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Study on K-shell X-ray production of double-shellneon gas puff Z-pinch

Lü Min Wu Gang Qiu Ai-Ci Wang Liang-Ping Qiu Meng-Tong Cong Pei-Tian

Study on K-shell X-ray production of double-shellneon gas puff Z-pinch

Lü Min, Wu Gang, Qiu Ai-Ci, Wang Liang-Ping, Qiu Meng-Tong, Cong Pei-Tian
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  • The main results of investigation on K-shell X-ray production of double-shell neon gas puff Z-pinch, driven by Qiangguang-I facility (1.6 MA, 70 ns), are reported. The exit radii of the outer and inner shells are 1.5—1.4 cm and 0.75—0.6 cm, respectively. Both shells have a throat width of 0.32 mm, while the ratio of the throat radii is 2.8 ∶1, to which the mass ratio would be approximately equal for identical plenum pressures. K-shell yield and peak power up to 7 kJ and 0.28 TW, respectively, for a 20 ns full width at half maximum pulse have been obtained with about 120 ns implosions, the load mass per unit length of which are estimated to be 60—70 μg/cm. Time-resolved X-ray images show that RT instability during the implosion stage has been well suppressed, resulting in a final pinch diameter compressed to less than 2.5 mm. The final implosion velocity exceeds 25 cm/μs. K-shell yields and peak powers are largely reduced with longer implosion time. For shots with lower mass, i.e. 28—63 μg/cm, the electron temperature inferred from time-gated K-shell spectra should be greater than 500 eV, implying an overheated plasma column being formed in the stagnation stage. While for shots with load mass of 72—80 μg/cm, time resolved electron temperatures are in the range of 300—400 eV. The inferred ion densities of the K-shell emitting region are in the range of (3—9)×1019 cm-3, which have been used to calculate the mass fractions that contribute to K-shell radiation. Those shots with near 7 kJ yields also have maximum K-shell emitting load mass (about 46 μg/cm).
    • Funds:
    [1]

    Hua X S, Peng X J 2009 High Power Laser and Particle Beams 21 801 (in Chinese) [华欣生、彭先觉 2009 强激光与粒子束 21 801]

    [2]

    Qiu A C 2000 Engineering Science 2 24 (in Chinese) [邱爱慈 2000 中国工程科学 2 24]

    [3]

    Wu G, Qiu A C, Lv M, Kuai B, Wang L P, Cong P T, Qiu M T, Lei T S, Sun T P, Guo N, Han J J, Zhang X J, Huang T, Zhang G W, Qiao K L 2009 Acta Phys. Sci. 58 4779 (in Chinese) [吴 刚、邱爱慈、吕 敏、蒯 斌、王亮平、丛培天、邱孟通、雷天时、孙铁平、郭 宁、韩娟娟、张信军、黄 涛、张国伟、乔开来 2009 物理学报 58 4779]

    [4]

    Spielman R B, Deeney C, Chandler G A, Douglas M R, Fehl D L, Matzen M K, McDaniel D H, Nash T J, Porter J L, Sanford T W L, Seamen J F, Stygar W A, Struve K W, Breeze S P, McGurn J S, Torres J A, Zagar D M, Gilliland T L, Jobe D O, McKenney J L, Mock R C, Vargas M, Wagoner T, Peterson D L 1998 Phys. Plasmas 5 2105

    [5]

    Coverdale C A, Deeney D, Jones B, Thornhill J W, Whitney K G, Velikovich A L, Clark R W, Chong Y K, Apruzese J P, Davis J, Lepell P D 2007 IEEE Trans. Plasma Sci. 35 582

    [6]

    Sze H, Levine J S, Banister J, Failor B H, Qi N, Steen P, Velikovich A L, Davis J, Wilson A 2007 Phys. Plasmas 14 056307

    [7]

    Xu R K, Li Z H, Ning J M, Guo C, Xu Z P, Yang J L, Li L B, Xia G X, Hua X S, Ding N, Liu Q, Gu Y C, Grabovsky E V, Oleynic G M, Nedoseev S L, Alexandro V V, Mitrofanov K N, Zurin M V, Volkov G S, Porofeev I A, Frolov I N, Smirnov V P 2005 Chin. Phys. 14 1613

    [8]

    Qiu A C, Kuai B, Zeng Z Z, Wang W S, Qiu M T, Wang L P, Cong P T, Lv M 2006 Acta Phys. Sin. 55 5917 (in Chinese) [邱爱慈、蒯 斌、曾正中、王文生、邱孟通、王亮平、丛培天、吕 敏 2006 物理学报 55 5917]

    [9]

    Kuai B, Cong P T, Zeng Z Z, Qiu A C, Qiu M T, Chen H, Liang T X, He W L, Wang L P, Zhang Z 2002 Plas. Sci. Tech. 4 1329

