Issue |
EPJ Web of Conferences
Volume 35, 2012
Heavy Ion Accelerator Symposium on Fundamental and Applied Science 2012
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Article Number | 02006 | |
Number of page(s) | 4 | |
Section | Applied Nuclear Science and Radiation Detector Development | |
DOI | https://doi.org/10.1051/epjconf/20123502006 | |
Published online | 30 October 2012 |
https://doi.org/10.1051/epjconf/20123502006
Single Pass Stripline Beam Position Monitor Design, Fabrication and Commissioning
Australian Synchrotron, 800 Blackburn Road, Clayton 3168, Victoria, Australia
To monitor the position of the electron beam during transport from the Booster Synchrotron to the Storage Ring at the Australian Synchrotron, a stripline Beam Position Monitor (BPM) has been designed, fabricated and installed in-house. The design was based on an existing stripline in the Booster and modified for the transfer line with a particular emphasis on ensuring the line impedance is properly matched to the detector system. The initial bench tests of a prototype stripline showed that the fabrication of the four individual striplines in the BPM was made precisely, each with a measured standing wave ratio (SWR) of 1.8 at 500 MHz. Further optimization for impedance matching will be done for new stripline BPMs. The linearity and gain factor was measured with the detector system. The detector system that digitizes the signals is an Instrumentation Technologies Brilliance Single Pass [1]. The results show an error of 1 mm at an offset (from the electrical centre) of 10 mm when a linear gain factor is assumed and an RMS noise of ~150 um that decreases to < 10 um with increasing signal intensity. The results were under our requirements for the transport line. The commissioning results of the stripline will also be presented showing a strong signal for an electron beam with an estimated integrated charge of ~50 nC with a position stability of 28 um (horizontal) and 75 um (vertical).
© Owned by the authors, published by EDP Sciences, 2012
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