Journal Article

PUBDB-2022-03162

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png FEL pulse duration evolution along undulators at FLASH

Mohammadi Bidhendi, M. (Corresponding author)DESY* ; Bermudez Macias, I. J.XFEL.EU* ; Ivanov, R.XFEL.EU* ; Yurkov, M.DESY* ; Duesterer, S. (Corresponding author)DESY*

2022
MDPI Basel

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Please use a persistent id in citations: doi:10.3390/app12147048  doi:10.3204/PUBDB-2022-03162

Abstract: Self-amplified spontaneous emission (SASE) free-electron lasers (FELs) deliver ultrashort pulses with femtosecond duration. Due to the fluctuating nature of the radiation properties of SASE FELs, characterizing the FEL pulses on a single shot basis is necessary. Therefore we use terahertz streaking to characterize the temporal properties of ultra-short extreme ultraviolet pulses from the free electron laser in Hamburg (FLASH). In this study, the pulse duration as well as the pulse energy are measured in a wavelength range from 8 to 34 nm as function of undulators contributing to the lasing process. The results are compared to one-dimensional and three-dimensional, time-dependent FEL simulations.

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Contributing Institute(s):

1. FLASH Photonen-Diagnose und Steuerungen (FS-FLASH-D)
2. Beschleunigerphysik (MPY)
3. Optical Lasers (XFEL_DO_ID_LAS)

Research Program(s):

1. 621 - Accelerator Research and Development (POF4-621) (POF4-621)
2. 6G2 - FLASH (DESY) (POF4-6G2) (POF4-6G2)

Experiment(s):

1. FLASH2 Beamline FL21 (FLASH2)
2. FLASH 2020+ Project

Appears in the scientific report 2022

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