Single-pulse picking at kHz repetition rates using a Ge plasma switch at the free-electron laser FELBE

2015 ◽  
Vol 86 (6) ◽  
pp. 063103 ◽  
Author(s):  
J. Schmidt ◽  
S. Winnerl ◽  
W. Seidel ◽  
C. Bauer ◽  
M. Gensch ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Single Pulse ◽  
Plasma Switch

scholarly journals A novel free-electron laser single-pulse Wollaston polarimeter for magneto-dynamical studies

2021 ◽  
Vol 8 (3) ◽  
pp. 034304
Author(s):  
Antonio Caretta ◽  
Simone Laterza ◽  
Valentina Bonanni ◽  
Rudi Sergo ◽  
Carlo Dri ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Single Pulse

scholarly journals Single-pulse resonant magnetic scattering using a soft x-ray free-electron laser

2010 ◽  
Vol 81 (10) ◽  
Author(s):  
C. Gutt ◽  
S. Streit-Nierobisch ◽  
L.-M. Stadler ◽  
B. Pfau ◽  
C. M. Günther ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Single Pulse ◽  
Magnetic Scattering ◽  
X Ray

scholarly journals Focus characterization at an X-ray free-electron laser by coherent scattering and speckle analysis

2015 ◽  
Vol 22 (3) ◽  
pp. 599-605 ◽  
Author(s):  
Marcin Sikorski ◽  
Sanghoon Song ◽  
Andreas Schropp ◽  
Frank Seiboth ◽  
Yiping Feng ◽  
...  
Keyword(s):  
Shape Analysis ◽  
Free Electron ◽  
Free Electron Laser ◽  
Single Pulse ◽  
Coherent Scattering ◽  
Coherent Light ◽  
X Ray ◽  
Linac Coherent Light Source ◽  
Speckle Size ◽  
Coherent Light Source

X-ray focus optimization and characterization based on coherent scattering and quantitative speckle size measurements was demonstrated at the Linac Coherent Light Source. Its performance as a single-pulse free-electron laser beam diagnostic was tested for two typical focusing configurations. The results derived from the speckle size/shape analysis show the effectiveness of this technique in finding the focus' location, size and shape. In addition, its single-pulse compatibility enables users to capture pulse-to-pulse fluctuations in focus properties compared with other techniques that require scanning and averaging.

scholarly journals Ultra-short and ultra-intense X-ray free-electron laser single pulse in one-dimensional photonic crystals

2017 ◽  
Vol 24 (2) ◽  
pp. 376-385 ◽  
Author(s):  
Jean-Michel André ◽  
Philippe Jonnard
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Short Pulse ◽  
Single Pulse ◽  
Wave Theory ◽  
One Dimensional ◽  
X Ray ◽  
Non Linear ◽  
Ultra Short Pulse ◽  
Induced Transparency

The propagation within a one-dimensional photonic crystal of a single ultra-short and ultra-intense pulse delivered by an X-ray free-electron laser is analysed with the framework of the time-dependent coupled-wave theory in non-linear media. It is shown that the reflection and the transmission of an ultra-short pulse present a transient period conditioned by the extinction length and also the thickness of the structure for transmission. For ultra-intense pulses, non-linear effects are expected: they could give rise to numerous phenomena, bi-stability, self-induced transparency, gap solitons, switching, etc., which have been previously shown in the optical domain.

scholarly journals Single-pulse enhanced coherent diffraction imaging of bacteria with an X-ray free-electron laser

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Jiadong Fan ◽  
Zhibin Sun ◽  
Yaling Wang ◽  
Jaehyun Park ◽  
Sunam Kim ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Single Pulse ◽  
X Ray ◽  
Coherent Diffraction Imaging ◽  
Diffraction Imaging

scholarly journals Two- and Multi-bucket X-ray Free-Electron Laser at LCLS

2021 ◽  
Author(s):  
Franz-Josef Decker ◽  
Karl L. Bane ◽  
William Colocho ◽  
Sasha Gilevich ◽  
Agostino Marinelli ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Single Pulse ◽  
Free Electron Lasers ◽  
Pulse Operation ◽  
Modes Of Operation ◽  
X Ray ◽  
Narrow Bandwidth ◽  
The One ◽  
Special Modes

Abstract X-ray Free Electron Lasers provide femtosecond X-ray pulses with narrow bandwidth and unprecedented peak brightness. Special modes of operation have been developed to deliver double pulses for X-ray pump, X-ray probe experiments. However, the longest delay between the two pulses achieved with existing single bucket methods is less than 1 picosecond, thus preventing exploration of longer timescales dynamics. We present a novel Two-bucket scheme covering delays from 350 picoseconds to hundreds of nanoseconds in discrete steps of 350 picoseconds. Performance for each pulse can be similar to the one in single pulse operation. The method has been experimentally tested with LCLS-I and LCLS-II hard x-ray undulators.

scholarly journals Single pulse coherence measurements in the water window at the free-electron laser FLASH

2013 ◽  
Vol 21 (11) ◽  
pp. 13005 ◽  
Author(s):  
D. D. Mai ◽  
J. Hallmann ◽  
T. Reusch ◽  
M. Osterhoff ◽  
S. Düsterer ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Single Pulse ◽  
Laser Flash ◽  
Water Window

scholarly journals Atomic, Molecular and Cluster Science with the Reaction Microscope Endstation at FLASH2

2020 ◽  
Vol 10 (8) ◽  
pp. 2953 ◽  
Author(s):  
Severin Meister ◽  
Hannes Lindenblatt ◽  
Florian Trost ◽  
Kirsten Schnorr ◽  
Sven Augustin ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
High Harmonic ◽  
Single Pulse ◽  
Pump Probe ◽  
Electrons And Ions ◽  
Fragmentation Reactions ◽  
Small Clusters ◽  
Reaction Microscope

The reaction microscope (REMI) endstation for atomic and molecular science at the free-electron laser FLASH2 at DESY in Hamburg is presented together with a brief overview of results recently obtained. The REMI allows coincident detection of electrons and ions that emerge from atomic or molecular fragmentation reactions in the focus of the extreme-ultraviolet (XUV) free-electron laser (FEL) beam. A large variety of target species ranging from atoms and molecules to small clusters can be injected with a supersonic gas-jet into the FEL focus. Their ionization and fragmentation dynamics can be studied either under single pulse conditions, or for double pulses as a function of their time delay by means of FEL-pump–FEL-probe schemes and also in combination with a femtosecond infrared (IR) laser. In a recent upgrade, the endstation was further extended by a light source based on high harmonic generation (HHG), which is now available for upcoming FEL/HHG pump–probe experiments.

FAR INFRARED FREE ELECTRON LASER

1983 ◽  
Vol 44 (C1) ◽  
pp. C1-385-C1-385
Author(s):  
E. D. Shaw ◽  
R. M. Emanuelson ◽  
G. A. Herbster
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Far Infrared

FULLY QUANTIZED MANY PARTICLE THEORY OF A FREE-ELECTRON LASER

1983 ◽  
Vol 44 (C1) ◽  
pp. C1-367-C1-367
Author(s):  
W. Becker ◽  
J. K. McIver
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Particle Theory
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