LCLS-II commissioning and operation with high-repetition-rate CW FELs

LCLS-II first stage commissioning is completed in the summer of 2023, with demonstration of 93 kHz electron beam and 1 kHz FELs using the superconducting CW linac. Operation-based electron beam and FEL commissioning has been continued with the goal of ramping up beam rate, improving the FEL performance, and developing advanced FEL operation modes. We started 33 kHz x-ray FELs to user experiments from 2025. The latest machine performance, commissioning challenges, and next-step plan will be discussed in this paper

Publication Details

Journal
JACOW
Published
2025-11-05
DOI
https://doi.org/10.18429/jacow-ipac2025-wezn2
Primary Topic
Particle Accelerators and Free-Electron Lasers
Type
article
Field-Weighted Citation Impact
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article

LCLS-II commissioning and operation with high-repetition-rate CW FELs

JACOW
Particle Accelerators and Free-Electron Lasers
article

LCLS-II commissioning and operation with high-repetition-rate CW FELs

article en

Abstract

LCLS-II first stage commissioning is completed in the summer of 2023, with demonstration of 93 kHz electron beam and 1 kHz FELs using the superconducting CW linac. Operation-based electron beam and FEL commissioning has been continued with the goal of ramping up beam rate, improving the FEL performance, and developing advanced FEL operation modes. We started 33 kHz x-ray FELs to user experiments from 2025. The latest machine performance, commissioning challenges, and next-step plan will be discussed in this paper

JACOW
Industry, innovation and infrastructure
Openalex Percentile: Top 48%
Particle Accelerators and Free-Electron Lasers
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LCLS-II commissioning and operation with high-repetition-rate CW FELs · JACOW (2025) | TGRS Research Map | TGRS