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FERMI (acronym for Free Electron laser Radiation for Multidisciplinary Investigations) is the seeded free electron laser (FEL) facility in operation for external users next to the third-generation synchrotron radiation facility Elettra. Unique among the FEL sources currently operating in the ultraviolet and soft x-ray range worldwide, FERMI has been developed to provide fully coherent ultrashort (10-100 femtosecond) pulses with a peak brightness ten billion times higher than that made available by third-generation light sources. FERMI opens unique opportunities for exploring the structure and transient states of condensed matter, soft matter and low-density matter using a variety of diffraction, scattering and spectroscopy techniques. |
Spintronics Fundamental spatial limits of all-optical magnetization switching
Microscopy Enhancing FEL imaging resolution with OAM and ptychography
Phononics time-domain Brillouin scattering at large wavevectors
Nanoscience Interference of phonons and effects on heat propagation
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FERMI Beamlines and Photon diagnostics
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Free electron laser source
![Free electron laser source](/images/Documents/FERMI Machine/PADReS/Images/Thumb/Machine_thumb.png)
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A linear accelerator is used to generate a relativistic electron beam that can be injected into each of two separate FEL lines, configured as single- and double-harmonic-cascade setups. An external laser is used to seed each of these lines.
Read more...
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Machine status
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Photon beam parameters
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Call for proposals
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Organization
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Publications
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FERMI 2.0 Conceptual Design Report
![FERMI 2.0 CDR cover](/images/Documents/FERMI Machine/Machine/CDR/fermi2-cdr.jpg)
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The FERMI FELs are evolving to improve the source performances and to accomplish new needs coming from the user community according to the lessons learned in the first ten years of user operation. In the next future, an upgrade aimed at extending the emission spectral range of FEL-2 to the water window and to allow pulse durations below the characteristic lifetime of atomic core holes in this energy range, is planned. A Conceptual Design Report focused on the upgrade strategy is available at the link: FERMI 2.0 Conceptual Design Report.
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Last Updated on Thursday, 13 June 2024 11:06