23–28 Aug 2026
America/Los_Angeles timezone

Cavity-based XFEL at LCLS

TUC01
25 Aug 2026, 15:00
20m
Contributed Oral Presentation Session 6: FEL Oscillators and Infrared FEL (IR-FEL) FEL Oscillators and Infrared FEL (Contributed)

Speakers

Aliaksei Halavanau (SLAC National Accelerator Laboratory) Zhirong Huang (SLAC National Accelerator Laboratory)

Description

The cavity-based XFEL (CBXFEL) is a novel X-ray source based on an X-ray Free-Electron Laser (XFEL) encased in an optical cavity. This concept, when built, will offer substantial improvements in X-ray brightness and coherence compared to existing high-gain SASE sources. A joint project is underway at SLAC National Accelerator Laboratory, in collaboration with Argonne National Laboratory and the RIKEN SPring-8 Center, to demonstrate CBXFEL technology with the first seven hard X-ray undulators of the LCLS. We report on recent progress in CBXFEL construction efforts. We describe the initial optical alignment of the cavity Bragg mirrors, the performance of the photon diagnostics, and future plans for CBXFEL lasing. We especially focus on the challenges of CBXFEL operation and our solutions. Finally, we demonstrate that our measurements are corroborated by theoretical and numerical calculations, further proving the cavity-based concept.

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Authors

Alberto Lutman (SLAC National Accelerator Laboratory) Aliaksei Halavanau (SLAC National Accelerator Laboratory) An Le (SLAC National Accelerator Laboratory) Diling Zhu (SLAC National Accelerator Laboratory) Dr Giulia Lanza (SLAC National Accelerator Laboratory) Dr Heinz-Dieter Nuhn (SLAC National Accelerator Laboratory) Dr Jeremy Mock (SLAC National Accelerator Laboratory) Jingyi Tang (Stanford University) Dr Josh Stein (Argonne National Laboratory) Dr Kenji Tamasaku (SPring-8) Maria Alessandra Montironi (SLAC National Accelerator Laboratory) Mario Balcazar (SLAC National Accelerator Laboratory) Dr Marion White (Argonne National Laboratory) Mei Bai (SLAC National Accelerator Laboratory) Namrata Balakrishnan (SLAC National Accelerator Laboratory) Ryan Lindberg (Argonne National Laboratory) Taito Osaka (SPring-8) Dr Takahiro Sato (SLAC National Accelerator Laboratory) Dr Wayne Lewis (SLAC National Accelerator Laboratory) XAVIER PERMANYER (SLAC National Accelerator Laboratory) Yuri Shvyd'ko (Argonne National Laboratory) Zhirong Huang (SLAC National Accelerator Laboratory)

Presentation materials

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