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Theory and simulation of laser pulse trapping and amplifying in the interaction with a thin foil and a solid target

Zou De-Bin Zhuo Hong-Bin Shao Fu-Qiu Yin Yan Ma Yan-Yun Tian Cheng-Lin Xu Han Ouyang Jian-Ming Xie Xiang-Yun Chen De-Peng

Theory and simulation of laser pulse trapping and amplifying in the interaction with a thin foil and a solid target

Zou De-Bin, Zhuo Hong-Bin, Shao Fu-Qiu, Yin Yan, Ma Yan-Yun, Tian Cheng-Lin, Xu Han, Ouyang Jian-Ming, Xie Xiang-Yun, Chen De-Peng
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  • Received Date:  06 April 2011
  • Accepted Date:  06 May 2011
  • Published Online:  15 April 2012

Theory and simulation of laser pulse trapping and amplifying in the interaction with a thin foil and a solid target

  • 1. college of Science, National University of Defense Technology, Changsha 410073, China;
  • 2. college of Computer, National University of Defense Technology, Changsha 410073, China
Fund Project:  Project supported by the National Natural Science Foundation of China-NSAF(Grant No. 10976031), the National Natural Science Foundation of China (Grant No. 11175253, 10975185), and the National Basic Research Program of China(Program 973)(Grant No. 2007CB815105).

Abstract: In this paper we suggest a simple structure consisting of a thin foil and a solid target with specified gap width to achieve the laser-field amplification, and study the trapping process of a single pulse. Both the theoretical and simulation results show that the EM fields are trapped as standing waves between two layers of enhanced electron density. The laser energy can be accumulated like the accumulation of charges in capacitor, a stably trap is reached after several oscillations. The compressing and the expanding of the electron layer, generated by the incident light pressure, the trapped light pressure and the charge electrostatic fields, are the direct reason for the energy oscillations.

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