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In order to achieve the high density compression in laser indirect-drive inertial confinement fusion, the implosion symmetry and hohlraum radiation uniformity are strictly required. To study the variations of implosion asymmetry with hohlraum length and time, three kinds of hohlraum lengths are adopted in experiment. X-ray emission from capsule fuel is measured by an X-ray framing camera. Based on measured capsule compression process and ellipticity variation, it is preliminarily judged that the medium hohlraum of 1700 μm long is the closest to implosion symmetry demand of Shenguang Ⅲ prototype laser facility. Time-resolved implosion asymmetry is derived from a simplified analytic model, in which used is the time-resolved hohlraum radiation nonuniformity derived from a view-factor code. The derived results of the time-resolved implosion asymmetry are basically in agreement with experimental results. The physical mechanism for how hohlraum radiation nonuniformity evolution induces the variations of implosion asymmetry with hohlraum length and time is analyzed.
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Keywords:
- implosion asymmetry /
- hohlraum radiation nonuniformity /
- hohlraum length /
- view-factor code
[1] Lindl J D 1995 Phys. Plasmas 2 3933
[2] 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
[3] Atzeni S, Meyer-ter-Vehn J 2003 Inertial Fusion (Oxford: Clarendon Press) p45
[4] Jiang S E, Ding Y K, Miao W Y, Liu S Y, Zheng Z J, Zhang B H, Huang T X, Li S W, Chen J B, Jiang X H, Yi R Q, Yang G H, Yang J M, Hu X, Cao Z R, Huang Y X 2009 Sci. China G 39 1571 (in Chinese) [江少恩, 丁永坤, 缪文勇, 刘慎业, 郑志坚, 张保汉, 黄天晅, 李三伟, 陈家斌, 蒋小华, 易荣清, 杨国洪, 杨家敏, 胡昕, 曹柱荣, 黄翼翔 2009 中国科学 G辑 39 1571]
[5] Hauer A, Delamater N, Ress D, Hsing W, Suter L, Powers L, Landen O, Harris D, Thiessen R, Magelssen G, Lindman E, Phillion D, Amendt P, Watt R, Hammel B 1995 Rev. Sci. Instrum. 66 672
[6] Hauer A, Suter L, Delamater N, Ress D, Powers L, Magelssen G, Harris D, Landen O, Lindmann E, Hsing W, Wilson D, Amendt P, Thiessen R, Kopp R, Phillion D, Hammel B, Baker D, Wallace J, Turner R, Cray M, Watt R, Kilkenny J, Mack J 1995 Phys. Plasmas 2 2488
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[8] Glenzer S H, MacGowan B J, Michel P, Meezan N B, Suter L J, Dixit S N, Kline J L, Kyrala G A, Bradley D K, Callahan D A, Dewald E L, Divol L, Dzenitis E, Edwards M J, Hamza A V, Haynam C A, Hinkel D E, Kalantar D H, Kilkenny J D, Landen O L, Lindl J D, LePape S, Moody J D, Nikroo A, Parham T, Schneider M B, Town R P J, Wegner P, Widmann K, Whitman P, Young B K F, van Wonterghem B, Atherton L J, Moses E I 2010 Science 327 1228
[9] Kilkenny J D 1991 Laser Part. Beams 9 49
[10] Eberhardt E H 1979 Appl. Opt. 18 1418
[11] Cheng J X, Chang Z H 1996 High Power Laser Part. Beams 8 73 (in Chinese) [成金秀, 常增虎 1996 强激光与粒子束 8 73]
[12] Cheng J X, Zheng Z J, Chen H S, Miao W Y, Chen B, Wang Y M, Hu X 2004 Acta Phys. Sin. 53 3419 (in Chinese) [成金秀, 郑志坚, 陈红素, 缪文勇, 陈波, 王耀梅, 胡昕 2004 53 3419]
[13] Li H, Li S W, Zhou J Y, Zhang H Y, Cao Z R, Yi R Q, Liu S Y, Ding Y K 2009 High Power Laser Part. Beams 21 699 (in Chinese) [黎航, 李三伟, 周近宇, 张海鹰, 曹柱荣, 易荣清, 刘慎业, 丁永坤 2009 强激光与粒子束 21 699]