    [10]

    Huang X B, Yang L B, Gu Y C, Deng J J, Zhou R G, Zou J, Zhou S T, Zhang S Q, Chen G H, Chang L H, Li F P, Ouyang K, Li J, Yang L, Wang X, Zhang Z H 2006 Acta Phys. Sin. 55 1900 (in Chinese) [黄显宾、杨礼兵、顾元朝、邓建军、周荣国、邹 杰、周少彤、张思群、陈光华、畅里华、李丰平、欧阳凯、李 军、杨 亮、王 雄、张朝辉 2006 物理学报 55 1900]

    [11]

    Ren X D, Huang X B, Zhou S T, Zhang S Q, Li J, Yang L B, Li P 2009 Acta Phys. Sin. 58 7067 (in Chinese) [任晓东、黄显宾、周少彤、张思群、李 晶、杨礼兵、李 平 2009 物理学报 58 7067]

    [12]

    Stephanakis S J, Apruzese J P, Burkhalter P G, Davis J, Meger R A, McDonald S W, Mehlman G, Ottinger P F, Young F C 1986 Appl. Phys. Lett. 48 829

    [13]

    Deeney C, LePell P D, Roth I, Nash T, Warren L, Prasad R R, Coulter M C, Whitney K G 1992 J. Appl. Phys. 72 1297

    [14]

    Qiu A C, Kuai B, Wang L P, Wu G, Cong P T 2008 High Power Laser and Particle Beams 20 1911 (in Chinese) [邱爱慈、蒯 斌、王亮平、吴 刚、丛培天 2008 强激光与粒子束 20 1911]

    [15]

    Chung H K, Chen M H, Morgan W L, Ralchenko Y, Lee R W 2005 High Energy Density Physics 1 3

    [16]

    Apruzese J P, Whitney K G, Davis J, Kepple P C 1997 J. Quant. Spectrosc. Radiat. Transfer 57 41

    [17]

    Qiu M T, Lv M, Wang K L, Hei D W, Qiu A C, Zeng Z Z, Du J Y, Kuai B, Yuan Y, Tian H, Sun F R, Luo J H 2003 High Power Laser and Particle Beams 15 101 (in Chinese) [邱孟通、吕 敏、王奎禄、黑东炜、邱爱慈、曾正中、杜继业、蒯 斌、袁 媛、田 慧、孙凤荣、罗建辉 2003 强激光与粒子束 15 101]

    [18]

    Wu G, Qiu A C, Lv M, Hei D W, Sheng L, Wei F L, Kuai B, Wang L P, Cong P T, Lei T S, Han J J, Sun T P 2009 High Power Laser and Particle Beams 21 1115 (in Chinese) [吴 刚、邱爱慈、吕 敏、黑东炜、盛 亮、魏福利、蒯 斌、王亮平、丛培天、雷天时、韩娟娟、孙铁平 2009 强激光与粒子束 21 1115]

    [19]

    Mosher D, Weber B V, Moosman B, Commisso R J, Coleman P, Waisman E, Sze H, Song Y, Parks D, Steen P, Levine J, Failor B, Fisher A 2001 Laser and Particle Beams 19 579

    [20]

    Douglas M R, Deeney C, Roderick N F 1997 Phys. Rev. Lett. 78 4577

    [21]

    Commisso R J, Apruzese J P, Black D C, Boller J R, Moosman B, Mosher D, Stephanakis S J, Weber B V, Young F C 1998 IEEE Trans. Plasma Sci. 26 1068

    [22]

    Thornhill J W, Velikovich A L, Clark R W, Apruzese J P, Davis J, Whitney K G, Coleman P L, Coverdale C A, Deeney C, Jones B M, LePell P D 2006 IEEE Trans. Plasma Sci. 34 2377

    [23]

    Velikovich A L, Cochran F L, Davis J 1996 Phys. Rev. Lett. 77 853

    [24]

    DeGroot J S, Toor A, Golberg S M, Liberman M A 1997 Phys. Plasmas 4 737

    [25]

    Sze H, Coleman P L, Failor B H, Fisher A, Levine J S, Song Y, Waisman E M, Apruzese J P, Chong Y K, Davis J, Cochran F L, Thornhill J W, Velikovich A L, Weber B V, Deeney C, Coverdale C A, Schneider R 2000 Phys. Plasmas 7 4223

    [26]

    Deeney C, Douglas M R, Spielman R B, Nash T J, Peterson D L, LEplattenier P, Chandler G A, Seamen, J F, Struve K W 1998 Phys. Rev. Lett. 81 4883

  • [1]

