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Persistent URL http://purl.org/net/epubs/work/10855638
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Record Id 10855638
Title Alignment of a Nozzle-Skimmer System for a Non Invasive Gas Jet Based Beam Profile Monitor
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Abstract A non-invasive gas jet-based beam profile monitor has been developed in the QUASAR Group at the Cockcroft Institute, UK. This shall allow monitoring ultra-low energy, as well as high energy particle beams in a way that causes least disturbance to both, primary beam and accelerator vacuum. In this setup a nozzle-skimmer system is used to generate a thin supersonic curtain- shaped gas jet. However, very small diameters of both, the gas inlet nozzle and subsequent skimmers, required to shape the jet, have caused problems in monitor operation in the past. Here, an image processing based technique is presented which follows after careful manual initial alignment using a laser beam. An algorithm has been implemented in Labview and offers a semi-automated and straightforward solution for all previously encountered alignment issues. The procedure is presented in detail and experimental results are shown.
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Language English (EN)
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Paper In Conference Proceedings In 2nd International Beam Instrumentation Conference (IBIC 2013), Oxford, UK, 16-19 Sep 2013, (2013). Cockcroft-13-42.PDF 2013
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