Eur.XFEL

Latest additions:
2019-11-11
15:59
[PUBDB-2019-04122] Journal Article
et al
Characterizing transmissive diamond gratings as beam splitters for the hard X-ray single-shot spectrometer of the European XFEL
The European X-ray Free Electron Laser (EuXFEL) offers intense, coherent femtosecond pulses, resulting in characteristic peak brilliance values a billion times higher than that of conventional synchrotron facilities. Such pulses result in extreme peak radiation levels of the order of terawatts cm−2 for any optical component in the beam and can exceed the ablation threshold of many materials. [...]
ddc:550
Detailed record - Similar records
2019-10-30
15:11
[PUBDB-2019-03837] 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 20192019-08-262019-08-30 000-000 ()
Harmonic lasing is an opportunity to extend the photon energy range of existing and planned X-ray FELuser facilities. Contrary to nonlinear harmonic generation, harmonic lasing can provide a much more intense,stable, and narrow-band FEL beam. [...]

Detailed record - Similar records
2019-10-16
11:49
OpenAccess [PUBDB-2019-03689] Journal Article
et al
Revealing misfit dislocations in $InAs_{x}P_{1− x}-InP$ core–shell nanowires by x-ray diffraction
Nanotechnology 30(50), 505703 () [10.1088/1361-6528/ab40f1]  GO
InAs x P1−x nanowires are promising building blocks for future optoelectronic devices and nanoelectronics. Their structure may vary from nanowire to nanowire, which may influence their average optoelectronic properties. [...]
OpenAccess: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:530
Detailed record - Similar records
2019-10-14
16:25
[PUBDB-2019-03673] Contribution to a conference proceedings
et al
Absorbed Radiation Doses on the European XFEL Undulator Systems During Early User Experiments
39th International Free Electron Laser Conference, FEL19, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 5 pp. ()
The European XFEL GmbH (EuXFEL) is a FEL userfacility based on a superconducting accelerator with highduty cycle. Three movable gap SASE Undulator Systems using hybrid NdFeB permanent magnet segments are in operation. [...]
Restricted: Download fulltextPDF Download fulltextPDF (PDFA); External link: Download fulltextFulltext

Detailed record - Similar records
2019-10-11
12:36
[PUBDB-2019-03654] Contribution to a conference proceedings

First Tests Using Sipm Based Beam Loss Monitors at the European XFEL
8th International Beam Instrumentation Conference, IBIC2019, MalmöMalmö, Sweden, 8 Sep 2019 - 12 Sep 20192019-09-082019-09-12 JACoW Publishing, Geneva, Switzerland 4 pp. ()
The European XFEL uTCA based Beam Loss Monitor System (BLM) is composed of about 470 monitors using photomultiplier tubes (PMTs). BLMs installed in the SASE undulator intersections show high signals at electron energy higher 16 GeV or photon energy higher14 keV due to background synchrotron radiation which directly affects the PMT. [...]
Restricted: Download fulltextPDF Download fulltextPDF (PDFA); External link: Download fulltextFulltext

Detailed record - Similar records
2019-07-12
10:44
OpenAccess [PUBDB-2019-02698] Journal Article
et al
Evidence of Extreme Ultraviolet Superfluorescence in Xenon
We present a comprehensive experimental and theoretical study on superfluorescence in the extreme ultraviolet wavelength regime. Focusing a free-electron laser pulse in a cell filled with Xe gas, the medium is quasi-instantaneously population inverted by 4d-shell ionization on the giant resonance followed by Auger decay [...]
OpenAccess: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:530
Detailed record - Similar records
2019-06-29
11:40
Embargoed OpenAccess [PUBDB-2019-02611] Journal Article
et al
New dynamic diamond anvil cells for tera-pascal per second fast compression x-ray diffraction experiments
Fast compression experiments performed using dynamic diamond anvil cells (dDACs) employing piezoactuators offer the opportunity to study compression-rate dependent phenomena. In this paper, we describe an experimental setup which allows us to perform time-resolved x-ray diffraction during the fast compression of materials using improved dDACs. [...]
Published on 2019-06-21. Available in OpenAccess from 2020-06-21.: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:620
Detailed record - Similar records
2019-06-21
10:30
OpenAccess [PUBDB-2019-02527] Journal Article
et al
Two-color XUV+NIR femtosecond photoionization of neon in the near-threshold region
Results of angle-resolved electron spectroscopy of near-threshold photoionization of Ne atoms bycombined femtosecond extreme ultraviolet and near infraredfields are presented. The dressed-electron spectra show an energetic distribution into so-called sidebands, being separated by thephoton energy of the dressing laser [...]
OpenAccess: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:530
Detailed record - Similar records
2019-05-16
16:20
OpenAccess [PUBDB-2019-02299] Journal Article/Report

Accelerator Beam Dynamics at the European X-Ray Free Electron Laser
[DESY-18-178]
We consider the collective beam dynamics in the accelerator of the European X-ray Free Electron Laser for electron bunches with charges of 250 and 500 pC. The dynamics has been studied numerically with different computer programs, and we struggle to include properly the whole beam physics with collective effects. [...]
OpenAccess: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:530
Detailed record - Similar records
2019-05-08
09:15
OpenAccess [PUBDB-2019-02178] Journal Article
et al
Photon diagnostics at the FLASH THz beamline
The THz beamline at FLASH, DESY, provides both tunable (1–300 THz) narrow-bandwidth (∼10%) and broad-bandwidth intense (up to 150 uJ) THz pulses delivered in 1 MHz bursts and naturally synchronized with free-electron laser X-ray pulses. Combination of these pulses, along with the auxiliary NIR and VIS ultrashort lasers, supports a plethora of dynamic investigations in physics, material science and biology. [...]
OpenAccess: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:550
Detailed record - Similar records