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MOP011 Safety Considerations for Shield Door Control Systems controls, operation, PLC, cathode 59
  • H.A. Watkins, W.C. Barkley, C.D. Hatch, D. Martinez, D. Rai, E.I. Simakov
    LANL, Los Alamos, New Mexico, USA
  Funding: Los Alamos National Lab LDRD
The Accelerator Operations and Technology division is upgrading the control system for a 33-ton shield door that will be used when the Cathodes and RF Interactions in Extremes (CARIE) accelerator begins operations. The door was installed in the 1990¿s but safety standards such as ISO 13849-1 have since emerged which provide safety requirements and guidance on the principles for the design and integration of safety-related parts of a control system. Applying this standard, a safety controller, safety relays and a light curtain barrier have been added to eliminate injury and exposure of personnel to potential hazards during door operations.
LANL Report #: LA-UR-23-25064
poster icon Poster MOP011 [0.827 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2023-MOP011  
About • Received ※ 31 August 2023 — Revised ※ 07 September 2023 — Accepted ※ 13 September 2023 — Issue date ※ 22 September 2023
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TUP010 Intermediate Frequency Circuit Components for Integration of on-Chip Amplifier With THz Detectors detector, electron, electronics, operation 204
  • R. Yadav, S. Preu
    IMP, TU Darmstadt, Darmstadt, Germany
  • A. Penirschke
    THM, Friedberg, Germany
  Funding: The work is supported by the German Federal Ministry of Education and Research (BMBF) under contract no. 05K22RO1 for applications at HZDR, Dresden, LAS at KIT and DELTA at TU Dortmund.
The Zero-Bias Schottky Diode (ZBSD) and field effect transistor (TeraFET) based Terahertz (THz) detectors be- come more and more important for beam diagnosis and alignment at THz generating accelerator facilities. The roll- off factor of the detectors at higher THz frequencies requires wide-band amplifiers to enhance the IF signal from a few µW to nW well above the noise floor of the following post detection electronics. Connecting external amplifiers to the detectors via rf cables would enhance the signal losses even further and degrade the signal to noise ratio (SNR). In order to maximize the SNR, it is necessary to have on-chip amplifier integrated in the intermediate frequency (IF) circuit of the detector in the same housing. In this work, we present the design and parametric analysis of components for transition to an IF circuit, which will be integrated in the ZBSD and TeraFET on chip with amplifier in the same housing. The design analysis has been done to find the optimal parameters. The broader IF circuit will enhance the detector resolution to capture pulses in the picosecond range with the help of fast post detection electronics.
[*] R. Yadav et al., doi:10.3390/s23073469
[**] S. Preu et al., doi:10.1109/TTHZ.2015.2482943
[***] A. Penirschke et al., doi:10.1109/IRMMW-THz.2014.6956027
poster icon Poster TUP010 [1.453 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2023-TUP010  
About • Received ※ 11 September 2023 — Revised ※ 12 September 2023 — Accepted ※ 25 September 2023 — Issue date ※ 26 September 2023
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TUP035 Multi-Tile Zinc-Oxide-Based Radiation-Hard Fast Scintillation Counter for Relativistic Heavy-Ion Beam Diagnostics: Prototype Design and Test detector, heavy-ion, radiation, diagnostics 263
  • M. Saifulin, P. Boutachkov, C. Trautmann, B. Walasek-Höhne
    GSI, Darmstadt, Germany
  • E.I. Gorokhova
    GOI, St Petersburg, Russia
  • P. Rodnyi, I.D. Venevtsev
    SPbPU, St. Petersburg, Russia
  • C. Trautmann
    TU Darmstadt, Darmstadt, Germany
  Funding: DLR funded this work within the ERA. Net RUS Plus Project RUSST2017-051.
This contribution summarizes the design and performance test of a prototype radiation-hard fast scintillation detector based on the indium-doped zinc oxide ceramic scintillator, ZnO(In). The prototype detector has been developed for use as a beam diagnostics tool for high-energy beam lines of the SIS18 synchrotron at the GSI Helmholtz Center for Heavy Ion Research GmbH. The new detector consists of multiple ZnO(In) scintillating ceramics tiles stacked on the front and back sides of a borosilicate light guide. The performance of the detector was tested in comparison to a standard plastic scintillation detector with 300 MeV/u energy 40Ar, 197Au, 208Pb, and 238U ion beams. The investigated prototype exhibits 100% counting efficiency and radiation hardness of a few orders of magnitude higher than the standard plastic scintillation counter. Therefore, it provides an improved beam diagnostics tool for relativistic heavy-ion beam measurements.
* doi:10.18429/JACoW-IBIC2019-MOPP005
** doi:10.18429/JACoW-IBIC2022-TUP29
*** doi:10.18429/JACoW-IBIC2022-WE3I1
poster icon Poster TUP035 [16.714 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2023-TUP035  
About • Received ※ 13 July 2023 — Accepted ※ 12 September 2023 — Issue date ※ 15 September 2023  
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TH1I01 LCLS-II Timing System and Synchronous Bunch Data Acquisition timing, MMI, controls, linac 453
  • C. Bianchini Mattison, K.H. Kim, P. Krejcik, M. Weaver, S. Zelazny
    SLAC, Menlo Park, California, USA
  The new timing system for the LCLS-II SC linac and FEL meets the challenging requirements for delivering multiple interleaved timing patterns to a number of different destinations at rates up to 1 MHz. The timing patterns also carry information on bunch charge and beam energy to prevent inadvertent selection of beam dumps beyond their rated beam power. Beamline instruments are equipped with a timing receiver that performs bunch-by-bunch synchronous data acquisition based on the timing pattern for that location. Data is buffered in on-board memory for up to 106 machine pulses (1 second at 1 MHz). The large data volume can be locally processed and and analysed before transmission to clients on the network. Commissioning and experience with the new system will be presented.  
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DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2023-TH1I01  
About • Received ※ 24 October 2023 — Revised ※ 25 October 2023 — Accepted ※ 16 December 2023 — Issue date ※ 17 December 2023
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