Polarization measurement of free electron laser pulses in the VUV generated by the variable polarization source FERMI

P. Finetti; E. Allaria; B. Diviacco; C. Callegari; B. Mahieu; J. Viefhaus; M. Zangrando; G. De Ninno; G. Lambert; E. Ferrari; J. Buck; M. Ilchen; B. Vodungbo; N. Mahne; C. Svetina; C. Spezzani; S. Di Mitri; G. Penco; M. Trovò; W. M. Fawley; P. Rebernik; D. Gauthier; C. Grazioli; M. Coreno; B. Ressel; A. Kivimäki; T. Mazza; L. Glaser; F. Scholz; J. Seltmann; P. Gessler; J. Grünert; A. De Fanis; M. Meyer; A. Knie; S. P. Moeller; L. Raimondi; F. Capotondi; E. Pedersoli; O. Plekan; M. Danailov; A. Demidovich; I. Nikolov; A. Abrami; J. Gautier; J. Lüning; P. Zeitoun; L. Giannessi

doi:10.1117/12.2062717

8 October 2014 Polarization measurement of free electron laser pulses in the VUV generated by the variable polarization source FERMI

P. Finetti, E. Allaria, B. Diviacco, C. Callegari, B. Mahieu, J. Viefhaus, M. Zangrando, G. De Ninno, G. Lambert, E. Ferrari, J. Buck, M. Ilchen, B. Vodungbo, N. Mahne, C. Svetina, C. Spezzani, S. Di Mitri, G. Penco, M. Trovò, W. M. Fawley, P. Rebernik, D. Gauthier, C. Grazioli, M. Coreno, B. Ressel, A. Kivimäki, T. Mazza, L. Glaser, F. Scholz, J. Seltmann, P. Gessler, J. Grünert, A. De Fanis, M. Meyer, A. Knie, S. P. Moeller, L. Raimondi, F. Capotondi, E. Pedersoli, O. Plekan, M. Danailov, A. Demidovich, I. Nikolov, A. Abrami, J. Gautier, J. Lüning, P. Zeitoun, L. Giannessi

Author Affiliations +

Proceedings Volume 9210, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications II; 92100K (2014) https://doi.org/10.1117/12.2062717
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

FERMI, based at Elettra (Trieste, Italy) is the first free electron laser (FEL) facility operated for user experiments in seeded mode. Another unique property of FERMI, among other FEL sources, is to allow control of the polarization state of the radiation. Polarization dependence in the study of the interaction of coherent, high field, short-pulse ionizing radiation with matter, is a new frontier with potential in a wide range of research areas. The first measurement of the polarization-state of VUV light from a single-pass FEL was performed at FERMI FEL-1 operated in the 52 nm-26 nm range. Three different experimental techniques were used. The experiments were carried out at the end-station of two different beamlines to assess the impact of transport optics and provide polarization data for the end user. In this paper we summarize the results obtained from different setups. The results are consistent with each other and allow a general discussion about the viability of permanent diagnostics aimed at monitoring the polarization of FEL pulses.

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P. Finetti, E. Allaria, B. Diviacco, C. Callegari, B. Mahieu, J. Viefhaus, M. Zangrando, G. De Ninno, G. Lambert, E. Ferrari, J. Buck, M. Ilchen, B. Vodungbo, N. Mahne, C. Svetina, C. Spezzani, S. Di Mitri, G. Penco, M. Trovò, W. M. Fawley, P. Rebernik, D. Gauthier, C. Grazioli, M. Coreno, B. Ressel, A. Kivimäki, T. Mazza, L. Glaser, F. Scholz, J. Seltmann, P. Gessler, J. Grünert, A. De Fanis, M. Meyer, A. Knie, S. P. Moeller, L. Raimondi, F. Capotondi, E. Pedersoli, O. Plekan, M. Danailov, A. Demidovich, I. Nikolov, A. Abrami, J. Gautier, J. Lüning, P. Zeitoun, and L. Giannessi "Polarization measurement of free electron laser pulses in the VUV generated by the variable polarization source FERMI", Proc. SPIE 9210, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications II, 92100K (8 October 2014); https://doi.org/10.1117/12.2062717

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