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Volume 27 Issue 3
Sep.  2013
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Citation:
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Filamentation of femtosecond laser pulse in atmosphere and its application

  • 1.

    Institute of Telecommunication Engineering, Air Force University, Xi'an, 710077

  • Received Date: 2002-05-31
  • The mechanism of filamentation formed by femtosecond pulse laser beam propagating in atmosphere is investigated.The balance between the self-focusing of laser beam due to Kerr effect is countered by plasma defocusing caused by multiphoton ionization creates the stabilized long-distance filament propagation in atmosphere.The potential application of filament in ultra-wide-band lidar and laser induced lightning is also analyzed.
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    Akozbek N,Bowden C,Talepour A et al. Phys Rev E,2000,61(16):4540.
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    Braun A,Korn G,Liu X et al,Opt Lett,1995,20(1):73.
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    Brinkmann U. Laser Focus World,1999,35 (11):59.
    [5] 杨辉,张杰.物理,2001,30(1):18～21.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Filamentation of femtosecond laser pulse in atmosphere and its application

  • 1. Institute of Telecommunication Engineering, Air Force University, Xi'an, 710077
  • Received Date: 2002-05-31
  • Available Online: 2003-05-25

Abstract: The mechanism of filamentation formed by femtosecond pulse laser beam propagating in atmosphere is investigated.The balance between the self-focusing of laser beam due to Kerr effect is countered by plasma defocusing caused by multiphoton ionization creates the stabilized long-distance filament propagation in atmosphere.The potential application of filament in ultra-wide-band lidar and laser induced lightning is also analyzed.

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