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| WEPP33 |
The FACET-II Data Acquisition System |
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- S.J. Gessner
SLAC, Menlo Park, California, USA
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The Facility for Advanced Accelerator Experimental Tests (FACET) at SLAC utilizes over 80 digital cameras to monitor and diagnose particle beams and laser systems. The cameras are part of the EPICS control system and run on areaDetector IOCs. Experiments at FACET acquire data from multiple cameras simultaneously. This presents a challenge because the data rate easily exceeds 10 Gbps for multiple cameras operating at 10-30 Hz, thus preventing data acquisition via Channel Access. Our system avoids this problem by writing the images to a local shared hard drive. Critically, we make use of the SLAC EVG-EVR timing system to coordinate image acquisition and ensure synchronicity across multiple cameras. The image acquisition features are combined with SLAC’s Beam Synchronous Acquisition (BSA) features for a unified data acquisition framework.
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Poster WEPP33 [1.032 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2021-WEPP33
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| About • |
paper received ※ 13 September 2021 paper accepted ※ 27 September 2021 issue date ※ 02 October 2021 |
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