Simulation study of electron injection into plasma wake fields by colliding laser pulses using OOPIC

HE An; GAO Jie; ZHU Xiong-Wei; LI Da-Zhang

doi:10.1088/1674-1137/33/S2/047

Chinese Physics C> 2009, Vol. 33> Issue(S2) : 177-180 DOI: 10.1088/1674-1137/33/S2/047

Simulation study of electron injection into plasma wake fields by colliding laser pulses using OOPIC

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Abstract：
An electron injector concept for a laser-plasma accelerator has been developed which relies on the use of counter propagating ultrashort laser pulses. In this paper, we use OOPIC the fully self-consistent, two-dimensional, particle-in-cell code to make a parameter study to determine the bunches that can be obtained through collisions of two collinear laser pulses in uniform plasma. A series of simulations show that one can obtain a short (<10fs) bunch with its charge of about 15pC, and energy spread of about 15%. We also discussed the variation of the transverse spot size of the electron bunch and found the bunch would undergo the betatron oscillations.

References

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HE An, GAO Jie, ZHU Xiong-Wei and LI Da-Zhang. Simulation study of electron injection into plasma wake fields by colliding laser pulses using OOPIC[J]. Chinese Physics C, 2009, 33(S2): 177-180. doi: 10.1088/1674-1137/33/S2/047

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Received: 2009-01-05
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Simulation study of electron injection into plasma wake fields by colliding laser pulses using OOPIC

Corresponding author: HE An,

Received Date: 2009-01-05
Accepted Date: 1900-01-01
Available Online: 2009-01-08

Abstract:

An electron injector concept for a laser-plasma accelerator has been developed which relies on the use of counter propagating ultrashort laser pulses. In this paper, we use OOPIC the fully self-consistent, two-dimensional, particle-in-cell code to make a parameter study to determine the bunches that can be obtained through collisions of two collinear laser pulses in uniform plasma. A series of simulations show that one can obtain a short (<10fs) bunch with its charge of about 15pC, and energy spread of about 15%. We also discussed the variation of the transverse spot size of the electron bunch and found the bunch would undergo the betatron oscillations.