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2019-11-26
12:31
OpenAccess [PUBDB-2019-04484] Contribution to a conference proceedings
et al
FLASH Photoinjector Laser Systems
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 430-433 () [10.18429/JACOW-FEL2019-WEP048]  GO
The free-electron laser facility FLASH at DESY (Hamburg, Germany) operates two undulator beamlines simultaneously for FEL operation and a third for plasma acceleration experiments (FLASHForward). The L-band superconducting technology allows accelerating fields of up to 0.8 ms in length at a repetition rate of 10 Hz (burst mode). [...]
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2019-11-26
12:12
OpenAccess [PUBDB-2019-04482] Contribution to a conference proceedings
et al
The PolariX-TDS Project: Bead-Pull Measurements and High-Power Test on the Prototype
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 396-399 () [10.18429/JACOW-FEL2019-WEP036]  GO
A collaboration between DESY, PSI and CERN has been established to develop and build an advanced modular X- band transverse deflection structure (TDS) system with the new feature of providing variable polarization of the deflecting force. The prototype of the novel X-band TDS, the Polarizable X-band (PolariX) TDS, was fabricated at PSI following the high-precision tuning-free production process developed for the C-band Linac of the SwissFEL project. [...]
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2019-11-22
14:28
OpenAccess [PUBDB-2019-04436] Contribution to a conference proceedings
et al
Frequency-Detuning Dependent Transient Coaxial RF Coupler Kick
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 599-602 () [10.18429/JACOW-FEL2019-THP007]  GO
We model and characterize a transverse kick which results from the coaxial RF coupler in the L-band RF gun at the Photo Injector Test Facility at DESY in Zeuthen (PITZ). The RF pulse is typically 600 µs long and used to produce a train of up to 2700 electron bunches. [...]
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2019-11-19
10:24
OpenAccess [PUBDB-2019-04296] Conference Presentation
et al
The Injection System and the Injector Complex for PETRA IV
10th International Particle Accelerator Conference, IPAC'19, MelbourneMelbourne, Australia, 19 May 2019 - 24 May 20192019-05-192019-05-24  GO
PETRA IV project is to upgrade PETRA III to a synchrotron radiation source with an ultra-low emittance. Due to the small dynamic aperture of the PETRA IV storage ring, a horizontal on-axis injection is prepared. [...]
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2019-11-19
09:50
[PUBDB-2019-04295] Contribution to a conference proceedings
et al
Long Pulse Kicker for European XFEL Beam Distribution
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 3 pp. () [doi.org/10.18429/JACoW-FEL2019-WEP014]  GO
A special feature of the European XFEL X-ray laser is the possibility to distribute the electron bunches of one beam pulse to different free-electron laser (FEL) beam-lines. This is achieved through a combination of kickers and a Lambertson DC septum. [...]
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2019-11-19
09:39
[PUBDB-2019-04294] Contribution to a conference proceedings
et al
Fast Kicker System for European XFEL Beam Distribution
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 4 pp. () [doi.org/10.18429/JACoW-FEL2019-WEP013]  GO
A special feature of the European XFEL X-ray laser is the possibility to distribute the electron bunches of one beam pulse to different free-electron laser (FEL) beam-lines. This is achieved through a combination of kickers and a Lambertson DC septum. [...]
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2019-11-18
16:06
[PUBDB-2019-04281] Contribution to a conference proceedings
et al
First Characterization of the Photon Beam at the European XFEL in July, 2017
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 180–183 () [10.18429/JACoW-FEL2019-TUP058]  GO
North branch of the European XFEL, SASE1, produced first light on May 3rd, 2017, and XFEL operation has been gradually improved then. First characterization of the photon beam has been performed in July / August 2017, just before an official starting date of user experiments (September 1st, 2017). [...]
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2019-11-18
15:57
OpenAccess [PUBDB-2019-04280] Contribution to a conference proceedings
et al
Parallel Operation of SASE1 and SASE3 at the European XFEL
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 25-28 () [10.18429/JACOW-FEL2019-TUA01]  GO
At the European XFEL a hard X-Ray SASE FEL (SA-SE1) and a soft X-Ray SASE FEL (SASE3) share in series the same electron beamline. This configuration couples the operation conditions for both undulators and their subsequent user experiments in terms of SASE in-tensity and background. [...]
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2019-11-14
15:50
[PUBDB-2019-04224] Contribution to a conference proceedings
et al
Harmonic Lasing Experiment at the European XFEL
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 TUA04 ()
Harmonic lasing is an opportunity to extend the photon energy range of existing and planned X-ray FEL user facilities. Contrary to nonlinear harmonic generation, harmonic lasing can provide a much more intense, stable, and narrow-band FEL beam. [...]
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2019-11-13
16:18
[PUBDB-2019-04202] Contribution to a conference proceedings
et al
First Characterization of the Photon Beam at the European XFEL in July, 2017
39th International Free-Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 Geneva : JACoW, CERN TUP058 ()
This report present the first characterization of the photon beam properties from SASE1 FEL at the European XFEL. Development of the amplification process has been traced from the level of the radiation pulse energy in sub-microJoule level (beginning of high gain linear regime) up to mJ level (saturation regime). [...]
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