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[17] Li H, Yang J M, Zhang H Y, Yu R Z, Wu S C, Zheng J H, Pu Y D, Lin Z W, Zhu T, Cao Z R, Miao W Y, Liu S Y, Jiang S E, Ding Y K 2012 High Power Laser Part. Beams 24 2355 (in Chinese) [黎航, 杨家敏, 张海鹰, 于瑞珍, 巫顺超, 郑建华, 蒲昱东, 林雉伟, 朱托, 曹柱荣, 缪文勇, 刘慎业, 江少恩, 丁永坤 2012 强激光与粒子束 24 2355]
[18] Zhou J Y, Huang T X, Meng L, Jiang W, Li H, Zhang H Y, Zhao Z Q, Yang D 2008 High Power Laser Part. Beams 20 1658 (in Chinese) [周近宇, 黄天晅, 蒙林, 蒋炜, 黎航, 张海鹰, 赵宗清, 杨冬 2008 强激光与粒子束 20 1658]
[19] Zhou J Y, Huang T X, Meng L, Jiang W, Li H, Zhang H Y 2010 High Power Laser Part. Beams 22 1053 (in Chinese) [周近宇, 黄天晅, 蒙林, 蒋炜, 黎航, 张海鹰 2010 强激光与粒子束 22 1053]
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[21] Jing L F, Huang T X, Jiang S E, Chen B L, Pu Y D, Hu F, Chen S B 2012 Acta Phys. Sin. 61 105205 (in Chinese) [景龙飞, 黄天晅, 江少恩, 陈伯伦, 蒲昱东, 胡峰, 程书博 2012 61 105205]
[22] Jing L F, Huang T X, Chen B L, Su M, Yu B, Jiang W, Pu Y D, Yan J 2011 High Power Laser Part. Beams 23 2409 (in Chinese) [景龙飞, 黄天晅, 陈伯伦, 苏明, 余波, 蒋炜, 蒲昱东, 晏骥 2011 强激光与粒子束 23 2409]
[23] Pu Y D, Huang T X, Li H, Zhan X Y, Peng X S, Tang Q, Song Z F, Chen J B, Song T M, Chen M, Yu R Z, He X A, Li C G, Zhang L, Zheng J H, Jing L F, Chen B L, Su M, Jiang W, Yu B, Yan J, Li P, Lei H L, Jiang S E, Ding Y K 2012 Phys. Plasmas 19 072708
[24] Yuan Z, Liu S Y, Cao Z R, Xiao S L, Li H, Zhang H Y, Wang L W 2009 High Power Laser Part. Beams 21 704 (in Chinese) [袁铮, 刘慎业, 曹柱荣, 肖沙里, 黎航, 张海鹰, 王丽伟 2009 强激光与粒子束 21 704]
[25] McCarville T, Fulkerson S, Booth R, Emig J, Young B, Anderson S, Heeter B 2005 Rev. Sci. Instrum. 76 103501
[26] Horsfield C J, Parker K W, Rothman S D, Fincke J, Lanier N E 2004 Rev. Sci. Instrum. 75 3947
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[1] Lindl J D 1995 Phys. Plasmas 2 3933
[2] 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
[3] Atzeni S, Meyer-ter-Vehn J 2003 Inertial Fusion (Oxford: Clarendon Press) p45
[4] Jiang S E, Ding Y K, Miao W Y, Liu S Y, Zheng Z J, Zhang B H, Huang T X, Li S W, Chen J B, Jiang X H, Yi R Q, Yang G H, Yang J M, Hu X, Cao Z R, Huang Y X 2009 Sci. China G 39 1571 (in Chinese) [江少恩, 丁永坤, 缪文勇, 刘慎业, 郑志坚, 张保汉, 黄天晅, 李三伟, 陈家斌, 蒋小华, 易荣清, 杨国洪, 杨家敏, 胡昕, 曹柱荣, 黄翼翔 2009 中国科学 G辑 39 1571]
[5] Hauer A, Delamater N, Ress D, Hsing W, Suter L, Powers L, Landen O, Harris D, Thiessen R, Magelssen G, Lindman E, Phillion D, Amendt P, Watt R, Hammel B 1995 Rev. Sci. Instrum. 66 672
[6] Hauer A, Suter L, Delamater N, Ress D, Powers L, Magelssen G, Harris D, Landen O, Lindmann E, Hsing W, Wilson D, Amendt P, Thiessen R, Kopp R, Phillion D, Hammel B, Baker D, Wallace J, Turner R, Cray M, Watt R, Kilkenny J, Mack J 1995 Phys. Plasmas 2 2488
[7] Turner R E, Amendt P, Landen O L, Glendinning S G, Bell P, Decker C, Hammel B A, Kalantar D, Lee D, Wallace R, Bradley D, Cable M, Craxton R S, Kremens R, Seka W, Schnittman J, Thorp K, Murphy T J, Delamater N, Barnes C W, Hauer A, Magelssen G, Wallace J 2000 Phys.Plasmas 7 333
