The Next Generation of X-ray Sources

2010 ◽  
Vol 03 (01) ◽  
pp. 185-202 ◽  
Author(s):  
Claudio Pellegrini
Keyword(s):  
Electron Beam ◽  
Free Electron ◽  
High Intensity ◽  
Femtosecond Pulse ◽  
Narrow Linewidth ◽  
Free Electron Lasers ◽  
Next Generation ◽  
Successful Development ◽  
High Brightness ◽  
X Ray

We discuss recent results on soft and hard X-ray free electron lasers (FELs) and how they can be used to design and optimize the next generation of these sources of high brightness, coherent photons, with femtosecond pulse duration, or very narrow linewidth. In particular, we consider the experimental and theoretical progress in the electron beam generation and manipulation. These results, when combined with the successful development of powerful simulation codes, can be used to design optimized, high intensity sources of coherent photons, and to reduce their size and cost.

scholarly journals Electron-bunch lengthening on higher-harmonic oscillations in storage-ring free-electron lasers

2017 ◽  
Vol 24 (5) ◽  
pp. 912-918 ◽  
Author(s):  
Norihiro Sei ◽  
Hiroshi Ogawa ◽  
Shuichi Okuda
Keyword(s):  
Electron Beam ◽  
Storage Ring ◽  
Free Electron ◽  
Free Electron Laser ◽  
Cavity Length ◽  
Extreme Ultraviolet ◽  
Bunch Length ◽  
Free Electron Lasers ◽  
X Ray ◽  
Higher Harmonic

The influence of higher-harmonic free-electron laser (FEL) oscillations on an electron beam have been studied by measuring its bunch length at the NIJI-IV storage ring. The bunch length and the lifetime of the electron beam were measured, and were observed to have become longer owing to harmonic lasing, which is in accord with the increase of the FEL gain. It was demonstrated that the saturated FEL power could be described by the theory of bunch heating, even for the harmonic lasing. Cavity-length detuning curves were measured for the harmonic lasing, and it was found that the width of the detuning curve was proportional to a parameter that depended on the bunch length. These experimental results will be useful for developing compact resonator-type FELs by using higher harmonics in the extreme-ultraviolet and the X-ray regions.

Use of multiphoton photoelectric process to generate a high brightness electron beam for free‐electron lasers

1994 ◽  
Vol 64 (16) ◽  
pp. 2056-2058 ◽  
Author(s):  
Makoto Asakawa ◽  
Kunioki Mima ◽  
Sadao Nakai ◽  
Masayuki Fujita ◽  
Kazuo Imasaki ◽  
...  
Keyword(s):  
Electron Beam ◽  
Free Electron ◽  
Free Electron Lasers ◽  
High Brightness

scholarly journals Cadmium zinc telluride pixel detectors for high-intensity x-ray imaging at free electron lasers

2018 ◽  
Vol 52 (8) ◽  
pp. 085106 ◽  
Author(s):  
M C Veale ◽  
C Angelsen ◽  
P Booker ◽  
J Coughlan ◽  
M J French ◽  
...  
Keyword(s):  
Free Electron ◽  
High Intensity ◽  
Cadmium Zinc Telluride ◽  
Zinc Telluride ◽  
Free Electron Lasers ◽  
X Ray ◽  
Pixel Detectors ◽  
X Ray Imaging ◽  
Cadmium Zinc

scholarly journals Two-color operation of a free-electron laser with a tilted beam

2016 ◽  
Vol 23 (4) ◽  
pp. 869-873 ◽  
Author(s):  
Sven Reiche ◽  
Eduard Prat
Keyword(s):  
Electron Beam ◽  
Photon Energy ◽  
Free Electron ◽  
Free Electron Laser ◽  
Tuning Range ◽  
Free Electron Lasers ◽  
Successful Operation ◽  
X Ray ◽  
Two Photon ◽  
Gap Control

With the successful operation of free-electron lasers (FELs) as user facilities there has been a growing demand for experiments with two photon pulses with variable photon energy and time separation. A configuration of an undulator with variable-gap control and a delaying chicane in the middle of the beamline is proposed. An injected electron beam with a transverse tilt will only yield FEL radiation for the parts which are close to the undulator axis. This allows, after re-aligning and delaying the electron beam, a different part of the bunch to be used to produce a second FEL pulse. This method offers independent control in photon energy and delay. For the parameters of the soft X-ray beamline Athos at the SwissFEL facility the photon energy tuning range is a factor of five with an adjustable delay between the two pulses from −50 to 950 fs.

Overview of options for generating high-brightness attosecond x-ray pulses at free-electron lasers and applications at the European XFEL

2018 ◽  
Vol 20 (2) ◽  
pp. 024005 ◽  
Author(s):  
S Serkez ◽  
G Geloni ◽  
S Tomin ◽  
G Feng ◽  
E V Gryzlova ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Lasers ◽  
High Brightness ◽  
X Ray

scholarly journals High-sensitivity x-ray/optical cross-correlator for next generation free-electron lasers

2020 ◽  
Vol 28 (16) ◽  
pp. 23545
Author(s):  
Stefan Droste ◽  
Sioan Zohar ◽  
Lingjia Shen ◽  
Vaughn E. White ◽  
Elizabeth Diaz-Jacobo ◽  
...  
Keyword(s):  
Free Electron ◽  
High Sensitivity ◽  
Free Electron Lasers ◽  
Next Generation ◽  
X Ray
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