Characterization of the FERMI@Elettra's on-line photon energy spectrometer

Cristian Svetina; Alessandro Abrami; Ivan Cudin; Claudio Fava; Simone Gerusina; Riccardo Gobessi; Luca Rumiz; Giovanni Sostero; Marco Zangrando; Daniele Cocco

doi:10.1117/12.892707

28 September 2011 Characterization of the FERMI@Elettra's on-line photon energy spectrometer

Cristian Svetina, Alessandro Abrami, Ivan Cudin, Claudio Fava, Simone Gerusina, Riccardo Gobessi, Luca Rumiz, Giovanni Sostero, Marco Zangrando, Daniele Cocco

Author Affiliations +

Proceedings Volume 8139, Advances in X-Ray/EUV Optics and Components VI; 81390J (2011) https://doi.org/10.1117/12.892707
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

FERMI@Elettra is a Free Electron Laser (FEL) under commissioning at Sincrotrone Trieste. It will provide an almost fully coherent and transform limited radiation with a very high brilliance in the VUV/Soft X-ray range. This article describes the working principles of the Variable Line Spacing diffraction gratings applied to the photon energy spectrometer as well as the design concept, ray tracing and efficiency simulations. Metrological results at various spatial frequencies of the optics involved and the first characterization results with FEL radiation will be shown.

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Cristian Svetina, Alessandro Abrami, Ivan Cudin, Claudio Fava, Simone Gerusina, Riccardo Gobessi, Luca Rumiz, Giovanni Sostero, Marco Zangrando, and Daniele Cocco "Characterization of the FERMI@Elettra's on-line photon energy spectrometer", Proc. SPIE 8139, Advances in X-Ray/EUV Optics and Components VI, 81390J (28 September 2011); https://doi.org/10.1117/12.892707

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