Laser-Driven Acceleration In Clustered Plasmas

Date

2009-01

Authors

Gao, X.
Wang, X.
Shim, B.
Downer, M. C.

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Abstract

We propose a new approach to avoid dephasing limitation of laser wakefield acceleration by manipulating the group velocity of the driving pulse using clustered plasmas. We demonstrated the control of phase velocity in clustered plasmas by third harmonic generation and frequency domain interferometry experiments. The results agree with a numerical model. Based on this model, the group velocity of the driving pulse in clustered plasmas was calculated and the result shows the group velocity can approach the speed of light c in clustered plasmas.

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Citation

X. Gao, X. Wang, B. Shim, and M. C. Downer. AIP Conference Proceedings 1086, 142 (Jan., 2009); doi: 10.1063/1.3080895