scholarly journals Tailored laser pulse chirp to maintain optimum radiation pressure acceleration of ions

2019 ◽  
Vol 26 (2) ◽  
pp. 023103
Author(s):  
F. Mackenroth ◽  
S. S. Bulanov
2010 ◽  
Vol 36 (1) ◽  
pp. 15-29 ◽  
Author(s):  
E. Yu. Echkina ◽  
I. N. Inovenkov ◽  
T. Zh. Esirkepov ◽  
F. Pegoraro ◽  
M. Borghesi ◽  
...  

2010 ◽  
Vol 17 (10) ◽  
pp. 103107 ◽  
Author(s):  
Xue-Ren Hong ◽  
Bai-Song Xie ◽  
Shan Zhang ◽  
Hai-Cheng Wu ◽  
Aimierding Aimidula ◽  
...  

2015 ◽  
Vol 33 (3) ◽  
pp. 387-396 ◽  
Author(s):  
Peter Schmidt ◽  
Oliver Boine-Frankenheim ◽  
Peter Mulser

AbstractLaser ion acceleration (Wilks et al., 2001; Passoni et al., 2010) has become an interesting field of research in the past years. Several experiments, such as LIGHT (Schollmeier et al., 2008; Bagnoud et al., 2010; Busold et al., 2013; 2014a; 2014b) are performed worldwide. High intense, pulsed laser beams are used to generate and accelerate a plasma. For higher laser intensities (>1021 W cm−1), simulations (Esirkepov et al., 2004; Macchi et al., 2005; 2009; 2010; Robinson et al., 2008; Rykovanov et al., 2008; Henig et al., 2009; Schlegel et al., 2009; Shoucri et al., 2011; 2013; 2014; Kar et al., 2012; Korzhimanov et al., 2012; Shoucri, 2012) have revealed a new acceleration mechanism: The Radiation Pressure Acceleration. The entire foil target is accelerated by the radiation pressure of the laser pulse. Ideally, a sharp peak spectrum is generated, with energies up to GeV and nearly solid body density. This work faces on a detailed analysis of the acceleration mechanism in order to develop the optimum laser- and target parameters for the process. The analysis is supported by one-dimensional PIC simulations, using the commercial code VSim© Tech-X (2015).


2013 ◽  
Author(s):  
S. S. Bulanov ◽  
C. B. Schroeder ◽  
E. Esarey ◽  
W. P. Leemans

2018 ◽  
Vol 8 (3) ◽  
pp. 336 ◽  
Author(s):  
Bruno Gonzalez-Izquierdo ◽  
Remi Capdessus ◽  
Martin King ◽  
Ross Gray ◽  
Robbie Wilson ◽  
...  

Author(s):  
W. P. Wang ◽  
X. M. Zhang ◽  
X. F. Wang ◽  
X. Y. Zhao ◽  
J. C. Xu ◽  
...  

AbstractThe effects of ion motion on the generation of short-cycle relativistic laser pulses during radiation pressure acceleration are investigated by analytical modeling and particle-in-cell simulations. Studies show that the rear part of the transmitted pulse modulated by ion motion is sharper compared with the case of the electron shutter only. In this study, the ions further modulate the short-cycle pulses transmitted. A 3.9 fs laser pulse with an intensity of $1.33\times 10^{21}\ {\rm W}\ {\rm cm}^{-2}$ is generated by properly controlling the motions of the electron and ion in the simulations. The short-cycle laser pulse source proposed can be applied in the generation of single attosecond pulses and electron acceleration in a small bubble regime.


2012 ◽  
Vol 19 (9) ◽  
pp. 093112 ◽  
Author(s):  
S. S. Bulanov ◽  
C. B. Schroeder ◽  
E. Esarey ◽  
W. P. Leemans

2019 ◽  
Vol 37 (2) ◽  
pp. 217-222 ◽  
Author(s):  
H. Cheng ◽  
L. H. Cao ◽  
J. X. Gong ◽  
R. Xie ◽  
C. Y. Zheng ◽  
...  

AbstractTwo-dimensional particle-in-cell (PIC) simulations have been used to investigate the interaction between a laser pulse and a foil exposed to an external strong longitudinal magnetic field. Compared with that in the absence of the external magnetic field, the divergence of proton with the magnetic field in radiation pressure acceleration (RPA) regimes has improved remarkably due to the restriction of the electron transverse expansion. During the RPA process, the foil develops into a typical bubble-like shape resulting from the combined action of transversal ponderomotive force and instabilities. However, the foil prefers to be in a cone-like shape by using the magnetic field. The dependence of proton divergence on the strength of magnetic field has been studied, and an optimal magnetic field of nearly 60 kT is achieved in these simulations.


2012 ◽  
Vol 30 (3) ◽  
pp. 407-414 ◽  
Author(s):  
Shixia Luan ◽  
Wei Yu ◽  
Masakatsu Murakami ◽  
Hongbin Zhuo ◽  
Mingyang Yu ◽  
...  

AbstractA two-dimensional theoretical model for the evolution of solid-density plasma irradiated by short, intense laser pulse is introduced. The electrons near the target surface are pushed inward by the radiation pressure, leading to a receding electron density jump where the laser is reflected. The electrostatic field of the resulting charge separation eventually balances the radiation pressure at the laser peak. After that the charge separation field becomes dominant. It accelerates and compresses the ions that are left behind until they merge with the compressed electrons, resulting in a high-density plasma peak. The laser pulse reflected from the receding electron density jump loses energy in plasma and suffers Doppler frequency red-shift, which can provide valuable information on the laser absorption rate and the speed of the receding electrons. Electron oscillations, including the u × B oscillations across the density jump at twice the laser frequency during the laser action, as well as the low-frequency oscillations appearing after laser action, are identified.


Sign in / Sign up

Export Citation Format

Share Document