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High power conditioning of X-band variable power splitter and phase shifter
/ del Pozo Romano, Veronica (CERN) ; Bursali, Hikmet (CERN) ; Catalán Lasheras, Nuria (CERN) ; Grudiev, Alexej (CERN) ; Pitman, Sam (CERN) ; Serpico, Claudio (Sincrotrone Trieste) ; Syratchev, Igor (CERN) ; Volpi, Matteo (Melbourne U. ; CERN)
The three X-band test facilities currently at CERN aim at qualifying CLIC structures prototypes but are also extensively used to qualify X-band components operation at high power. In order to upgrade one of the facilities from a single test line to a double test line facility, a high power variable splitter and variable phase shifter have been designed and manufactured at CERN. [...]
CERN-ACC-2019-222; CLIC-Note-1192.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPRB064
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPRB064
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Initial Testing of Techniques for Large Scale Rf Conditioning for the Compact Linear Collider
/ Lucas, Thomas (Melbourne U. ; CERN) ; Boland, Mark (Saskatchewan U., CLS) ; Catalán Lasheras, Nuria (CERN) ; Giansiracusa, Paul (Melbourne U.) ; Grudiev, Alexej (CERN) ; Lefèvre, Thibaut (CERN) ; McMonagle, Gerard (CERN) ; Paszkiewicz, Jan (Oxford U. ; CERN) ; Rassool, Roger (Melbourne U.) ; Serpico, Claudio (Sincrotrone Trieste) et al.
Nominal operating conditions for the Compact Linear Collider (CLIC) 380 GeV requires 72 MV/m loaded accelerating gradients for a 180 ns flat-top pulse. Achieving this requires extensive RF conditioning which past tests have demonstrated can take several months per structure, when conditioned at the nominal repetition rate of 50 Hz. [...]
CERN-ACC-2018-137; CLIC-Note-1144.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPMK103
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPMK103
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High Power and High Repetition Rate X-band Power Source Using Multiple Klystrons
/ Volpi, Matteo (Melbourne U. ; CERN) ; Boland, Mark (Saskatchewan U., CLS) ; Catalán Lasheras, Nuria (CERN) ; Giansiracusa, Paul (Melbourne U.) ; Grudiev, Alexej (CERN) ; Lucas, Thomas (Melbourne U. ; CERN) ; McMonagle, Gerard (CERN) ; Paszkiewicz, Jan (Oxford U. ; CERN) ; Rassool, Roger (Melbourne U.) ; Serpico, Claudio (Sincrotrone Trieste) et al.
In July 2016, the first X-band test facility operating with two interwoven, 6 MW klystron pulses was commissioned at CERN. Outputting up to 46 MW after pulse compression, the new test stand allows testing of two structures concurrently with repetition rates up to 400 Hz in each line. [...]
CERN-ACC-2018-138.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPMK104
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPMK104
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Development of an high gradient, S-band, accelerating structure for the FERMI linac
/ Serpico, Claudio (Sincrotrone Trieste) ; Cudin, Ivan (Sincrotrone Trieste) ; Grudiev, Alexej (CERN)
The FERMI seeded free-electron laser (FEL), located at the Elettra laboratory in Trieste, is driven by a 200 meter long, S-band linac routinely operated at nearly 1.5 GeV and 10 Hz repetition rate [1]. The high energy part of the Linac is equipped with seven, 6 meter long Backward Traveling Wave (BTW) structures: those structures have small iris radius and a nose cone geometry which allows for high gradient operation [2]. [...]
CERN-ACC-2017-340.-
2017 - 3 p.
