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神光III主机极向驱动靶丸表面辐照均匀性

余波 丁永坤 蒋炜 黄天晅 陈伯伦 蒲昱东 晏骥 陈忠靖 张兴 杨家敏 江少恩 郑坚

神光III主机极向驱动靶丸表面辐照均匀性

余波, 丁永坤, 蒋炜, 黄天晅, 陈伯伦, 蒲昱东, 晏骥, 陈忠靖, 张兴, 杨家敏, 江少恩, 郑坚
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  • 极向驱动是在间接驱动构型的激光装置中,通过重瞄各束激光的位置,实现较均匀的靶丸表面激光辐照,以研究直接驱动惯性约束聚变的关键物理问题.介绍了神光III主机装置的激光排布和焦斑特点,以及激光束重瞄方法和靶丸表面激光辐照均匀性优化原则.给出了三阶和五阶超高斯近似下的激光焦斑强度分布,540 m靶丸在能量沉积满足cos2和cos 假设时靶丸表面最均匀辐照的移束参数,以及二维辐射流体程序模拟最优移束时的内爆对称性结果.二维模拟结果表明,按cos假设移束的热斑更对称.分析了激光的束间功率不平衡、激光束重瞄精度和靶丸定位精度对靶丸表面辐照均匀性的影响.模拟结果表明,为了不显著降低靶丸表面辐照均匀性,需要将束间功率不平衡控制在5%以内,激光束重瞄精度和靶丸定位精度控制在7 m以内.
      通信作者: 余波, yubobnu@163.com
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    Krasheninnikova N S, Cobble J A, Murphy T J, Tregillis I L, Bradley P A, Hakel P, Hsu S C, Kyrala G A, Obrey K A, Schmitt M J, Baumgaertel J A, Batha S H 2014 Phys. Plasmas 21 042703

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    Radha P B, Marshall F J, Marozas J A, Shvydky A, Gabalski I, Boehly T R, Collins T J B, Craxton R S, Edgell D H, Epstein R, Frenje R A, Froula D H, Goncharov V N, Hohenberger M, McCrory R L, McKenty P W, Meyerhofer D D, Petrasso R D, Sangster T C, Skupsky S 2013 Phys. Plasmas 20 056306

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    Schmitt M J, Bradley P A, Cobble J A, Fincke J R, Hakel P, Hsu S C, Krasheninnikova N S, Kyrala G A, Magelssen G R, Montgomery D S, Murphy T J, Obrey K A, Shah R C, Tregillis I L, Baumgaertel J A, Wysocki F J, Batha S H, Craxton R S, McKenty P W, Fitzsimmons P, Nikroo A, Wallace R 2013 Phys. Plasmas 20 056310

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    Hohenberger M, Radha P B, Myatt J F, LePape S, Marozas J A, Marshall F J, Michel D T, Regan S P, Seka W, Shvydky A, Sangster T C, Bates J W, Betti R, Boehly T R, Bonino M J, Casey D T, Collins T J B, Craxton R S, Delettrez J A, Edgell D H, Epstein R, Fiksel G, Fitzsimmons P, Frenje J A, Froula D H, Goncharov V N, Harding D R, Kalantar D H, Karasik M, Kessler T J, Kilkenny J D, KnauerJ P, Kurz C, Lafon M, LaFortune K N, MacGowan B J, Mackinnon A J, MacPhee A G, McCrory R L, McKenty P W, Meeker J F, Meyerhofer D D, Nagel S R, Nikroo A, Obenschain S, Petrasso R D, Ralph J E, Rinderknecht H G, Rosenberg M J, Schmitt A J, Wallace R J, Weaver J, Widmayer W, Skupsky S, Solodov A A, Stoeckl C, Yaakobi B, Zuegel J D 2015 Phys. Plasmas 22 056308

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    Murphy T J, Krasheninnikova N S, Kyrala G A, Bradley P A, Baumgaertel J A, Cobble J A, Hakel P, Hsu S C, Kline J L, Montgomery D S, Obrey K A D, Shah R C, Tregillis I L, Schmitt M J, Kanzleiter R J, Batha S H, Wallace R J, Bhandarkar S D, Fitzsimmons P, Hoppe M L, Nikroo A, Hohenberger M, McKenty P W, Rinderknecht H G, Rosenberg M J, Petrasso R D 2015 Phys. Plasmas 22 092707

    [19]

    Weilacher F, Radha P B, Collins T J B, Marozas J A 2015 Phys. Plasmas 22 032701

    [20]

    Temporal M, Canaud B, Garbett W J, Ramis R 2014 Phys. Plasmas 21 012710

    [21]

    Ramis R, Temporal M, Canaud B, Brandon V 2014 Phys. Plasmas 21 082710

    [22]

    Deng X W, Zhou W, Yuan Q, Dai W J, Hu D X, Zhu Q H, Jing F 2015 Acta Phys. Sin. 64 195203 (in Chinese) [邓学伟,周维,袁强,代万俊,胡东霞,朱启华,景峰 2015 物理学报 64 195203]

    [23]

