Journal Article PUBDB-2021-01418

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Study of temporal, spectral, arrival time and energy fluctuations of SASE FEL pulsesb

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2021
Soc. Washington, DC

Optics express 29(7), 10491 - () [10.1364/OE.419977]
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Abstract: Self-amplified spontaneous emission (SASE) pulses delivered by free electron lasers (FELs) are inherently fluctuating sources; each pulse varies in energy, duration, arrival time and spectral shape. Therefore, there is strong demand for a full characterization of the properties of SASE radiation, which will facilitate more precise interpretation of the experimental data taken at SASE FELs. In this paper, we present an investigation into the fluctuations of pulse duration, spectral distribution, arrival time and pulse energy of SASE XUV pulses at FLASH, both on a shot-to-shot basis and on average over many pulses. With the aid of simulations, we derived scaling laws for these parameters and disentangled the statistical SASE fluctuations from accelerator-based fluctuations and measurement uncertainties.

Classification:

Contributing Institute(s):
  1. FLASH Photonen-Diagnose und Steuerungen (FS-FLASH-D)
  2. FLASH Photonen-Strahlführungen und Optiken (FS-FLASH-B)
  3. Maschinen Koordination FLASH (MFL)
  4. Beschleunigerphysik (MPY)
  5. Strahlkontrollen (MSK)
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. Facility (machine) FLASH2

Appears in the scientific report 2021
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Medline ; Creative Commons Attribution CC BY 4.0 ; DOAJ ; OpenAccess ; Article Processing Charges ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Essential Science Indicators ; Fees ; IF < 5 ; JCR ; PubMed Central ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection
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Private Collections > >DESY > >M > >MPY > MPY
Private Collections > >DESY > >FS > FS-FLASH-D
Private Collections > >DESY > >FS > FS-FLASH-B
Private Collections > >DESY > >M > MSK
Private Collections > >DESY > >M > MFL
Document types > Articles > Journal Article
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 Record created 2021-03-16, last modified 2025-07-16


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