Keyword: instrumentation
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MOPP003 Beam Current Measurements with Sub-Microampere Resolution using CWCT and BCM-CW-E linac, electronics, electron, acceleration 62
 
  • F. Stulle, L. Dupuy, E.T. Touzain
    BERGOZ Instrumentation, Saint Genis Pouilly, France
  • W.A. Barth, P. Forck, M. Miski-Oglu, T. Sieber
    GSI, Darmstadt, Germany
 
  The CWCT current transformer and its accompanying BCM-CW-E electronics allow accurate, high-resolution beam current measurements. This is achieved by combining a high-droop current transformer with low-noise sample-and-hold electronics. Thanks to a fast response time on the microseconds level the system can be applied not only to CW beams but also macropulses. Pulse repetition rates may range from 10MHz to 500MHz, rendering CWCT and BCM-CW-E suitable for a wide variety of accelerators. We report on test bench measurements achieving sub-microampere resolution. And we discuss results of beam measurements performed at the cwLINAC (GSI), which confirm the expected performance.  
poster icon Poster MOPP003 [6.507 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2019-MOPP003  
About • paper received ※ 04 September 2019       paper accepted ※ 08 September 2019       issue date ※ 10 November 2019  
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MOPP034 Beam Instrumentation Challenges for the Fermilab PIP-II Accelerator linac, MEBT, emittance, laser 180
 
  • V.E. Scarpine, N. Eddy, D. Frolov, M.A. Ibrahim, L.R. Prost, R.M. Thurman-Keup
    Fermilab, Batavia, Illinois, USA
 
  Funding: This work was supported by the U.S. Department of Energy under contract No. DE-AC02-07CH11359.
Fermilab is undertaking the development of a new 800 MeV superconducting RF linac to replace it’s present normal conducting 400 MeV linac. The PIP-II linac warm front-end consists of an ion source, LEBT, RFQ and MEBT which includes an arbitrary pattern bunch chopper, to generate a 2.1 MeV, 2mA H beam. This is followed immediately by a series of superconducting RF cryomodules to produce a 800 MeV beam. Commissioning, operate and safety present challenges to the beam instrumentation. This paper describes these beam instrumentation challenges and the choices made for PIP-II.
 
poster icon Poster MOPP034 [0.999 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2019-MOPP034  
About • paper received ※ 10 September 2019       paper accepted ※ 11 September 2019       issue date ※ 10 November 2019  
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WEPP045 Development of an Automated BPM Test Bench linac, controls, diagnostics, software 649
 
  • M. Schwarz, H. Podlech
    IAP, Frankfurt am Main, Germany
  • H. Höltermann, B. Koubek, U. Ratzinger, W. Schweizer, D. Strehl, C. Trageser
    BEVATECH, Frankfurt, Germany
 
  The Institute for Applied Physics (IAP) of Goethe University Frankfurt has a long history in developing DTL-cavities and further essential components of particle accelerators from design and simulation up to tuning and final testing. In recent times, the development of beam diagnostic components for the hadron accelerator projects has become increasingly important. Bevatech is designing and setting up linear accelerators, RF and vacuum technology for research laboratories and enterprises worldwide. In a joint effort a simple, efficient and mobile beam position monitor (BPM) test bench has been developed and will be further improved for future tests and the calibration of beam position monitors. It is fully automated using single-board computers and microcontrollers to obtain the essential calibration data like electrical offset, button sensitivity and the 2D response map. In addition, initial tests with the implementation and evaluation of the Libera signal processing units Single Pass H and Spark were promising.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2019-WEPP045  
About • paper received ※ 03 September 2019       paper accepted ※ 10 September 2019       issue date ※ 10 November 2019  
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