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Intense terahertz radiation from relativistic laser-plasma interactions

机译：来自相对论激光等离子体相互作用的强烈的太赫兹辐射

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摘要

The development of tabletop intense terahertz (THz) radiation sources is extremely important for THz science and applications. This paper presents our measurements of intense THz radiation from relativistic laser-plasma interactions under different experimental conditions. Several THz generation mechanisms have been proposed and investigated, including coherent transition radiation (CTR) emitted by fast electrons from the target rear surface, transient current radiation at the front of the target, and mode conversion from electron plasma waves (EPWs) to THz waves. The results indicate that relativistic laser plasma is a promising driver of intense THz radiation sources.
机译：桌面强烈的太赫兹（THz）辐射源的发展对于科学和应用来说非常重要。 本文介绍了在不同实验条件下的相对论激光 - 血浆相互作用的激烈THz辐射测量。 已经提出和研究了几种THz生成机制，包括由目标后表面的快速电子发射的相干过渡辐射（CTR），目标前部的瞬态电流辐射，以及从电子等离子波（EPW）到波浪的模式转换 。 结果表明，相对论的激光等离子体是强烈THz辐射源的有希望的驱动器。

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    Liao G. Q.; Li Y. T.; Li C.; Liu H.; Zhang Y. H.; Jiang W. M.; Yuan X. H.; Nilsen J.; Ozaki T.; Wang W. M.; Sheng Z. M.; Neely D.; McKenna P.; Zhang J.;

  • 作者单位

    Chinese Acad Sci Inst Phys Beijing Natl Lab Condensed Matter Phys Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Phys Beijing Natl Lab Condensed Matter Phys Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Phys Beijing Natl Lab Condensed Matter Phys Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Phys Beijing Natl Lab Condensed Matter Phys Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Phys Beijing Natl Lab Condensed Matter Phys Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Phys Beijing Natl Lab Condensed Matter Phys Beijing 100190 Peoples R China;

    Shanghai Jiao Tong Univ Key Lab Laser Plasmas MoE Shanghai 200240 Peoples R China;

    Lawrence Livermore Natl Lab 7000 East Ave Livermore CA 94551 USA;

    INRS EMT 1650 Blvd Lionel Boulet Varennes PQ J3X 1S2 Canada;

    Chinese Acad Sci Inst Phys Beijing Natl Lab Condensed Matter Phys Beijing 100190 Peoples R China;

    Shanghai Jiao Tong Univ Key Lab Laser Plasmas MoE Shanghai 200240 Peoples R China;

    STFC Rutherford Appleton Lab Cent Laser Facil Didcot OX11 0QX Oxon England;

    Univ Strathclyde Dept Phys SUPA Glasgow G4 0NG Lanark Scotland;

    Shanghai Jiao Tong Univ Key Lab Laser Plasmas MoE Shanghai 200240 Peoples R China;

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  • 正文语种 eng
  • 中图分类 等离子体物理学;
  • 关键词

    intense terahertz radiation; laser-plasma interactions; coherent transition radiation; transient current; mode conversion;

    机译：强烈的太赫兹辐射;激光等离子体相互作用;相干过渡辐射;瞬态电流;模式转换;

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