Ultrashort radiation pulses generated by laser wakefield accelerators: A time-domain approach

2012 ◽  
Author(s):  
Andrei B. Utkin
Keyword(s):  
Time Domain ◽  
Laser Wakefield ◽  
Wakefield Accelerators

On electron betatron motion and electron injection in laser wakefield accelerators

2014 ◽  
Vol 56 (8) ◽  
pp. 084009
Author(s):  
T Matsuoka ◽  
C McGuffey ◽  
P G Cummings ◽  
S S Bulanov ◽  
V Chvykov ◽  
...  
Keyword(s):  
Electron Injection ◽  
Laser Wakefield ◽  
Betatron Motion ◽  
Wakefield Accelerators

Developments in laser wakefield accelerators: From single-stage to two-stage

2015 ◽  
Vol 24 (1) ◽  
pp. 015205 ◽  
Author(s):  
Wen-Tao Li ◽  
Wen-Tao Wang ◽  
Jian-Sheng Liu ◽  
Cheng Wang ◽  
Zhi-Jun Zhang ◽  
...  
Keyword(s):  
Single Stage ◽  
Two Stage ◽  
Laser Wakefield ◽  
Wakefield Accelerators

scholarly journals Automation and control of laser wakefield accelerators using Bayesian optimization

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
R. J. Shalloo ◽  
S. J. D. Dann ◽  
J.-N. Gruse ◽  
C. I. D. Underwood ◽  
A. F. Antoine ◽  
...  
Keyword(s):  
Pulse Length ◽  
Bayesian Optimization ◽  
Machine Learning Techniques ◽  
Learning Techniques ◽  
Laser Wakefield ◽  
Accelerating Structure ◽  
Automation And Control ◽  
Laser Pulse Shape ◽  
And Control ◽  
Wakefield Accelerators

AbstractLaser wakefield accelerators promise to revolutionize many areas of accelerator science. However, one of the greatest challenges to their widespread adoption is the difficulty in control and optimization of the accelerator outputs due to coupling between input parameters and the dynamic evolution of the accelerating structure. Here, we use machine learning techniques to automate a 100 MeV-scale accelerator, which optimized its outputs by simultaneously varying up to six parameters including the spectral and spatial phase of the laser and the plasma density and length. Most notably, the model built by the algorithm enabled optimization of the laser evolution that might otherwise have been missed in single-variable scans. Subtle tuning of the laser pulse shape caused an 80% increase in electron beam charge, despite the pulse length changing by just 1%.

scholarly journals Exploiting multi-scale parallelism for large scale numerical modelling of laser wakefield accelerators

2013 ◽  
Vol 55 (12) ◽  
pp. 124011 ◽  
Author(s):  
R A Fonseca ◽  
J Vieira ◽  
F Fiuza ◽  
A Davidson ◽  
F S Tsung ◽  
...  
Keyword(s):  
Numerical Modelling ◽  
Large Scale ◽  
Multi Scale ◽  
Laser Wakefield ◽  
Wakefield Accelerators

scholarly journals Cascaded laser wakefield accelerators

2013 ◽  
Author(s):  
J. S. Liu ◽  
W. T. Wang ◽  
H. Y. Lu ◽  
A. H. Deng ◽  
C. Wang ◽  
...  
Keyword(s):  
Laser Wakefield ◽  
Wakefield Accelerators

Limits on laser wakefield accelerators

1999 ◽  
Vol 70 (4) ◽  
pp. 1983-1985
Author(s):  
B. Yedierler ◽  
S. Bilikmen
Keyword(s):  
Laser Wakefield ◽  
Wakefield Accelerators

scholarly journals Laser-wakefield accelerators as hard x-ray sources for 3D medical imaging of human bone

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
J. M. Cole ◽  
J. C. Wood ◽  
N. C. Lopes ◽  
K. Poder ◽  
R. L. Abel ◽  
...  
Keyword(s):  
Medical Imaging ◽  
Human Bone ◽  
X Ray ◽  
Laser Wakefield ◽  
Wakefield Accelerators
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