Author: Hiller, N.
Paper Title Page
TUPG56 Design of a Time-resolved Electron Diagnostics Using THz Fields Excited in a Split Ring Resonator at FLUTE 475
  • M. Yan, E. Bründermann, S. Funkner, A.-S. Müller, M.J. Nasse, G. Niehues, R. Ruprecht, M. Schedler, T. Schmelzer, M. Schuh, M. Schwarz, B. Smit
    KIT, Karlsruhe, Germany
  • M.M. Dehler, N. Hiller, R. Ischebeck, V. Schlott
    PSI, Villigen PSI, Switzerland
  • T. Feurer, M. Hayati
    Universität Bern, Institute of Applied Physics, Bern, Switzerland
  Time-resolved electron diagnostics with ultra-high temporal resolution is increasingly required by the state-of-the-art accelerators. Strong terahertz (THz) fields, excited in a split ring resonator (SRR), have been recently proposed to streak electron bunches for their temporal characterisation. Thanks to the high amplitude and frequency of the THz field, temporal resolution down to the sub-femtosecond range can be expected. We are planning a proof-of-principle experiment of the SRR time-resolved diagnostics at the accelerator test-facility FLUTE (Ferninfrarot Linac und Test Experiment) at the Karlsruhe Institute of Technology. The design of the experimental chamber has been finished and integrated into the design layout of the FLUTE accelerator. Beam dynamics simulations have been conducted to investigate and optimise the performance of the SRR diagnostics. In this paper, we present the design layout of the experimental setup and discuss the simulation results for the optimised parameters of the accelerator and the SRR structure.  
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DOI • reference for this paper ※ DOI:10.18429/JACoW-IBIC2016-TUPG56  
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WEPG46 KALYPSO: A Mfps Linear Array Detector for Visible to NIR Radiation 740
  • L. Rota, B.M. Balzer, M. Caselle, A.-S. Müller, M.J. Nasse, G. Niehues, P. Schönfeldt, M. Weber
    KIT, Eggenstein-Leopoldshafen, Germany
  • C. Gerth, B. Steffen
    DESY, Hamburg, Germany
  • N. Hiller, A. Mozzanica
    PSI, Villigen PSI, Switzerland
  • D.R. Makowski, A. Mielczarek
    TUL-DMCS, Łódź, Poland
  Funding: This work is partially funded by the BMBF contract number: 05K16VKA.
The acquisition rate of commercially available line array detectors is a bottleneck for beam diagnostics at high-repetition rate machines like synchrotron lightsources or FELs with a quasi-continuous or macro-pulse operation. In order to remove this bottleneck we have developed KALYPSO, an ultra-fast linear array detector operating at a frame-rate of up to 2.7 Mfps. The KALYPSO detector mounts InGaAs or Si linear array sensors to measure radiation in the near-infrared or visible spectrum. The FPGA-based read-out card can be connected to an external data acquisition system through a high-performance PCI-Express 3.0 data-link, allowing continuous data taking and real-time data analysis. The detector is fully synchronized with the timing system of the accelerator and other diagnostic instruments. The detector is currently installed at several accelerators: ANKA, the European XFEL and TELBE. We present the detector and the results obtained with Electro-Optical Spectral Decoding (EOSD) setups.
DOI • reference for this paper ※ DOI:10.18429/JACoW-IBIC2016-WEPG46  
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