Statistical theory of a self-seeded free electron laser with noise pedestal growth

Hemsing, Erik; Halavanau, Aliaksei; Zhang, Zhen

doi:10.1103/PhysRevAccelBeams.23.010701

Title: Statistical theory of a self-seeded free electron laser with noise pedestal growth

Journal Article · Thu Jan 02 00:00:00 EST 2020 · Physical Review Accelerators and Beams

DOI:https://doi.org/10.1103/PhysRevAccelBeams.23.010701· OSTI ID:1580787

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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.

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Research Organization:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-76SF00515; 2017-SLAC-100382

OSTI ID:: 1580787

Alternate ID(s):: OSTI ID: 1605018

Journal Information:: Physical Review Accelerators and Beams, Journal Name: Physical Review Accelerators and Beams Vol. 23 Journal Issue: 1; ISSN 2469-9888

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 5 works

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References (20)

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