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Volume 23 Issue 5
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 1999 >  23(5): 304-308

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The analysis of the third harmonic generation schemes for ICF drivers

  • 1.

    Intitute of Laser Physics & Chemistry, Sichuan University, Chengdu, 610064;

  • 2.

    Institute of Nuclear Physics & Chemistry, CAEP, Chengdu, 610003

  • Received Date: 1998-08-07
  • In this paper, using numerical calculation,we analyzed the type Ⅰ/type Ⅱ angle detuning and type Ⅱ/type Ⅱ polarization mismatching third harmonic generation (THG) scheme,and gave the tripling frequency transferring efficiency curves.Meanwhile the laser pulse shape of the fundamental beam is flat in space and Gaussian in time,or extra Gaussian (sixth order) in space and Gaussian in time.With the variation of input intensity from 0 to 10GW/cm2, the tripling transfer efficiency changed,and at the point of 5GW/cm2 the optimum tripling efficiency obtained.This paper has the important reference value to THG experiments for ICF.
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    Barker C E,van Wonterghem B M,Auerbach J M et al.SPIE,1997;2633:398
    [2]

    Craxton R S IEEE J Q E,1981;Q E17(9):1771
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    Craxton R S,Jacobs S D,Rizzo J E et al.IEEE J Q E,1981;Q E17(9):1782
    [4] 蔡希洁,舒美冬,覃文骅光学学报,1985;5(11):975
    [5]

    Barker C E,Sacks R A,van Wonterghem B M et al.SPIE,1997;2633:501
    [6] 任兆玉,张纪岳激光杂志,1997;18(4):18
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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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The analysis of the third harmonic generation schemes for ICF drivers

  • 1. Intitute of Laser Physics & Chemistry, Sichuan University, Chengdu, 610064;
  • 2. Institute of Nuclear Physics & Chemistry, CAEP, Chengdu, 610003
  • Received Date: 1998-08-07
  • Available Online: 1999-09-25

Abstract: In this paper, using numerical calculation,we analyzed the type Ⅰ/type Ⅱ angle detuning and type Ⅱ/type Ⅱ polarization mismatching third harmonic generation (THG) scheme,and gave the tripling frequency transferring efficiency curves.Meanwhile the laser pulse shape of the fundamental beam is flat in space and Gaussian in time,or extra Gaussian (sixth order) in space and Gaussian in time.With the variation of input intensity from 0 to 10GW/cm2, the tripling transfer efficiency changed,and at the point of 5GW/cm2 the optimum tripling efficiency obtained.This paper has the important reference value to THG experiments for ICF.

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