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Properties of long light filaments in natural environment

         

摘要

The multiple filamentation of terawatt femtosecond (fs) laser pulses is experimentally studied in a natural environment.A more than 30-m long plasma filament with a millimeter diameter is formed by the collimated fs laser pulse freely propagating in an open atmosphere. This study provides the first quantitative experimental data about the electron density of a long range light filament in the atmosphere. The electron density of such a filament is quantitatively detected by using an electric method, showing that it is at the 1011-cm??3 level.

著录项

  • 来源
    《中国物理:英文版》 |2018年第8期|374-377|共4页
  • 作者单位

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Physical Sciences, University of Chinese Academy of Sicences, Beijing 100049, China;

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Physical Sciences, University of Chinese Academy of Sicences, Beijing 100049, China;

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Physical Sciences, University of Chinese Academy of Sicences, Beijing 100049, China;

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Physical Sciences, University of Chinese Academy of Sicences, Beijing 100049, China;

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Instrumentation Science and Optoelectronics Engineering, Beijing Information Science&Technology University, Beijing 100192, China;

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Physical Sciences, University of Chinese Academy of Sicences, Beijing 100049, China;

    Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China;

    Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China;

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Physical Sciences, University of Chinese Academy of Sicences, Beijing 100049, China;

    IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China;

    Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    School of Physical Sciences, University of Chinese Academy of Sicences, Beijing 100049, China;

    IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China;

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