[8] Glenzer S H, MacGowan B J, Michel P, Meezan N B, Suter L J, Dixit S N, Kline J L, Kyrala G A, Bradley D K, Callahan D A, Dewald E L, Divol L, Dzenitis E, Edwards M J, Hamza A V, Haynam C A, Hinkel D E, Kalantar D H, Kilkenny J D, Landen O L, Lindl J D, LePape S, Moody J D, Nikroo A, Parham T, Schneider M B, Town R P J, Wegner P, Widmann K, Whitman P, Young B K F, van Wonterghem B, Atherton L J, Moses E I 2010 Science 327 1228
[9] Kilkenny J D 1991 Laser Part. Beams 9 49
[10] Eberhardt E H 1979 Appl. Opt. 18 1418
[11] Cheng J X, Chang Z H 1996 High Power Laser Part. Beams 8 73 (in Chinese) [成金秀, 常增虎 1996 强激光与粒子束 8 73]
[12] Cheng J X, Zheng Z J, Chen H S, Miao W Y, Chen B, Wang Y M, Hu X 2004 Acta Phys. Sin. 53 3419 (in Chinese) [成金秀, 郑志坚, 陈红素, 缪文勇, 陈波, 王耀梅, 胡昕 2004 53 3419]
[13] Li H, Li S W, Zhou J Y, Zhang H Y, Cao Z R, Yi R Q, Liu S Y, Ding Y K 2009 High Power Laser Part. Beams 21 699 (in Chinese) [黎航, 李三伟, 周近宇, 张海鹰, 曹柱荣, 易荣清, 刘慎业, 丁永坤 2009 强激光与粒子束 21 699]
[14] Sun J W 2003 High Temperature Plasma X-Ray Spectroscopy (Beijing: National Defense Industry Press) p72 (in Chinese) [孙景文 2003 高温等离子体X射线谱学(北京: 国防工业出版社) 第72页]
[15] Rochau G A, Bailey J E, Chandler G A, Nash T J, Nielsen D S, Dunham G S, Garcia O F, Joseph N R, Keister J W, Madlener M J, Morgan D V, Moy K J, Wu M 2006 Rev. Sci. Instrum. 77 4
[16] Yuan Z, Liu S Y, Xiao S L, Cao Z R, Li H, Wang L W 2009 Acta Photon. Sin. 38 2495 (in Chinese) [袁铮, 刘慎业, 肖沙里, 曹柱荣, 黎航, 王丽伟 2009 光子学报 38 2495]
[17] Li H, Yang J M, Zhang H Y, Yu R Z, Wu S C, Zheng J H, Pu Y D, Lin Z W, Zhu T, Cao Z R, Miao W Y, Liu S Y, Jiang S E, Ding Y K 2012 High Power Laser Part. Beams 24 2355 (in Chinese) [黎航, 杨家敏, 张海鹰, 于瑞珍, 巫顺超, 郑建华, 蒲昱东, 林雉伟, 朱托, 曹柱荣, 缪文勇, 刘慎业, 江少恩, 丁永坤 2012 强激光与粒子束 24 2355]
[18] Zhou J Y, Huang T X, Meng L, Jiang W, Li H, Zhang H Y, Zhao Z Q, Yang D 2008 High Power Laser Part. Beams 20 1658 (in Chinese) [周近宇, 黄天晅, 蒙林, 蒋炜, 黎航, 张海鹰, 赵宗清, 杨冬 2008 强激光与粒子束 20 1658]
[19] Zhou J Y, Huang T X, Meng L, Jiang W, Li H, Zhang H Y 2010 High Power Laser Part. Beams 22 1053 (in Chinese) [周近宇, 黄天晅, 蒙林, 蒋炜, 黎航, 张海鹰 2010 强激光与粒子束 22 1053]
[20] Zhou J Y, Huang T X, Meng L, Jiang W 2010 Acta Phys. Sin. 59 1913 (in Chinese) [周近宇, 黄天晅, 蒙林, 蒋炜 2010 59 1913]
[21] Jing L F, Huang T X, Jiang S E, Chen B L, Pu Y D, Hu F, Chen S B 2012 Acta Phys. Sin. 61 105205 (in Chinese) [景龙飞, 黄天晅, 江少恩, 陈伯伦, 蒲昱东, 胡峰, 程书博 2012 61 105205]
[22] Jing L F, Huang T X, Chen B L, Su M, Yu B, Jiang W, Pu Y D, Yan J 2011 High Power Laser Part. Beams 23 2409 (in Chinese) [景龙飞, 黄天晅, 陈伯伦, 苏明, 余波, 蒋炜, 蒲昱东, 晏骥 2011 强激光与粒子束 23 2409]
[23] Pu Y D, Huang T X, Li H, Zhan X Y, Peng X S, Tang Q, Song Z F, Chen J B, Song T M, Chen M, Yu R Z, He X A, Li C G, Zhang L, Zheng J H, Jing L F, Chen B L, Su M, Jiang W, Yu B, Yan J, Li P, Lei H L, Jiang S E, Ding Y K 2012 Phys. Plasmas 19 072708
[24] Yuan Z, Liu S Y, Cao Z R, Xiao S L, Li H, Zhang H Y, Wang L W 2009 High Power Laser Part. Beams 21 704 (in Chinese) [袁铮, 刘慎业, 曹柱荣, 肖沙里, 黎航, 张海鹰, 王丽伟 2009 强激光与粒子束 21 704]
[25] McCarville T, Fulkerson S, Booth R, Emig J, Young B, Anderson S, Heeter B 2005 Rev. Sci. Instrum. 76 103501
[26] Horsfield C J, Parker K W, Rothman S D, Fincke J, Lanier N E 2004 Rev. Sci. Instrum. 75 3947
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