Electro-optic techniques for temporal profile characterisation of relativistic Coulomb fields and coherent synchrotron radiation

S.P. Jamison, G. Berden, A.M. MacLeod, D.A. Jaroszynski, B. Redlich, A.F.G. Van der Meer, W.A. Gillespie

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Abstract

Electro-optic (EO) detection of relativistic Coulomb fields offers a method for non-destructive longitudinal profile measurements of ultrashort bunches. Techniques for single-shot EO characterisation of Coulomb fields which have been developed or demonstrated at the FELIX free electron laser (FEL) facility are discussed. In addition, recent FELIX experiments have used single-shot electro-optic detection to measure the temporal profile of the far-infrared electric field pulse of coherent synchrotron radiation (CSR), initial results of which are reported here. Such time-resolved CSR measurements have the potential for a completely non-invasive bunch longitudinal profile determination, without the ambiguity in profile that is present in CSR spectral measurements.
Original languageEnglish
Pages (from-to)305-308
Number of pages3
JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume557
Issue number1
DOIs
Publication statusPublished - 1 Feb 2006

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Keywords

  • electro-optic
  • longitudinal profile
  • electron bunch
  • coherent synchrotron radiation

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