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Title |
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| WEXXPLM1 |
Amplified Emission of a Soft-X Ray Free-Electron Laser Based on Echo-Enabled Harmonic Generation |
2230 |
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- E. Allaria, L. Badano, G. De Ninno, S. Di Mitri, B. Diviacco, W.M. Fawley, N.S. Mirian, G. Penco, P. Rebernik Ribič, S. Spampinati, C. Spezzani, M. Trovò
Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
- G. De Ninno
University of Nova Gorica, Nova Gorica, Slovenia
- E. Ferrari, E. Prat
PSI, Villigen PSI, Switzerland
- D. Garzella
CEA, Gif-sur-Yvette, France
- V. Grattoni
DESY, Hamburg, Germany
- E. Hemsing
SLAC, Menlo Park, California, USA
- M.A. Pop
MAX IV Laboratory, Lund University, Lund, Sweden
- E. Roussel
PhLAM/CERLA, Villeneuve d’Ascq, France
- D. Xiang
Shanghai Jiao Tong University, Shanghai, People’s Republic of China
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We report the first evidence of substantial gain in a soft-X ray Free Electron Laser (FEL) based on Echo-Enabled Harmonic Generation (EEHG). The experiment was focused on harmonics 36 (~7.3nm) and 45 (5.8 nm) and clearly demonstrated the expected EEHG capability of generating powerful and coherent FEL pulses, with strongly reduced sensitivity to electron-beam fluctuations. The experiment was carried out at FERMI, the seeded FEL user facility at Elettra-Sincrotrone Trieste.
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Slides WEXXPLM1 [11.410 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-WEXXPLM1
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| About • |
paper received ※ 17 May 2019 paper accepted ※ 23 May 2019 issue date ※ 21 June 2019 |
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| WEPRB021 |
Commissioning of S-band Cavity Test Facility at Elettra for Conditioning of High Gradient Structures for the Fermi Linac Upgrade |
2846 |
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- N. Shafqat, L. Giannessi, C. Masciovecchio, M. Milloch, C. Serpico, M. Svandrlik, M. Trovò
Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
- M. Bopp, R. Zennaro
PSI, Villigen PSI, Switzerland
- T.G. Lucas
The University of Melbourne, Melbourne, Victoria, Australia
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FERMI is the seeded Free Electron Laser (FEL) user facility at Elettra laboratory in Trieste, operating in the VUV to soft X-rays spectral range. In order to extend the FEL spectral range to shorter wavelengths, a feasibility study for increasing the Linac energy from 1.5 GeV to 1.8 GeV is actually going on. A short prototype of a new High Gradient (HG) S-band accelerating structure has been built in collaboration with Paul Scherrer Institute (PSI). The new structures are intended to replace the present Backward Travelling Wave (BTW) sections and tailored to be operated at a gradient of 30 MV/m. For RF conditioning and high power testing of prototype, a Cavity Test Facility (CTF) is commissioned at FERMI. The test facility is equipped with RF pulse compressor system and a dedicated diagnostic for breakdown rate (BDR) measurements and events localization. In this paper we present in detail cavity test facility of FERMI and high power testing of the first prototype.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-WEPRB021
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| About • |
paper received ※ 08 April 2019 paper accepted ※ 20 May 2019 issue date ※ 21 June 2019 |
|
| Export • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
|
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