    Deng X W, Zhu Q H, Zheng W G, Wei X F, Jing F, Hu D X, Zhou W, Feng B, Wang J J, Peng Z T, Liu L Q, Chen Y B, Ding L, Lin D H, Guo L F, Dang Z 2014 Proc. of SPIE 9266 926607

    [24]

    Schmitt A J 1984 Appl. Phys. Lett. 44 399

    [25]

    Yang C L, Zhang R Z, Xu Q, Ma P 2008 Appl. Opt. 47 1465

    [26]

    Basko M 1996 Phys. Plasmas 3 4148

    [27]

    Froula D H, Igumenshchev I V, Michel D T, Edgell D H, Follett R, Glebov V Y, Goncharov V N, Kwiatkowski J, Marshall F J, Radha P B, Seka W, Sorce C, Stagnitto S, Stoeckl C, Sangster T C 2012 Phys. Rev. Lett. 108 125003

    [28]

    Ramis R, Meyer-ter-Vehn J, Ramireza J 2009 Comput. Phys. Commun. 180 977

  • [1]

    Nuckolls J, Wood L, Thiessen A, Zimmerman G 1972 Nature 239 129

    [2]

    Atzeni S, Meyer-ter-Vehn J 2004 The Physics of Inertial Fusion: Beam Plasma Interaction, Hydrodynamics, Hot Dense Matter (Oxford: Clarendon Press) p32

    [3]

    Lindl J D 1995 Phys. Plasmas 2 3933

    [4]

    Lindl J D, Amendt P, Berger R L, Glendinning S G, Glenzer S H, Haan S W, Kauffman R L, Landen O L, Suter L J 2004 Phys. Plasmas 11 339

    [5]

    Bodner S E, Colombant D G, Gardner J H, Lehmberg R H, Obenschain S P, Phillips L, Schmitt A J, Sethian J D, McCrory R L, Seka W, Verdon C P, Knauer J P, Afeyan B B, Powell H T 1998 Phys. Plasmas 5 1901

    [6]

    Craxton R S, Anderson K S, Boehly T R, Goncharov V N, Harding D R, Knauer J P, McCrory R L, McKenty P W, Meyerhofer D D, Myatt J F, Schmitt A J, Sethian J D, Short R W, Skupsky S, Theobald W, Kruer W L, Tanaka K, Betti R, Collins T J B, Delettrez J A, Hu S X, Marozas J A, Maximov A V, Michel D T, Radha P B, Regan S P, Sangster T C, Seka W, Solodov A A, Soures J M, Stoeckl C, Zuegel J D 2015 Phys. Plasmas 22 110501

    [7]

    Lindl J, Landen O, Edwards J, Moses E D, NIC Team 2014 Phys. Plasmas 21 020501

    [8]

    Skupsky S, Marozas J A, Craxton R S, Betti R, Collins T J B, Delettrez J A, Goncharov V N, McKenty P W, Radha P B, Boehly T R, Knauer J P, Marshall F J, Harding D R, Kilkenny J D, Meyerhofer D D, Sangster T C, McCrory R L 2004 Phys. Plasmas 11 2763

    [9]

    Cok A M, Craxton R S, McKenty P W 2008 Phys. Plasmas 15 082705

    [10]

    Collins T J B, Marozas J A, Anderson K S, Betti R, Craxton R S, Delettrez J A, Goncharov V N, Harding D R, Marshall F J, McCrory R L, Meyerhofer D D, McKenty P W, Radha P B, Shvydky A, Skupsky S, Zuegel J D 2012 Phys. Plasmas 19 056308

    [11]

    Craxton R S, Marshall F J, Bonino M J, Epstein R, McKenty P W, Skupsky S, Delettrez J A, Igumenshchev I V, Jacobs-Perkins D W, Knauer J P, Marozas J A, Radha P B, Seka W 2005 Phys. Plasmas 12 056304

    [12]

    Radha P B, Marozas J A, Marshall F J, Shvydky A, Collins T J B, Goncharov V N, McCrory R L, McKenty P W, Meyerhofer D D, Sangster T C, Skupsky S 2012 Phys. Plasmas 19 082704

    [13]

    Krasheninnikova N S, Cobble J A, Murphy T J, Tregillis I L, Bradley P A, Hakel P, Hsu S C, Kyrala G A, Obrey K A, Schmitt M J, Baumgaertel J A, Batha S H 2014 Phys. Plasmas 21 042703

    [14]

    Radha P B, Marshall F J, Marozas J A, Shvydky A, Gabalski I, Boehly T R, Collins T J B, Craxton R S, Edgell D H, Epstein R, Frenje R A, Froula D H, Goncharov V N, Hohenberger M, McCrory R L, McKenty P W, Meyerhofer D D, Petrasso R D, Sangster T C, Skupsky S 2013 Phys. Plasmas 20 056306

    [15]

    Moses E I 2008 Fusion Sci. Technol. 54 361

    [16]

    Schmitt M J, Bradley P A, Cobble J A, Fincke J R, Hakel P, Hsu S C, Krasheninnikova N S, Kyrala G A, Magelssen G R, Montgomery D S, Murphy T J, Obrey K A, Shah R C, Tregillis I L, Baumgaertel J A, Wysocki F J, Batha S H, Craxton R S, McKenty P W, Fitzsimmons P, Nikroo A, Wallace R 2013 Phys. Plasmas 20 056310

