scholarly journals Free Electron Laser Performance within the EuPRAXIA Facility

Instruments ◽  
2020 ◽  
Vol 4 (1) ◽  
pp. 5 ◽  
Author(s):  
Federico Nguyen ◽  
Axel Bernhard ◽  
Antoine Chancé ◽  
Marie-Emmanuelle Couprie ◽  
Giuseppe Dattoli ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Applied Research ◽  
Electron Beams ◽  
Basic Research ◽  
Particle Accelerators ◽  
Coherent Light ◽  
The Past ◽  
Wide Range ◽  
New Type

Over the past 90 years, particle accelerators have evolved into powerful and widely used tools for basic research, industry, medicine, and science. A new type of accelerator that uses plasma wakefields promises gradients as high as some tens of billions of electron volts per meter. This would allow much smaller accelerators that could be used for a wide range of fundamental and applied research applications. One of the target applications is a plasma-driven free-electron laser (FEL), aiming at producing tunable coherent light using electrons traveling in the periodic magnetic field of an undulator. In this work, the plasma-based electron beams with the most promising qualities, designed in the framework of EuPRAXIA, are analyzed in terms of the FEL performance.

Development of Focusing System for X-Ray Free Electron Laser

2012 ◽  
Vol 516 ◽  
pp. 251-256 ◽  
Author(s):  
Hidekazu Mimura ◽  
Hitoshi Ohmori ◽  
Kazuto Yamauchi
Keyword(s):  
Radiation Damage ◽  
Free Electron ◽  
Free Electron Laser ◽  
Two Dimensional ◽  
Coherent Light ◽  
X Ray ◽  
Synchrotron Facility ◽  
New Type

The X-ray free electron laser (XFEL) is a new type of synchrotron facility, which can produce full coherent light at X-ray wavelength ranges. Its focusing system makes it possible to create an extremely intensive XFEL beam. Long-size focusing mirrors are necessary for this system from the viewpoint of X-ray radiation damage. We established the figuring system with an accuracy at the nanometre level. The focusing mirror has an elliptical curved shape with a length of 400 mm. Figure accuracy with a peak-to-valley height of 2 nm is achieved. The Kirkpatrick Baez focusing system was also designed and developed for two-dimensional focusing at Japanese XFEL.

scholarly journals High-quality electron beams from a helical inverse free-electron laser accelerator

2014 ◽  
Vol 5 (1) ◽  
Author(s):  
J. Duris ◽  
P. Musumeci ◽  
M. Babzien ◽  
M. Fedurin ◽  
K. Kusche ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Electron Beams ◽  
High Quality ◽  
Laser Accelerator

scholarly journals Helical inverse free electron laser accelerator for efficient production of high quality electron beams

2016 ◽  
Author(s):  
J. Duris ◽  
P. Musumeci ◽  
M. Babzien ◽  
S. Custodio ◽  
M. Fedurin ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Electron Beams ◽  
Efficient Production ◽  
High Quality ◽  
Laser Accelerator

scholarly journals X-ray–optical cross-correlator for gas-phase experiments at the Linac Coherent Light Source free-electron laser

2012 ◽  
Vol 100 (12) ◽  
pp. 121107 ◽  
Author(s):  
S. Schorb ◽  
T. Gorkhover ◽  
J. P. Cryan ◽  
J. M. Glownia ◽  
M. R. Bionta ◽  
...  
Keyword(s):  
Gas Phase ◽  
Light Source ◽  
Free Electron ◽  
Free Electron Laser ◽  
Coherent Light ◽  
X Ray ◽  
Linac Coherent Light Source ◽  
Coherent Light Source

A compact terahertz free-electron laser with two gratings driven by two electron-beams

2017 ◽  
Vol 24 (2) ◽  
pp. 023109 ◽  
Author(s):  
Weihao Liu ◽  
Yalin Lu ◽  
Lin Wang ◽  
Qika Jia
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Electron Beams

Soft x-ray free-electron laser imaging by LiF crystal and film detectors over a wide range of fluences

2013 ◽  
Vol 52 (3) ◽  
pp. 509 ◽  
Author(s):  
Tatiana A. Pikuz ◽  
Anatoly Ya. Faenov ◽  
Yuji Fukuda ◽  
Masaki Kando ◽  
Paul Bolton ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Laser Imaging ◽  
X Ray ◽  
Wide Range

scholarly journals Compound refractive lenses as prefocusing optics for X-ray FEL radiation

2016 ◽  
Vol 23 (2) ◽  
pp. 425-429 ◽  
Author(s):  
Philip Heimann ◽  
Michael MacDonald ◽  
Bob Nagler ◽  
Hae Ja Lee ◽  
Eric Galtier ◽  
...  
Keyword(s):  
Energy Range ◽  
Light Source ◽  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Conditions ◽  
Coherent Light ◽  
Angular Aperture ◽  
X Ray ◽  
Linac Coherent Light Source ◽  
Coherent Light Source

The performance of X-ray free-electron laser beamlines may be limited by the angular aperture. Compound refractive lenses (CRLs) can be employed to prefocus the X-ray beam, thereby increasing the beamline transmission. A prefocusing CRL was implemented in the X-ray transport of the Matter under Extreme Conditions Instrument at the Linac Coherent Light Source. A significant improvement in the beamline transmission was calculated over the 3–10 keV photon energy range. At 5 keV, the relative X-ray intensity was measured and a factor of four increase was seen in the beamline transmission. The X-ray focus was also determined by the ablation imprint method.

scholarly journals Multiple-beamline operation of SACLA

2019 ◽  
Vol 26 (2) ◽  
pp. 595-602 ◽  
Author(s):  
Kensuke Tono ◽  
Toru Hara ◽  
Makina Yabashi ◽  
Hitoshi Tanaka
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Linear Accelerator ◽  
Electron Beams ◽  
Pulse Electron ◽  
Parallel Operation ◽  
Switching Operation ◽  
X Ray ◽  
Fast Switching ◽  
Concurrent User

The SPring-8 Ångstrom Compact free-electron LAser (SACLA) began parallel operation of three beamlines (BL1–3) in autumn 2017 to increase the user beam time of the X-ray free-electron laser. The success of the multiple-beamline operation is based on two technological achievements: (i) the fast switching operation of the SACLA main linear accelerator, which provides BL2 and BL3 with pulse-by-pulse electron beams, and (ii) the relocation and upgrade of the SPring-8 Compact SASE Source for BL1, for the generation of a soft X-ray free-electron laser. Moreover, the photon beamlines and experimental stations were upgraded to facilitate concurrent user experiments at the three beamlines and accommodate more advanced experiments.

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