported diagnostic capability is a prerequisite to tailor amplitude, phase and frequency distributions of XUV FEL beams on demand. In particular, it opens up a new window of opportunities for advanced coherent spectroscopic studies making use of the high degree of temporal coherence expected from a seeded FEL pulse.

Primary authors

Armin Azima Dr Joern Boedewadt (former DESY Hamburg) Mr Oliver Becker (University of Hamburg) Dr Stefan Düsterer (Deutsches Elektronen Synchrotron - DESY) Dr Nagitha Ekanayake (former DESY Hamburg) Rosen Ivanov (Deutsches Elektronen Synchrotron - DESY, Notkestr. 85, Hamburg, Germany) Dr Mehdi Kazemi (DESY Hamburg) Mr Leslie Lamberto Lazzarion (University of Hamburg, Institute for experimental physics) Dr Christoph Lechner (University of Hamburg, Institute of experimental physics) Dr Theophilos Maltezopoulos (XFEL GmbH) Dr Bastian Manschwetus (DESY Hamburg) Dr Velizar Miltchev (University of Hamburg, Institute of experimental physics) Dr Jost Müller (DESY Hamburg) Dr Tim Plath (former TU Dortmund) Dr Andreas Przystawik (DESY Hamburg) Prof. Jörg Rosbach (University of Hamburg, Institute for experimental physics) Prof. Wilfried Wurth (University of Hamburg, Institute of experimental physics) Prof. Markus Drescher (University of Hamburg, Institute of experimental physics)

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