Misalignment effects on the performance and stability of x-ray free electron laser oscillator
Abstract
We report on the effects of transverse spatial misalignment on the performance and stability of x-ray free electron laser oscillators (XFELOs). For this study, we adopt the FEL driven paraxial resonator model in which the transverse profile of the radiation field is represented by Gauss-Hermite mode expansion. Then, we apply Gaussian optics for transporting the radiation field along with the misalignment in the optical cavity. We divide the misalignment into relevant categories of static and periodic types to understand their effects on FEL gain, lasing, and saturation. After that, we associate the first order moments of the radiation field to that of driven simple harmonic oscillator models to identify regions of instability. Throughout this report, we validate our models and analyses via theoretical calculations, analytical approximations, and simulations.
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1887597
- Alternate Identifier(s):
- OSTI ID: 1960019
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Accelerators and Beams Journal Volume: 25 Journal Issue: 9; Journal ID: ISSN 2469-9888
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; misalignment; free electron laser; x-ray FEL oscillator; paraxial resonators
Citation Formats
Tiwari, Ganesh, and Lindberg, Ryan R. Misalignment effects on the performance and stability of x-ray free electron laser oscillator. United States: N. p., 2022.
Web. doi:10.1103/PhysRevAccelBeams.25.090702.
Tiwari, Ganesh, & Lindberg, Ryan R. Misalignment effects on the performance and stability of x-ray free electron laser oscillator. United States. https://doi.org/10.1103/PhysRevAccelBeams.25.090702
Tiwari, Ganesh, and Lindberg, Ryan R. Thu .
"Misalignment effects on the performance and stability of x-ray free electron laser oscillator". United States. https://doi.org/10.1103/PhysRevAccelBeams.25.090702.
@article{osti_1887597,
title = {Misalignment effects on the performance and stability of x-ray free electron laser oscillator},
author = {Tiwari, Ganesh and Lindberg, Ryan R.},
abstractNote = {We report on the effects of transverse spatial misalignment on the performance and stability of x-ray free electron laser oscillators (XFELOs). For this study, we adopt the FEL driven paraxial resonator model in which the transverse profile of the radiation field is represented by Gauss-Hermite mode expansion. Then, we apply Gaussian optics for transporting the radiation field along with the misalignment in the optical cavity. We divide the misalignment into relevant categories of static and periodic types to understand their effects on FEL gain, lasing, and saturation. After that, we associate the first order moments of the radiation field to that of driven simple harmonic oscillator models to identify regions of instability. Throughout this report, we validate our models and analyses via theoretical calculations, analytical approximations, and simulations.},
doi = {10.1103/PhysRevAccelBeams.25.090702},
journal = {Physical Review Accelerators and Beams},
number = 9,
volume = 25,
place = {United States},
year = {Thu Sep 15 00:00:00 EDT 2022},
month = {Thu Sep 15 00:00:00 EDT 2022}
}
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https://doi.org/10.1103/PhysRevAccelBeams.25.090702
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