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Photon acceleration in the laser wakefield

Cai Da-Feng Yang Xiang-Dong Gu Yu-Qiu Jiao Chun-Ye Wu Yu-Chi He Ying-Ling Teng Jian Wang Lei Zhao Zong-Qing Wang Jian

Photon acceleration in the laser wakefield

Cai Da-Feng, Yang Xiang-Dong, Gu Yu-Qiu, Jiao Chun-Ye, Wu Yu-Chi, He Ying-Ling, Teng Jian, Wang Lei, Zhao Zong-Qing, Wang Jian
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  • Abstract views:  5275
  • PDF Downloads:  1344
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Publishing process
  • Received Date:  22 October 2007
  • Accepted Date:  14 March 2008
  • Published Online:  05 May 2008

Photon acceleration in the laser wakefield

  • 1. (1)内江师范学院物理学与电子信息工程系,内江 641112; (2)四川大学原子与分子物理研究所,成都 610065; (3)中国工程物理研究院激光聚变中心高温高密度等离子体国家重点实验室,绵阳 621900; (4)中国工程物理研究院激光聚变中心高温高密度等离子体国家重点实验室,绵阳 621900;四川大学原子与分子物理研究所,成都 610065

Abstract: On the SILEX-Ⅰlaser facility, we measured the transmission spectra after ultrashort and ultraintense laser pulse interaction with tenuous plasma. Due to the existence of the wakefield, the time-dependent refractive index of the plasma can accelerate or decelerate photons of laser pulse when the laser pulse propagates in the plasma. Its main features are the spliting of the fundamental frequency and its evident broadening in the laser transmission spectra.The side_band wave which is often associated with Raman and Self modulation were not observed in our experiments. Utilizing the LPIC++ code, we also simulated the transmission spectrum after the ultrashort_ultrahigh intensity laser pulse interacts with the tenuous plasma. The simulation results are in good agreement with the experiment results.

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