Keyword: beam-diagnostic
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TUPA01 Pin Diode in a Medical Accelerator - a Proof of Principle and Preliminary Measurements controls, extraction, diagnostics, proton 208
 
  • A. Pozenel, M. Eichinger, S. Enke, M. Fürtinger, C. Kurfürst, M. Repovž
    EBG MedAustron, Wr. Neustadt, Austria
 
  The MedAustron Ion Therapy Center located south of Vienna, Austria, is a cancer treatment facility utilizing a particle therapy accelerator optimized for protons and carbon ions. The beam is injected into the synchrotron, accelerated to the desired speed and extracted to be guid-ed into one of four irradiation rooms. During extraction a certain amount of particles is lost which is measured with a PIN diode. In this paper the measurement method of this system is presented, as well as some measurement attempts documented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-TUPA01  
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WEPA02 Recent Progress of Bunch Resolved Beam Diagnostics for BESSY VSR diagnostics, photon, cavity, operation 379
 
  • J.G. Hwang, T. Atkinson, P. Goslawski, A. Jankowiak, M. Koopmans, M. Ries, A. Schälicke, G. Schiwietz
    HZB, Berlin, Germany
  • T. Mertens
    Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), Berlin, Germany
 
  BESSY VSR is an upgrade project of the existing storage ring BESSY II to create long and short photon pulses simultaneously for all beam lines by installing additional superconducting cavities with harmonic frequencies of 1.5 GHz and 1.75 GHz. The storage-ring operation will be influenced by a transient beam-loading effect of all cavities and by the complex filling pattern due to the disparity in the current of long and short bunches. This, in turn, could introduce a variation of beam trajectory, transverse profile, and length for the different bunches. This stimulates the development of bunch-resolved monitors for bunch length, beam size, filling pattern and beam trajectory displacement. In this paper, we show new developments of crucial beam diagnostics including measurements of the bunch-resolved temporal profile with a resolution of less than 1 ps FWHM and bunch-resolved profile with a resolution of less than 10 um rms. The upgrade of the booster beam-diagnostics will be discussed as well.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-WEPA02  
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WEPC17 X-ray Pinhole Camera in the Diagnostics Beamlime BL7B at PLS-II photon, electron, radiation, diagnostics 519
 
  • J.J. Ko, J.Y. Huang, D. Kim, D.W. Lee, B.H. Oh, S. Shin, J. U. Yu
    PAL, Pohang, Kyungbuk, Republic of Korea
  • M. Yoon
    POSTECH, Pohang, Kyungbuk, Republic of Korea
 
  The beam diagnostics beamline BL7B using synchrotron radiation with 8.6 keV critical photon energy from bending magnet has been used to measure the electron-beam size and photon-beam profile on real-time basis. After the completion of the PLS-II, the Compound Refractive Lens (CRL) system was implemented in the optical hutch at BL7B to measure the electron-beam size from X-ray imaging. But we could not have a good image due to short focal length caused by limited space of the optical hutch. To solve this problem a Pinole Camera is implemented in the front-end of BL7B in return for the beamline extension. The progresses on the new x-ray imaging system is introduced in this presentation.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-WEPC17  
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