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Appl. Sci. 2017, 7(6), 640;

FERMI: Present and Future Challenges

ENEA C.R. Frascati, Via E. Fermi 45, Frascati, 00044 Rome, Italy
Elettra Sincrotrone Trieste, I-34149 Basovizza, Trieste, Italy
Author to whom correspondence should be addressed.
Academic Editor: Kiyoshi Ueda
Received: 12 May 2017 / Revised: 12 June 2017 / Accepted: 12 June 2017 / Published: 21 June 2017
(This article belongs to the Special Issue X-Ray Free-Electron Laser)
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We present an overview of the FERMI (acronym of Free Electron laser Radiation for Multidisciplinary Investigations) seeded free electron laser (FEL) facility located at the Elettra laboratory in Trieste. FERMI is now in user operation with both the FEL lines FEL-1 and FEL-2, covering the wavelength range between 100 nm and 4 nm. The seeding scheme adopted for photon pulse production makes FERMI unique worldwide and allows the extension of table top laser experiments in the extreme ultraviolet/soft X-ray region. In this paper, we discuss how advances in the performance of the FELs, with respect to coherent control and multi-colour pulse production, may push the development of original experimental strategies to study non-equilibrium behaviour of matter at the attosecond-nanometer time-length scales. This will have a tremendous impact as an experimental tool to investigate a large array of phenomena ranging from nano-dynamics in complex materials to phenomena that are at the heart of the conversion of light into other forms of energy. View Full-Text
Keywords: free electron laser; non-linear optics; four wave mixing; coherent control free electron laser; non-linear optics; four wave mixing; coherent control

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Giannessi, L.; Masciovecchio, C. FERMI: Present and Future Challenges. Appl. Sci. 2017, 7, 640.

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