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| WEP050 |
Status of Chirped Pulse Laser Shaping for the PITZ Photoinjector |
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- C. Koschitzki, Y. Chen, J.D. Good, M. Groß, M. Krasilnikov, G. Loisch, R. Niemczyk, F. Stephan
DESY Zeuthen, Zeuthen, Germany
- E. Khazanov, S. Mironov
IAP/RAS, Nizhny Novgorod, Russia
- T. Lang, L. Winkelmann
DESY, Hamburg, Germany
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The beam emittance at FEL facilities like European XFEL and FLASH is dominated by the emittance sources in the electron injector. Shaping of the laser pulses that are employed to release electrons from the cathode of a photo injector, was shown in theory to allow improved beam emittance starting from the electron emission process. At the photo injector test facility at DESY in Zeuthen (PITZ) a laser system capable of controlling the temporal and spatial profile of laser pulses is being set up to demonstrate the predicted emittance reduction experimentally. The presentation will show its current capabilities to provide temporally and spatially shaped laser pulses from a pulse shaper operating at infrared (IR) wavelengths. Furthermore, results from a shape preserving conversion into fourth harmonic ultra-violet (UV), as needed for the photo emission process, will be presented.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-FEL2019-WEP050
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| About • |
paper received ※ 21 August 2019 paper accepted ※ 17 September 2019 issue date ※ 05 November 2019 |
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