Fast ignition by laser driven particle beams of very high intensity

Heinrich Hora, Jan Badziak, M. N. Read, Yu-Tong Li, Tian-Jiao Liang, Yu Cang, Hong Liu, Zheng-Ming Sheng, Jie Zhang, Frederick Osman, George H. Miley, Weiyan Zhang, Xiantu He, Hansheng Peng, Sebastian Glowacz, Sebastian Jablonski, Jerzy Wolowski, Z. Skladanowski, Karel Jungwirth, Karel Rohlena

    Research output: Contribution to journalArticle

    114 Citations (Scopus)

    Abstract

    Anomalous observations using the fast ignition for laser driven fusion energy are interpreted and experimental and theoretical results are reported which are in contrast to the very numerous effects usually observed at petawatt-picosecond laser interaction with plasmas. These anomalous mechanisms result in rather thin blocks (pistons) of these nonlinear (ponderomotive) force driven highly directed plasmas of modest temperatures. The blocks consist in space charge neutral plasmas with ion current densities above 1010 A/cm2. For the needs of applications in laser driven fusion energy, much thicker blocks are required. This may be reached by a spherical configuration where a conical propagation may lead to thick blocks for interaction with targets. First results are reported in view of applications for the proton fast igniter and other laser-fusion energy schemes.
    Original languageEnglish
    Pages (from-to)72701-72705
    Number of pages5
    JournalPhysics of Plasmas
    Volume14
    Issue number7
    DOIs
    Publication statusPublished - 2007

    Keywords

    • ions
    • lasers
    • particle beams
    • pistons
    • plasma (ionized gases)
    • temperature

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