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2019-12-23
13:21
[PUBDB-2019-05660] Conference Presentation
et al
Status of FLASH RF Systems, Recent Progress and Near Future Upgrades
Low-Level Radio Frequency Workshop, LLRF19, ChicagoChicago, USA, 29 Sep 2019 - 3 Oct 20192019-09-292019-10-03
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2019-12-23
13:15
[PUBDB-2019-05659] Conference Presentation
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On-line RF Amplitude and Phase Calibration for Vector Sum Control
Low-Level Radio Frequency Workshop, LLRF19, ChicagoChicago, USA, 29 Sep 2019 - 3 Oct 20192019-09-292019-10-03
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2019-12-23
10:08
[PUBDB-2019-05656] Talk (non-conference) (Invited)

Das HPRF-System des European XFEL
Johannes Gutenberg-Universität Mainz, MAMI Seminar, Seminar über spezielle Probleme der Beschleunigerphysik, DESYMainz, DESY, Germany, 14 Nov 2019 - 14 Nov 20192019-11-142019-11-14
Zwischen 2007 und 2016 wurde bei DESY in Hamburg der 3,4km lange European XFEL errichtet und 2017 in Betrieb genommen. Dieser erzeugt Röntgenstrahlung mit bisher nie da gewesenen Eigenschaften. [...]
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2019-12-19
12:24
[PUBDB-2019-05537] Poster
et al
Feedforward and Set-Point Optimization for SRF Cavity Operation
Low-Level Radio Frequency Workshop, LLRF19, ChicagoChicago, USA, 29 Sep 2019 - 3 Oct 20192019-09-292019-10-03
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2019-12-19
12:00
[PUBDB-2019-05523] Poster
et al
Operation Experience with Klystron Lifetime Management system at European-XFEL
Low-Level Radio Frequency Workshop, LLRF19, ChicagoChicago, USA, 29 Sep 2019 - 3 Oct 20192019-09-292019-10-03
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2019-11-25
14:44
[PUBDB-2019-04454] Poster
et al
RF Power Waveguide Distribution for the RF Gun of the European XFEL at DESY
39th International Free-Electron Laser Conference, FEL2019, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30
The first section of the European XFEL provides the 43 m long injector. The injector consists of a 1.3 GHz RF gun, a 1.3 GHz cryomodule, a 3.9 GHz cryomodule and an extensive diagnostic section. [...]
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2019-11-25
14:32
[PUBDB-2019-04452] Contribution to a conference proceedings
et al
Status of the Klystrons for the European XFEL after Commissioning and First User Operation Phase
39th International Free-Electron Laser Conference, FEL2019, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 Geneva : JACoW 127-129 ()
At present 26 RF stations for the European XFEL are in operation. Each of the RF stations consists of a HV modulator located on the DESY campus, up to 1600 m long 10 kV HV cables that connect the modulators and the HV pulse transformers located in the underground tunnel, the horizontal multi-beam klystron (MBK), and an air filled waveguide distribution system (WG) between the klystron and the cavities input couplers. [...]
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2019-11-25
14:07
[PUBDB-2019-04451] Poster

Experience of Using Highly Efficient Klystrons at the European XFEL
ARIES Workshop on Energy Efficient RF, UppsalaUppsala, Sweden, 18 Jun 2019 - 20 Jun 20192019-06-182019-06-20
The European X-ray Free-Electron Laser (XFEL) currently can deliver up to 6000 coherent laser pulses per second, with duration of less than 100 fs and with photon energy up to 19.1keV, to the experiments. To produce these laser pulses electrons have to be accelerated up to 17.5 GeV using a 2 km long accelerator based on superconducting radio frequency (RF) technology. [...]
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2019-11-04
16:25
[PUBDB-2019-03886] Contribution to a conference proceedings
et al
RF Power Waveguide Distribution for the RF Gun of the European XFEL at DESY
39th International Free-Electron Laser Conference, FEL2019, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 Geneva : JACoW 120-122 ()
The first section of the European XFEL provides the 43 m long injector. The injector consists of a 1.3 GHz RF gun, a 1.3 GHz cryomodule, a 3.9 GHz cryomodule and an extensive diagnostic section. [...]
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2019-10-01
12:06
[PUBDB-2019-03545] Contribution to a conference proceedings
et al
Status of Cryomodule Testing at CMTB for CW R&D
19th International Conference on RF Superconductivity, SRF2019, DresdenDresden, Germany, 30 Jun 2019 - 5 Jul 20192019-06-302019-07-05 0-3 ()
Cryo Module Test Bench (CMTB) is a facility to perform tests on European XFEL like superconducting accelerating modules. The 120 kW Inductive Output Tube (IOT) installed in the facility allows driving the eight superconducting cavities inside the module under test in a vector-sum or single cavity control fashion with average Continuous Wave (CW) gradients higher than 20 MV/m. [...]
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