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间接驱动方式具有提供更高冲击波压力的潜力,对冲击波物理研究来说是一种很好的驱动方式.针对间接驱动下X射线离化对透明窗口造成的致盲问题,提出了新的三明治靶型结构,以完成间接驱动下冲击波实验.该靶型可以用两种方法避免致盲效应对实验的干扰.一种方法是从时间上避开致盲效应,使致盲效应与冲击波测量区错开,从而获得冲击波数据.另一种方法是从强度上屏蔽X射线,将X射线阻挡在透明材料之前,使其不能产生致盲效应.对单冲击实验而言,用增加烧蚀层厚度的方法,将X射线离化效应与冲击波信号从时间上错开,获得了蓝宝石和石英晶体中冲击波实验的结果.用增加阻挡层的方法,获得了间接驱动条件下石英晶体和聚苯乙烯材料中的冲击波实验结果.提出的三明治靶型,为间接驱动条件下状态方程和冲击波调速技术提供了技术支持.Laser indirect-drive has the potential to get ultra-high pressure which is very useful for shock physics. The sandwiched target is used to suppress the ionization effect which causes the blanking area in optical streak camera (OSC) in indirect-drive experiment. The blanking effect can be avoided by the time scale and the intensity. With the thick ablator, the blanking effect appears before the shock wave arrives at the transparent material. Then the blanking effect can be avoided in time scale. With the high Z material, the X-ray which causes the blanking effect can be blocked before the transparent material. For one shock experiment, the shock wave result in Al2O3 is achieved after using the thick ablator to stagger the blanking effect and shock wave signal. The shock wave result in quartz and polystyrene material is obtained after the block layer has been added to the ablator layer. The sandwiched target provides the technique support for the equation of state and shock timing experiment in indirect-drive.
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Keywords:
- shock wave /
- optical diagnosis /
- ionization effect /
- interfere meter
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[2] [3] Hu S L 2001 Laser Interferometry for Measuring Velocities (Beijing :National Defence Industry Press)(in Chinese)[胡绍楼 2001 激光干涉测速技术(北京:国防工业出版社)]
[4] [5] Wang F, Peng X S, Liu S,Jiang X H, Ding Y K 2009 High Power Laser and Particle Beams 21 799 (in Chinese)[王 峰、彭晓世、刘慎业、蒋小华、丁永坤 2009 强激光与粒子束 21 799]
[6] Chen Y J, Yang Y Y, Zhuo Y M, Yang L M 2006 Opt. Instr. 28(2) 71 (in Chinese) [陈阳杰、杨甬英、卓永模、杨李铭 2006 光学仪器 28(2) 71]
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[20] Celliers P M, Collins G W, Hicks D G, Koenig M, Henry E, Benuzzi-Mounaix A, Batani D, Bradley D K, Da Silva L B, Wallace R J, Moon S J, Eggert J H, Lee K K M, Benedetti L R, Jeanloz R, Masclet I, Dague N, Marchet B, Gloahec Le M R, Reverdin Ch, Pasley J, Willi O, Neely D, Danson C 2004 Phys. Plasmas 11(8) L41
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[24] Li Y H, Liu F S, Ma H Y, Cheng X L, Ma X J, Sun Y Y, Zhang M J, Xue X D 2010 Acta Phys.Sin. 59 2104 (in Chinese)[李永宏、刘福生、马海云、程小理、马小娟、孙燕云、张明建、薛学东 2010 59 2104]
[25] [26] [27] Huang X G, Fu S Z, Shu H, Ye J J, Wu J, Xie Z Y, Fang Z H, Jia G, Luo P Q, Long T, He J H, Gu Y, Wang S J 2010 Acta Phys.Sin. 59 6394 (in Chinese) [黄秀光、傅思祖、舒 桦、叶君建、吴 江、谢志勇、方智恒、贾 果、罗平庆、龙 滔、何钜华、顾 援、王世绩 2010 59 6394]
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[1] Barker L M, Hollenbach R E 1972 J. Appl. Phys. 43 4669
[2] [3] Hu S L 2001 Laser Interferometry for Measuring Velocities (Beijing :National Defence Industry Press)(in Chinese)[胡绍楼 2001 激光干涉测速技术(北京:国防工业出版社)]
[4] [5] Wang F, Peng X S, Liu S,Jiang X H, Ding Y K 2009 High Power Laser and Particle Beams 21 799 (in Chinese)[王 峰、彭晓世、刘慎业、蒋小华、丁永坤 2009 强激光与粒子束 21 799]
[6] Chen Y J, Yang Y Y, Zhuo Y M, Yang L M 2006 Opt. Instr. 28(2) 71 (in Chinese) [陈阳杰、杨甬英、卓永模、杨李铭 2006 光学仪器 28(2) 71]
[7] [8] Celliers P M, Bradley D K, Collins G W, Hicks D G, Boehly T R, Armstrong W J 2004 Rev. Sci. Instrum. 75 4916
[9] [10] He M Q, Dong Q L, Sheg Z M, Weng S M, Chen M, Wu H C, Zhang J 2009 Acta Phys. Sin. 58 363 (in Chinese)[何民卿、董全力、盛政明、翁苏明、陈 民、武慧春、张 杰 2009 物理 学报 58 363]
[11] [12] [13] Zhang Y, Li Y T , Zheng Z Y, Liu F, Zhong J Y, Lin X X, Liu F, Lu X, Zhang J 2007 Chin. Phys. 16 3728
[14] Hicks D G, Celliers P M, Collins G W, Eggert J H, Moon S J 2003 Phys.Rev.Lett. 91 035502
[15] [16] [17] Theobald W, Miller J E, Boehly T R, Vianello E, Meyerhofer D D, Sangster T C, Eggert J, Celliers P M 2006 Phys. Plasmas 13 122702
[18] [19] Celliers P M, Collins G W, Da Silva L B, Gold D M, Cauble R, Wallace R J, Foord M E, Hammel B A 2000 Phys.Rev.Lett. 84 5564
[20] Celliers P M, Collins G W, Hicks D G, Koenig M, Henry E, Benuzzi-Mounaix A, Batani D, Bradley D K, Da Silva L B, Wallace R J, Moon S J, Eggert J H, Lee K K M, Benedetti L R, Jeanloz R, Masclet I, Dague N, Marchet B, Gloahec Le M R, Reverdin Ch, Pasley J, Willi O, Neely D, Danson C 2004 Phys. Plasmas 11(8) L41
[21] [22] [23] Wang H Y, Liu J H, Peng G R,Wang W K 2010 Chin. Phys. B 19 096203
[24] Li Y H, Liu F S, Ma H Y, Cheng X L, Ma X J, Sun Y Y, Zhang M J, Xue X D 2010 Acta Phys.Sin. 59 2104 (in Chinese)[李永宏、刘福生、马海云、程小理、马小娟、孙燕云、张明建、薛学东 2010 59 2104]
[25] [26] [27] Huang X G, Fu S Z, Shu H, Ye J J, Wu J, Xie Z Y, Fang Z H, Jia G, Luo P Q, Long T, He J H, Gu Y, Wang S J 2010 Acta Phys.Sin. 59 6394 (in Chinese) [黄秀光、傅思祖、舒 桦、叶君建、吴 江、谢志勇、方智恒、贾 果、罗平庆、龙 滔、何钜华、顾 援、王世绩 2010 59 6394]
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