Statistical theory of a self-seeded free electron laser with noise pedestal growth
Abstract
We study the impact of a spectral noise pedestal on the statistical properties of a self-seeded free electron laser (FEL). The broad pedestal is assumed to come from self amplified spontaneous emission (SASE) in the second stage of the self-seeding system and is uncorrelated with the narrowband amplified seed. An analytic description is developed based on the statistical theory of a one-dimensional FEL in the high gain linear regime. The theory shows good agreement with experimental data, which show that the presence of a SASE background can have a strong impact on the statistical behavior of self-seeding systems.
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1580787
- Alternate Identifier(s):
- OSTI ID: 1605018
- Grant/Contract Number:
- AC02-76SF00515; 2017-SLAC-100382
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Accelerators and Beams Journal Volume: 23 Journal Issue: 1; Journal ID: ISSN 2469-9888
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; Fluctuations & noise; X-ray beams & optics; Free-electron lasers; X-ray lasers
Citation Formats
Hemsing, Erik, Halavanau, Aliaksei, and Zhang, Zhen. Statistical theory of a self-seeded free electron laser with noise pedestal growth. United States: N. p., 2020.
Web. doi:10.1103/PhysRevAccelBeams.23.010701.
Hemsing, Erik, Halavanau, Aliaksei, & Zhang, Zhen. Statistical theory of a self-seeded free electron laser with noise pedestal growth. United States. https://doi.org/10.1103/PhysRevAccelBeams.23.010701
Hemsing, Erik, Halavanau, Aliaksei, and Zhang, Zhen. Thu .
"Statistical theory of a self-seeded free electron laser with noise pedestal growth". United States. https://doi.org/10.1103/PhysRevAccelBeams.23.010701.
@article{osti_1580787,
title = {Statistical theory of a self-seeded free electron laser with noise pedestal growth},
author = {Hemsing, Erik and Halavanau, Aliaksei and Zhang, Zhen},
abstractNote = {We study the impact of a spectral noise pedestal on the statistical properties of a self-seeded free electron laser (FEL). The broad pedestal is assumed to come from self amplified spontaneous emission (SASE) in the second stage of the self-seeding system and is uncorrelated with the narrowband amplified seed. An analytic description is developed based on the statistical theory of a one-dimensional FEL in the high gain linear regime. The theory shows good agreement with experimental data, which show that the presence of a SASE background can have a strong impact on the statistical behavior of self-seeding systems.},
doi = {10.1103/PhysRevAccelBeams.23.010701},
journal = {Physical Review Accelerators and Beams},
number = 1,
volume = 23,
place = {United States},
year = {Thu Jan 02 00:00:00 EST 2020},
month = {Thu Jan 02 00:00:00 EST 2020}
}
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https://doi.org/10.1103/PhysRevAccelBeams.23.010701
https://doi.org/10.1103/PhysRevAccelBeams.23.010701
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