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| MOPP015 |
Charge Detection System for the CLARA/VELA Facility |
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- S.L. Mathisen, Y.M. Saveliev, R.J. Smith
STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
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The CLARA/VELA facility at Daresbury Laboratory combines an FEL test facility and an electron accelerator for scientific and industrial applications, capable of providing up to 40 MeV electrons, with an eventual goal of 250 MeV. Accurate measurement of the bunch charges in a wide range (1 - 250 pC) at a repetition rate up to 400 Hz is required. We present a new system of analogue electronics developed to interface with existing and future bunch charge measurement devices (wall current monitors, faraday cups, etc.) to measure the bunch charges accurately and precisely. The system is based on a charge amplifier with switchable sensitivity, dark current gating and on-board self-calibration. Results of circuit simulations, offline calibration tests and online beam tests of a prototype system are presented.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2019-MOPP015
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| About • |
paper received ※ 04 September 2019 paper accepted ※ 07 September 2019 issue date ※ 10 November 2019 |
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