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Development of a multimode fiber system for remote transverse beam imaging at CLEAR

WERT01
2 Sept 2026, 09:00
30m
Rainbow Theatre (Whistler Conference Centre)

Rainbow Theatre

Whistler Conference Centre

4010 Whistler Way, Whistler, BC
Invited Oral Presentation MC07: Data Acquisition and Processing Platforms MC07: Data Acquisition and Processing Platforms

Speaker

Qiyuan Xu (University of Liverpool, European Organization for Nuclear Research, Cockcroft Institute)

Description

Remote transverse beam imaging by relaying scintillation light through a multimode fiber (MMF) offers a means of relocating cameras and associated electronics away from accelerator areas with high radiation levels, but practical implementation requires calibration of the fiber relay system. This contribution presents an acquisition platform developed and deployed at CERN's CLEAR facility for collecting images of a Chromox screen under electron beam and controlled laser illumination, using one camera viewing the screen directly and two cameras recording the outputs of two different 15 m MMFs. The system enables automated collection of calibration data using laser illumination, together with electron beam data for subsequent evaluation. During the experiment, the platform archived 268,294 frames across the three cameras, while individual spatial calibration scans could be completed in less than 30 min. The resulting datasets provide calibration and beam data for transverse beam image reconstruction studies.

Funding Agency

Work supported by the Science and Technology Facilities Council through the LIV.INNO Centre for Doctoral Training under Grant No. ST/W006766/1, and by CERN.

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Supervisor's name Carsten P. Welsch
Supervisor's email welsch@liverpool.ac.uk
Paper submission software LATeX

Author

Qiyuan Xu (University of Liverpool, European Organization for Nuclear Research, Cockcroft Institute)

Co-authors

Alexander Hill (University of Liverpool, Cockcroft Institute) Antonio Gilardi (European Organization for Nuclear Research) Carsten Welsch (University of Liverpool, Cockcroft Institute) Federico Roncarolo (European Organization for Nuclear Research) Georges Trad (European Organization for Nuclear Research) Hao Zhang (Cockcroft Institute, University of Liverpool) Michele Bergamaschi (European Organization for Nuclear Research) Stephane Burger (European Organization for Nuclear Research) Wilfrid Farabolini (European Organization for Nuclear Research)

Presentation materials

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