TITLE

Controlled electron injection into laser wakefields with a perpendicular injection laser pulse

AUTHOR(S)
Wang, W.-M.; Sheng, Z.-M.; Zhang, J.
PUB. DATE
November 2008
SOURCE
Applied Physics Letters;11/17/2008, Vol. 93 Issue 20, p201502
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Electron injection into laser wakefields for acceleration by two orthogonally directed laser pulses is investigated theoretically. It is found that efficient injection occurs provided the two pulses are collinearly polarized, even if the injection pulse is much weaker than the pump pulse driving wakefields. Compared with the head-on colliding injection geometry, this scheme allows for a shorter propagation distance less than a Rayleigh length for the injection pulse, before its overlapping with the pump pulse. Moreover, it can generate electron beams stably with comparable low energy spread and emittance, as demonstrated by particle-in-cell simulations. The optimization of laser parameters is also investigated.
ACCESSION #
35514098

 

Related Articles

  • Ponderomotive scattering of electrons and its application to measure the pulse duration of ultrafast electron beams. Liu, Yunquan; Zhang, Jie; Wu, Huichun; Sheng, Zhengming // Journal of Applied Physics;Feb2008, Vol. 103 Issue 4, p044905 

    We numerically study the relativistic ponderomotive scattering of an ultrafast electron beam with a focused high-intensity laser pulse using a three-dimensional test-particle code. The temporal evolution of the spatial distribution and the energy spectrum of the scattered electron beam are...

  • Correlation between laser accelerated MeV proton and electron beams using simple fluid model for target normal sheath acceleration. Tampo, M.; Awano, S.; Bolton, P. R.; Kondo, K.; Mima, K.; Mori, Y.; Nakamura, H.; Nakatsutsumi, M.; Stephens, R. B.; Tanaka, K. A.; Tanimoto, T.; Yabuuchi, T.; Kodama, R. // Physics of Plasmas;Jul2010, Vol. 17 Issue 7, p073110 

    High density energetic electrons that are created by intense laser plasma interactions drive MeV proton acceleration. The correlation between accelerated MeV protons and escaped electrons is experimentally investigated at laser intensities in the range of 1018–1019 W/cm2 with...

  • Contrast Effect on the Laser Injected Electron Beam. Kotaki, H.; Kando, M.; Daito, I.; Homma, T.; Kameshima, T.; Kawase, K.; Chen, L.-M.; Fukuda, Y.; Kiriyama, H.; Kondo, S.; Kanazawa, S.; Nakai, Y.; Shimomura, T.; Tanoue, M.; Akutsu, A.; Okada, H.; Motomura, T.; Daido, H.; Bulanov, S. V. // AIP Conference Proceedings;7/25/2009, Vol. 1153 Issue 1, p176 

    Laser-plasma interaction generates a high energy electron beam. The laser contrast ratio is one of the important parameters for laser acceleration due to pre-plasma effects. For the high laser contrast ratio, a 140 MeV monoenergetic electron beam with a charge of 100 pC is obtained. For the low...

  • Neutron (3He) Spin Structure Functions at Low Q2. Sulkosky, Vincent A. // AIP Conference Proceedings;7/27/2009, Vol. 1155 Issue 1, p93 

    Experiment E97-110 was performed at the Thomas Jefferson National Accelerator Facility to provide a precise measurement of the 3He spin structure functions at low Q2 from 0.02 to 0.3 [GeV/c]2. A longitudinally-polarized electron beam was scattered from a longitudinally or transversely polarized...

  • JLab E07-011: Precision measurements of g1d using ND3 and LiD. Bosted, P. // AIP Conference Proceedings;7/27/2009, Vol. 1155 Issue 1, p154 

    We plan to make definitive measurements of the deuteron spin structure function g1d/F1d in the deep-inelastic kinematics accessible with a 6 GeV beam at JLab. The principal goal is to provide the low Q2 anchor points for NLO pQCD plus higher twist fits to g1d/F1d, which is particularly sensitive...

  • Kinetic Approach to the Envelope Equation for a Relativistic Electron Beam Propagating through a Scattering Gas–Plasma Medium in the Presence of the Reverse Plasma Current with an Arbitrary Radial Profile. Manu&ibreve;lov, A. S. // Technical Physics;Apr2005, Vol. 50 Issue 4, p491 

    A kinetic approach is applied to derive the transport equations, the virial equation, the dynamic-equilibrium equation, and the envelope equation for an axially symmetric paraxial relativistic electron beam propagating through a scattering gas–plasma medium in the presence of a reverse...

  • Generation and measurement of subnanosecond electron beams in gas-filled diodes. Tarasenko, V. F.; Rybka, D. V.; Baksht, E. Kh.; Kostyrya, I. D.; Lomaev, M. I. // Instruments & Experimental Techniques;Mar2008, Vol. 51 Issue 2, p213 

    The results of experimental studies of generation of supershort avalanche electron beams (SAEBs) in gas-filled diodes and the analysis of the techniques for measurements of their amplitude-time characteristics are presented. The optimal conditions for obtaining the maximum SAEB amplitudes are...

  • Application of Petawatt pARametric Laser (PEARL)—Laser Wakefied Acceleration. Ginzburg, V. N.; Katin, E. V.; Khazanov, E. A.; Kirsanov, A. V.; Lozhkarev, V. V.; Luchinin, G. A.; Mal'shakov, A. N.; Martyanov, M. A.; Palashov, O. V.; Poteomkin, A. K.; Sergeev, A. M.; Shaykin, A. A.; Soloviev, A. A.; Starodubtsev, M. V.; Yakovlev, I. V.; Zelenogorsky, V. V. // AIP Conference Proceedings;4/16/2010, Vol. 1228 Issue 1, p71 

    In this paper we discuss laser weak field acceleration experiments made at the PEtawatt pARametric Laser (PEARL). Using free 2 mm gas jet without preplasma we generated electron beam with energy up to 200 MeV, angular divergence 0.2 degree, and charge 10 pC. The special attention is paid for...

  • Critical emission of two-dimensional electrons from a dielectric into vacuum induced by a nanosecond dense electron beam injected in the specimen. Vaisburd, D. I.; Evdokimov, K. E. // Russian Physics Journal;Aug2008, Vol. 51 Issue 8, p844 

    A theoretical model has been developed which describes the critical electron emission from a dielectric that is induced by an injected nanosecond-duration electron beam of moderate or high density. A numerical realization of the model has been constructed which describes the principal properties...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics