7–12 May 2023
Venice, Italy
Europe/Zurich timezone

First Beam Heating Studies with the Laser Heater for FLASH2020+

SUPM094
7 May 2023, 14:00
4h
Sala Mosaici 2

Sala Mosaici 2

Poster Presentation Student Poster Session

Speaker

Dmitrii Samoilenko (Universität Hamburg)

Description

Within the framework of FLASH2020+, substantial parts of the injector of the FEL user facility FLASH have been upgraded during a nine-month shutdown in 2022 to improve the electron bunch properties in preparation for FEL operation with external seeding starting in 2025. As part of the injector upgrade, a laser heater has been installed upstream of the first bunch compression chicane to control the microbunching instability in the linear accelerator by a defined increase of the uncorrelated energy spread in the electron bunches. In this paper, we present first results of beam heating studies at FLASH. Measurements of the induced energy spread are compared to results obtained by particle tracking simulations.

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Author

Dmitrii Samoilenko (Universität Hamburg)

Co-authors

Andreas Schöps (Deutsches Elektronen-Synchrotron DESY) Carsten Mai (TU Dortmund University) Christoph Mahnke (Deutsches Elektronen-Synchrotron DESY) Christopher Gerth (Deutsches Elektronen-Synchrotron DESY) Evgeny Schneidmiller (Deutsches Elektronen-Synchrotron DESY) Johann Zemella (Deutsches Elektronen-Synchrotron DESY) Dr Lucas Schaper (Deutsches Elektronen-Synchrotron DESY) Lutz Winkelmann (Deutsches Elektronen-Synchrotron DESY) Dr Mikhail Yurkov (Deutsches Elektronen-Synchrotron DESY) Dr Pardis Niknejadi (Deutsches Elektronen-Synchrotron DESY) Philipp Amstutz (Deutsches Elektronen-Synchrotron DESY) Dr Siegfried Schreiber (Deutsches Elektronen-Synchrotron DESY) Wolfgang Hillert (Universität Hamburg)

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