- Published in : 10.18429/JACoW-LINAC2016-MOPLR004
Fulltext: PDF;
In : 28th Linear Accelerator Conference, East Lansing, Michigan, 25 - 30 Sep 2016, pp.MOPLR004
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The X-Band FEL Collaboration
/ Pfingstner, Juergen (Oslo U.) ; Adli, Erik (Oslo U.) ; Aksoy, Avni (Ankara U., Inst. Accel. Technol.) ; Angal-Kalinin, Deepa (Daresbury) ; Bocchetta, Carlo (Jagiellonian U. (main)) ; Boland, Mark (ASP, Melbourne) ; Burt, Graeme (Lancaster U.) ; Catalán Lasheras, Nuria (CERN) ; Charitonidis, Anastasios (Natl. Tech. U., Athens) ; Charles, Tessa (ASP, Melbourne) et al.
The X-band FEL collaboration is currently designing an X-ray free-electron laser based on X-band acceleration technology. Due to the higher accelerating gradients achievable with X-band technology, a X-band normal conducting linac can be shorter and therefore potentially cost efficient than what is achievable with lower frequency structures. [...]
2015 - 7 p.
- Published in : 10.18429/JACoW-FEL2015-TUP013
Published version from JACoW: PDF; External link: JACOW
In : 37th International Free Electron Laser Conference, Daejeon, Korea, 23 - 28 Aug 2015, pp.TUP013
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8.
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R&D; of X-band Accelerating Structure for Compact XFEL at SINAP
/ Fang, Wencheng ; Gu, Qiang ; Zhang, Meng ; Zhao, Zhentang ; Aksoy, Avni ; Yavaş, Omer ; Angal-Kalinin, Deepa ; Clarke, James ; Bocchetta, Carlo ; Wawrzyniak, Adriana et al.
One compact hard X-ray FEL facility is being planned at SINAP, and X-band high gradient accelerating structure is the most competetive scheme for this plan. X-band accelerating structure is designed to switch between 60MV/m and 80MV/m, and carries out 6GeV and 8GeV by 130 meters linac respectively. [...]
CERN-ACC-2014-378.-
2014 - 4 p.
- Published in : (2014) , pp. TUPP127
Fulltext: PDF; External link: JACoW server
In : 27th Linear Accelerator Conference, Geneva, Switzerland, 31 Aug - 5 Sep 2014, pp.TUPP127
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Perspectives of the S-Band Linac of FERMI
/ Fabris, Alessandro ; Delgiusto, Paolo ; Milloch, Massimo ; Serpico, Claudio ; Grudiev, Alexej (CERN)
The S-band linac of FERMI, the seeded Free Electron Laser (FEL) located at the Elettra laboratory in Trieste, has reached the peak on-crest electron energy of 1.55 GeV required for FEL-2 with the present layout. Different ways are being considered to extend the operating energy of the S-band linac up to 1.8 GeV. [...]
CERN-ACC-2014-392.-
2014 - 3 p.
- Published in : (2014) , pp. MOPP024
Fulltext: PDF; External link: JACoW server
In : 27th Linear Accelerator Conference, Geneva, Switzerland, 31 Aug - 5 Sep 2014, pp.MOPP024
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10.
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X-band Technology for FEL Sources
/ D'Auria, Gerardo ; Di Mitri, Simone ; Serpico, Claudio ; Adli, Erik ; Aksoy, Avni ; Yavaş, Omer ; Angal-Kalinin, Deepa ; Clarke, James ; Bocchetta, Carlo ; Wawrzyniak, Adriana et al.
As is widely recognized, fourth generation Light Sources are based on FELs driven by Linacs. Soft and hard X-ray FEL facilities are presently operational at several laboratories, SLAC (LCLS), Spring-8 (SACLA), Elettra-Sincrotrone Trieste (FERMI), DESY (FLASH), or are in the construction phase, PSI (SwissFEL), PAL (PAL-XFEL), DESY (European X-FEL), SLAC (LCLS II), or are newly proposed in many laboratories. [...]
CERN-ACC-2014-393.-
2014 - 4 p.
- Published in : (2014) , pp. MOPP023
Fulltext: PDF; External link: JACoW server
In : 27th Linear Accelerator Conference, Geneva, Switzerland, 31 Aug - 5 Sep 2014, pp.MOPP023
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