An automated BPM characterization system for LEDA
An automated and highly accurate system for 'mapping' 5 cm-diameter beam position monitors (BPMs) used in the Low Energy Demonstrator Accelerator (LEDA) at Los Alamos is described. Two-dimensional data is accumulated from the four micro-stripline electrodes in the probe by sweeping an ante...
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Published in | AIP conference proceedings Vol. 451; no. 1 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
United States
10.12.1998
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Abstract | An automated and highly accurate system for 'mapping' 5 cm-diameter beam position monitors (BPMs) used in the Low Energy Demonstrator Accelerator (LEDA) at Los Alamos is described. Two-dimensional data is accumulated from the four micro-stripline electrodes in the probe by sweeping an antenna driven at the LEDA bunching frequency of 350 MHz in discrete steps across the aperture. These data are then used to determine the centroid, first- and third-order sensitivities of the BPM. These probe response coefficients are then embedded in the LEDA control system database to provide normalized beam position information to the operators. A short summary of previous systems we have fielded is given, along with their attributes and deficiencies that had a bearing on this latest design. Lessons learned from this system will, in turn, be used on the next mappers that are currently being designed for 15 cm and 2.5 cm BPMs. |
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AbstractList | An automated and highly accurate system for 'mapping' 5 cm-diameter beam position monitors (BPMs) used in the Low Energy Demonstrator Accelerator (LEDA) at Los Alamos is described. Two-dimensional data is accumulated from the four micro-stripline electrodes in the probe by sweeping an antenna driven at the LEDA bunching frequency of 350 MHz in discrete steps across the aperture. These data are then used to determine the centroid, first- and third-order sensitivities of the BPM. These probe response coefficients are then embedded in the LEDA control system database to provide normalized beam position information to the operators. A short summary of previous systems we have fielded is given, along with their attributes and deficiencies that had a bearing on this latest design. Lessons learned from this system will, in turn, be used on the next mappers that are currently being designed for 15 cm and 2.5 cm BPMs. |
Author | Power, J. Shurter, R. B. O'Hara, J. Gilpatrick, J. D. Ledford, J. |
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BackLink | https://www.osti.gov/biblio/21202375$$D View this record in Osti.gov |
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Snippet | An automated and highly accurate system for 'mapping' 5 cm-diameter beam position monitors (BPMs) used in the Low Energy Demonstrator Accelerator (LEDA) at Los... |
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SubjectTerms | ACCELERATORS ANTENNAS APERTURES BEAM BUNCHING BEAM MONITORING BEAM MONITORS BEAM POSITION CALIBRATION CONTROL SYSTEMS DESIGN ELECTRODES MHZ RANGE PARTICLE ACCELERATORS PARTICLE BEAMS PROBES |
Title | An automated BPM characterization system for LEDA |
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