    [17]

    Hohenberger M, Radha P B, Myatt J F, LePape S, Marozas J A, Marshall F J, Michel D T, Regan S P, Seka W, Shvydky A, Sangster T C, Bates J W, Betti R, Boehly T R, Bonino M J, Casey D T, Collins T J B, Craxton R S, Delettrez J A, Edgell D H, Epstein R, Fiksel G, Fitzsimmons P, Frenje J A, Froula D H, Goncharov V N, Harding D R, Kalantar D H, Karasik M, Kessler T J, Kilkenny J D, KnauerJ P, Kurz C, Lafon M, LaFortune K N, MacGowan B J, Mackinnon A J, MacPhee A G, McCrory R L, McKenty P W, Meeker J F, Meyerhofer D D, Nagel S R, Nikroo A, Obenschain S, Petrasso R D, Ralph J E, Rinderknecht H G, Rosenberg M J, Schmitt A J, Wallace R J, Weaver J, Widmayer W, Skupsky S, Solodov A A, Stoeckl C, Yaakobi B, Zuegel J D 2015 Phys. Plasmas 22 056308

    [18]

    Murphy T J, Krasheninnikova N S, Kyrala G A, Bradley P A, Baumgaertel J A, Cobble J A, Hakel P, Hsu S C, Kline J L, Montgomery D S, Obrey K A D, Shah R C, Tregillis I L, Schmitt M J, Kanzleiter R J, Batha S H, Wallace R J, Bhandarkar S D, Fitzsimmons P, Hoppe M L, Nikroo A, Hohenberger M, McKenty P W, Rinderknecht H G, Rosenberg M J, Petrasso R D 2015 Phys. Plasmas 22 092707

    [19]

    Weilacher F, Radha P B, Collins T J B, Marozas J A 2015 Phys. Plasmas 22 032701

    [20]

    Temporal M, Canaud B, Garbett W J, Ramis R 2014 Phys. Plasmas 21 012710

    [21]

    Ramis R, Temporal M, Canaud B, Brandon V 2014 Phys. Plasmas 21 082710

    [22]

    Deng X W, Zhou W, Yuan Q, Dai W J, Hu D X, Zhu Q H, Jing F 2015 Acta Phys. Sin. 64 195203 (in Chinese) [邓学伟,周维,袁强,代万俊,胡东霞,朱启华,景峰 2015 物理学报 64 195203]

    [23]

    Deng X W, Zhu Q H, Zheng W G, Wei X F, Jing F, Hu D X, Zhou W, Feng B, Wang J J, Peng Z T, Liu L Q, Chen Y B, Ding L, Lin D H, Guo L F, Dang Z 2014 Proc. of SPIE 9266 926607

    [24]

    Schmitt A J 1984 Appl. Phys. Lett. 44 399

    [25]

    Yang C L, Zhang R Z, Xu Q, Ma P 2008 Appl. Opt. 47 1465

    [26]

    Basko M 1996 Phys. Plasmas 3 4148

    [27]

    Froula D H, Igumenshchev I V, Michel D T, Edgell D H, Follett R, Glebov V Y, Goncharov V N, Kwiatkowski J, Marshall F J, Radha P B, Seka W, Sorce C, Stagnitto S, Stoeckl C, Sangster T C 2012 Phys. Rev. Lett. 108 125003

    [28]

    Ramis R, Meyer-ter-Vehn J, Ramireza J 2009 Comput. Phys. Commun. 180 977

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  • 收稿日期:  2017-03-26
  • 修回日期:  2017-05-02
  • 刊出日期:  2017-07-20

神光III主机极向驱动靶丸表面辐照均匀性

  • 1. 中国科学技术大学近代物理系, 合肥 230026;
  • 2. 中国工程物理研究院激光聚变研究中心, 绵阳 621900;
  • 3. 北京应用物理与计算数学研究所, 北京 100088
  • 通信作者: 余波, yubobnu@163.com

摘要: 极向驱动是在间接驱动构型的激光装置中,通过重瞄各束激光的位置,实现较均匀的靶丸表面激光辐照,以研究直接驱动惯性约束聚变的关键物理问题.介绍了神光III主机装置的激光排布和焦斑特点,以及激光束重瞄方法和靶丸表面激光辐照均匀性优化原则.给出了三阶和五阶超高斯近似下的激光焦斑强度分布,540 m靶丸在能量沉积满足cos2和cos 假设时靶丸表面最均匀辐照的移束参数,以及二维辐射流体程序模拟最优移束时的内爆对称性结果.二维模拟结果表明,按cos假设移束的热斑更对称.分析了激光的束间功率不平衡、激光束重瞄精度和靶丸定位精度对靶丸表面辐照均匀性的影响.模拟结果表明,为了不显著降低靶丸表面辐照均匀性,需要将束间功率不平衡控制在5%以内,激光束重瞄精度和靶丸定位精度控制在7 m以内.

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