31 May 2011 FERMI@Elettra, a seeded free electron laser source for a broad scientific user program
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Abstract
After less than two years of commissioning the FERMI@Elettra free electron laser is now entering into the operation phase and is providing light to the first user experiments. To reach the final ambitious goals of providing high power coherent pulses with fundamental wavelengths down to 4 nm, the system will need further studies and additional commissioning time in 2011 when fine tuning of the major systems such as the electron gun and the main accelerator will take place. Nevertheless, FERMI is already able to provide light with unique characteristics allowing Users to perform experiments not possible with other facilities. Based on a 1.5 GeV electron linear accelerator, FERMI@Elettra has two seeded FEL lines that cover the whole spectral range from 100 nm down to 4 nm with fully coherent pulses. The use of the high gain harmonic generation scheme initiated by a tunable laser in the UV allows FERMI to produce light characterized by both transverse and full temporal coherence. The use of specially designed undulators allows full control of the FEL polarization and can be continuously varied from linear to circular in any orientation or ellipticity. Here we will report about the first results and the future plans for FERMI@Elettra.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. Di Mitri, S. Di Mitri, E. M. Allaria, E. M. Allaria, P. Cinquegrana, P. Cinquegrana, P. Craievich, P. Craievich, M. Danailov, M. Danailov, A. Demidovich, A. Demidovich, G. De Ninno, G. De Ninno, B. Diviacco, B. Diviacco, W. Fawley, W. Fawley, L. Froelich, L. Froelich, L. Giannessi, L. Giannessi, R. Ivanov, R. Ivanov, M. Musardo, M. Musardo, I. Nikolov, I. Nikolov, G. Penco, G. Penco, P. Sigalotti, P. Sigalotti, S. Spampinati, S. Spampinati, C. Spezzani, C. Spezzani, M. Trovò, M. Trovò, M. Veronese, M. Veronese, } "FERMI@Elettra, a seeded free electron laser source for a broad scientific user program", Proc. SPIE 8078, Advances in X-ray Free-Electron Lasers: Radiation Schemes, X-ray Optics, and Instrumentation, 807802 (31 May 2011); doi: 10.1117/12.886491; https://doi.org/10.1117/12.886491
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