    Hua X S, Peng X J 2009 High Power Laser and Particle Beams 21 801 (in Chinese) [华欣生、彭先觉 2009 强激光与粒子束 21 801]

    [2]

    Qiu A C 2000 Engineering Science 2 24 (in Chinese) [邱爱慈 2000 中国工程科学 2 24]

    [3]

    Wu G, Qiu A C, Lv M, Kuai B, Wang L P, Cong P T, Qiu M T, Lei T S, Sun T P, Guo N, Han J J, Zhang X J, Huang T, Zhang G W, Qiao K L 2009 Acta Phys. Sci. 58 4779 (in Chinese) [吴 刚、邱爱慈、吕 敏、蒯 斌、王亮平、丛培天、邱孟通、雷天时、孙铁平、郭 宁、韩娟娟、张信军、黄 涛、张国伟、乔开来 2009 物理学报 58 4779]

    [4]

    Spielman R B, Deeney C, Chandler G A, Douglas M R, Fehl D L, Matzen M K, McDaniel D H, Nash T J, Porter J L, Sanford T W L, Seamen J F, Stygar W A, Struve K W, Breeze S P, McGurn J S, Torres J A, Zagar D M, Gilliland T L, Jobe D O, McKenney J L, Mock R C, Vargas M, Wagoner T, Peterson D L 1998 Phys. Plasmas 5 2105

    [5]

    Coverdale C A, Deeney D, Jones B, Thornhill J W, Whitney K G, Velikovich A L, Clark R W, Chong Y K, Apruzese J P, Davis J, Lepell P D 2007 IEEE Trans. Plasma Sci. 35 582

    [6]

    Sze H, Levine J S, Banister J, Failor B H, Qi N, Steen P, Velikovich A L, Davis J, Wilson A 2007 Phys. Plasmas 14 056307

    [7]

    Xu R K, Li Z H, Ning J M, Guo C, Xu Z P, Yang J L, Li L B, Xia G X, Hua X S, Ding N, Liu Q, Gu Y C, Grabovsky E V, Oleynic G M, Nedoseev S L, Alexandro V V, Mitrofanov K N, Zurin M V, Volkov G S, Porofeev I A, Frolov I N, Smirnov V P 2005 Chin. Phys. 14 1613

    [8]

    Qiu A C, Kuai B, Zeng Z Z, Wang W S, Qiu M T, Wang L P, Cong P T, Lv M 2006 Acta Phys. Sin. 55 5917 (in Chinese) [邱爱慈、蒯 斌、曾正中、王文生、邱孟通、王亮平、丛培天、吕 敏 2006 物理学报 55 5917]

    [9]

    Kuai B, Cong P T, Zeng Z Z, Qiu A C, Qiu M T, Chen H, Liang T X, He W L, Wang L P, Zhang Z 2002 Plas. Sci. Tech. 4 1329

    [10]

    Huang X B, Yang L B, Gu Y C, Deng J J, Zhou R G, Zou J, Zhou S T, Zhang S Q, Chen G H, Chang L H, Li F P, Ouyang K, Li J, Yang L, Wang X, Zhang Z H 2006 Acta Phys. Sin. 55 1900 (in Chinese) [黄显宾、杨礼兵、顾元朝、邓建军、周荣国、邹 杰、周少彤、张思群、陈光华、畅里华、李丰平、欧阳凯、李 军、杨 亮、王 雄、张朝辉 2006 物理学报 55 1900]

    [11]

    Ren X D, Huang X B, Zhou S T, Zhang S Q, Li J, Yang L B, Li P 2009 Acta Phys. Sin. 58 7067 (in Chinese) [任晓东、黄显宾、周少彤、张思群、李 晶、杨礼兵、李 平 2009 物理学报 58 7067]

    [12]

    Stephanakis S J, Apruzese J P, Burkhalter P G, Davis J, Meger R A, McDonald S W, Mehlman G, Ottinger P F, Young F C 1986 Appl. Phys. Lett. 48 829

    [13]

    Deeney C, LePell P D, Roth I, Nash T, Warren L, Prasad R R, Coulter M C, Whitney K G 1992 J. Appl. Phys. 72 1297

    [14]

    Qiu A C, Kuai B, Wang L P, Wu G, Cong P T 2008 High Power Laser and Particle Beams 20 1911 (in Chinese) [邱爱慈、蒯 斌、王亮平、吴 刚、丛培天 2008 强激光与粒子束 20 1911]

    [15]

    Chung H K, Chen M H, Morgan W L, Ralchenko Y, Lee R W 2005 High Energy Density Physics 1 3

    [16]

    Apruzese J P, Whitney K G, Davis J, Kepple P C 1997 J. Quant. Spectrosc. Radiat. Transfer 57 41

