Publications by Douglas Bett

Design, testing and performance results of a high-resolution, broad-band, low-latency stripline beam position monitor system

6th International Particle Accelerator Conference, IPAC 2015 (2015) 1136-1138

NB Kraljevic, DR Bett, T Bromwich, PN Burrows, GB Christian, MR Davis, C Perry

Copyright © 2015 CC-BY-3.0 and by the respective authors. A high-resolution, low-latency beam position monitor (BPM) system has been developed for use in particle accelerators and beamlines that operate with trains of particle bunches with bunch separations as low as several tens of nanoseconds, such as future linear electronpositron colliders and free-electron lasers. The system was tested with electron beams in the extraction line of the Accelerator Test Facility at the High Energy Accelerator Research Organization (KEK) in Japan. The fast analogue front-end signal processor is based on a single-stage RF down-mixer. The processor latency is 15.6 +-0.1 ns. A position resolution below 300 nm has been demonstrated for beam intensities of around 1 nC, with single-pass beam.

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