1–6 Jun 2025
Taipei International Convention Center (TICC)
Asia/Taipei timezone

Study on a novel laser fast abort system for SuperKEKB

THPS038
5 Jun 2025, 15:30
2h
Exhibiton Hall A _Salmon (TWTC)

Exhibiton Hall A _Salmon

TWTC

Poster Presentation MC6.T25 Lasers Thursday Poster Session

Speaker

Rui Zhang (High Energy Accelerator Research Organization)

Description

To ensure stable and continuous commissioning of SuperKEKB, the machine protection system (MPS) plays a crucial role in safeguarding the accelerator's hardware from damage caused by beam loss. The response time of the MPS is a critical factor in mitigating hardware damage caused by the radiation of abnormal beams. In this study, we investigate a novel laser fast abort system for the SuperKEKB accelerator to reduce the response time of the beam abort trigger. The laser, serving as the trigger signal, is transmitted through free space. Compared to the traditional method, the transmission speed is 1.5 times faster than that in optical fiber. This faster signal transmission can shorten the abort time, enabling the realization of effective MPS. The optical design for long-distance laser beam propagation and measurement of coupled laser power have been studied. Investigation will be conducted regarding the long-term stability of the laser beam inside the accelerator tunnel.

Region represented Asia
Paper preparation format LaTeX

Author

Rui Zhang (High Energy Accelerator Research Organization)

Co-authors

Hidekazu Kakuno (Tokyo City University) Hikari Murakami (Kobayashi-Maskawa Institute) Hiroshi Kaji (High Energy Accelerator Research Organization) Hiroyuki Nakayama (High Energy Accelerator Research Organization) Kazuki Kitamura (Tokyo Metrolopolitan University) Keisuke Yoshihara (University of Hawaii System) Kenta Uno (High Energy Accelerator Research Organization) Shunya Kitada (Nagoya University) Toru Iijima (Nagoya University)

Presentation materials

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