From Event: SPIE Optical Engineering + Applications, 2016
FERMI, the Italian Free Electron Laser user facility, provides VUV/soft x-ray photons pulses with unprecedented high brilliance and coherence. The unique design of EIS-TIMER is conceived to exploit such kind of non-linear coherent experiments to probe collective vibrational and electronic properties of matter at the nanoscale. After the proof of principle experiment successfully carried out at the DiProI beamline employing a simplified and compact setup (mini-TIMER), the EIS-TIMER beamline has been installed and commissioned. The beamlines employs 24 mirrors and three photon beams in order to create a wide set of transient grating able to reach Q vectors so far impossible to probe.
In the presentation the scientific case, the commissioning results as well as the future development of the beamline will be shown. The future project nano-TIMER will be described in detail with particular attention to it's unique optical scheme mainly composed by diffraction gratings.
Cristian Svetina, "The EIS-TIMER beamline: transient grating spectroscopy at FERMI
(Conference Presentation)," Proc. SPIE 9963, Advances in X-Ray/EUV Optics and Components XI, 996302 (Presented at SPIE Optical Engineering + Applications: August 31, 2016; Published: 2 November 2016); https://doi.org/10.1117/12.2237396.5186142036001.
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