    [17]

    Qiu M T, Lv M, Wang K L, Hei D W, Qiu A C, Zeng Z Z, Du J Y, Kuai B, Yuan Y, Tian H, Sun F R, Luo J H 2003 High Power Laser and Particle Beams 15 101 (in Chinese) [邱孟通、吕 敏、王奎禄、黑东炜、邱爱慈、曾正中、杜继业、蒯 斌、袁 媛、田 慧、孙凤荣、罗建辉 2003 强激光与粒子束 15 101]

    [18]

    Wu G, Qiu A C, Lv M, Hei D W, Sheng L, Wei F L, Kuai B, Wang L P, Cong P T, Lei T S, Han J J, Sun T P 2009 High Power Laser and Particle Beams 21 1115 (in Chinese) [吴 刚、邱爱慈、吕 敏、黑东炜、盛 亮、魏福利、蒯 斌、王亮平、丛培天、雷天时、韩娟娟、孙铁平 2009 强激光与粒子束 21 1115]

    [19]

    Mosher D, Weber B V, Moosman B, Commisso R J, Coleman P, Waisman E, Sze H, Song Y, Parks D, Steen P, Levine J, Failor B, Fisher A 2001 Laser and Particle Beams 19 579

    [20]

    Douglas M R, Deeney C, Roderick N F 1997 Phys. Rev. Lett. 78 4577

    [21]

    Commisso R J, Apruzese J P, Black D C, Boller J R, Moosman B, Mosher D, Stephanakis S J, Weber B V, Young F C 1998 IEEE Trans. Plasma Sci. 26 1068

    [22]

    Thornhill J W, Velikovich A L, Clark R W, Apruzese J P, Davis J, Whitney K G, Coleman P L, Coverdale C A, Deeney C, Jones B M, LePell P D 2006 IEEE Trans. Plasma Sci. 34 2377

    [23]

    Velikovich A L, Cochran F L, Davis J 1996 Phys. Rev. Lett. 77 853

    [24]

    DeGroot J S, Toor A, Golberg S M, Liberman M A 1997 Phys. Plasmas 4 737

    [25]

    Sze H, Coleman P L, Failor B H, Fisher A, Levine J S, Song Y, Waisman E M, Apruzese J P, Chong Y K, Davis J, Cochran F L, Thornhill J W, Velikovich A L, Weber B V, Deeney C, Coverdale C A, Schneider R 2000 Phys. Plasmas 7 4223

    [26]

    Deeney C, Douglas M R, Spielman R B, Nash T J, Peterson D L, LEplattenier P, Chandler G A, Seamen, J F, Struve K W 1998 Phys. Rev. Lett. 81 4883

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  • Citation:
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Publishing process
  • Received Date:  12 December 2009
  • Accepted Date:  15 March 2010
  • Published Online:  15 January 2011

Study on K-shell X-ray production of double-shellneon gas puff Z-pinch

  • 1. (1)Department of Engineering Physics, Tsinghua University,Beijing 100084, China; (2)Department of Engineering Physics, Tsinghua University,Beijing 100084, China;Northwest Institute of Nuclear Technology, Xi'an 710024, China; (3)Northwest Institute of Nuclear Technology, Xi'an 710024, China

Abstract: The main results of investigation on K-shell X-ray production of double-shell neon gas puff Z-pinch, driven by Qiangguang-I facility (1.6 MA, 70 ns), are reported. The exit radii of the outer and inner shells are 1.5—1.4 cm and 0.75—0.6 cm, respectively. Both shells have a throat width of 0.32 mm, while the ratio of the throat radii is 2.8 ∶1, to which the mass ratio would be approximately equal for identical plenum pressures. K-shell yield and peak power up to 7 kJ and 0.28 TW, respectively, for a 20 ns full width at half maximum pulse have been obtained with about 120 ns implosions, the load mass per unit length of which are estimated to be 60—70 μg/cm. Time-resolved X-ray images show that RT instability during the implosion stage has been well suppressed, resulting in a final pinch diameter compressed to less than 2.5 mm. The final implosion velocity exceeds 25 cm/μs. K-shell yields and peak powers are largely reduced with longer implosion time. For shots with lower mass, i.e. 28—63 μg/cm, the electron temperature inferred from time-gated K-shell spectra should be greater than 500 eV, implying an overheated plasma column being formed in the stagnation stage. While for shots with load mass of 72—80 μg/cm, time resolved electron temperatures are in the range of 300—400 eV. The inferred ion densities of the K-shell emitting region are in the range of (3—9)×1019 cm-3, which have been used to calculate the mass fractions that contribute to K-shell radiation. Those shots with near 7 kJ yields also have maximum K-shell emitting load mass (about 46 μg/cm).

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