Author: Yepez, D.    [Yépez, D.]
Paper Title Page
TUP40 Photon Polarization Switch at ALBA 331
  • L. Torino, G. Benedetti, F.F.B. Fernández, U. Iriso, Z. Martí, J. Moldes, D. Yépez
    ALBA-CELLS, Cerdanyola del Vallès, Spain
  The polarization of the synchrotron radiation produced by a bending magnet can be selected by properly choosing the vertical emission angle. At beamlines this can be done by moving a slit to cut out unwanted polarization: this method is time consuming and not very reproducible. Another option is to fix the slit position and generate a local bump with the electron beam, and vary the emission angle at the source point such that the slit is illuminated with the desired polarization. At ALBA, we have implemented this option within the Fast Orbit Feedback, which allows to perform the angle switch in less than one minute without affecting the other beamlines. This report describes the implementation of this technique for the dipole beamline MISTRAL at the ALBA Synchrotron.  
poster icon Poster TUP40 [1.492 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-TUP40  
About • Received ※ 05 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 10 November 2022
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