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多频多色光谱角色散束匀滑新方案

钟哲强 周冰洁 叶荣 张彬

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多频多色光谱角色散束匀滑新方案

钟哲强, 周冰洁, 叶荣, 张彬

A novel scheme of beam smoothing using multi-central frequency and multi-color smoothing by spectral dispersion

Zhong Zhe-Qiang, Zhou Bing-Jie, Ye Rong, Zhang Bin
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  • 典型的光谱角色散技术中,由于光束带宽受限于高效三倍频,因而无法通过增大带宽来进一步改善焦斑均匀性. 结合对四色打靶方案和多级相位调制技术的综合分析,提出了多频、多色光谱角色散束匀滑新方案. 该方案能在保持高效三倍频基础上,获得带宽有所加宽,光谱包络近似连续的光源,且在远场匀滑上具有更为独特的优势. 结果表明,采用束匀滑新方案后,虽然焦斑会有所增大,但其均匀性却得到明显改善;与典型的束匀滑方案相比,该方案能更为有效地抑制热斑,且达到最佳匀滑效果所需的时间有所减短. 此外,通过对阵列光栅中子光栅刻线方向的自由组合可以实现多维光谱角色散的效果.
    In typical techniques of smoothing by spectral dispersion (SSD), illumination uniformity cannot be further improved by increasing the pulse bandwidth due to the limitation of high-efficiency frequency tripling. Combined with the analysis of the schemes of four-color beam smoothing and multi-frequency modulator SSD, a novel scheme of beam smoothing using multi-central frequency and multi-color smoothing by spectral dispersion has been proposed, which not only can achieve high-efficiency frequency tripling, but also can obtain laser beams with nearly continuous spectrum and exhibit some specific advantages in far-field smoothing. Results show that the focal spot will be enlarged slightly but obviously further smoothed by the use of the new scheme. Compared to the typical SSD technique, the new scheme can decrease hot spots effectively and achieve the best irradiation in less time. Moreover, with independent combination of dispersion directions in each quadrant of grating array, a multi-dimensional smoothing on focal spot can be realized.
    • 基金项目: 四川省教育厅创新团队计划(批准号:13Td0048)和四川大学优秀青年学者计划(批准号:2011-2-B17)资助的课题.
    • Funds: Project supported by the Program for Innovation Team of the Education Department of Sichuan Province, China (Grant No. 13Td0048), and the Excellent Youth Talents of Sichuan University, China (Grant No. 2011-2-B17).
    [1]

    Skupsky S, Short R W, Kessler T, Craxton R S, Letzring S, Soures J M 1989 J. Appl. Phys. 66 3456

    [2]

    Kato Y, Mima K, Miyanaga N, Arinaga S, Kitagawa Y, Naktsuka M, Yamanka C 1984 Phys. Rev. Lett. 53 1057

    [3]

    Dixit S N, Thomas I M, Woods B W, Morgan A J, Henesian M A, Wegner P J, Powell H T 1993 Applied Optics 32 2543

    [4]

    Geng Y C, Liu L Q, Wang W Y, Zhang Y, Huang W Q, Su J Q, Li P 2013 Acta Phys. Sin. 62 145201 (in Chinese) [耿远超, 刘兰琴, 王文义, 张颖, 黄晚晴, 粟敬钦, 李平2013 物理学报 62 145201]

    [5]

    Tsubakimoto K, Nakatsuka M, Nakano H, Kanabe T, Jitsuno T, Nakai S 1992 Opt. Commun. 91 9

    [6]

    Two-Dimensional SSD on OMEGA 1996 LLE Rev. 69 1

    [7]

    Haynam C A, Wegner P J, Auerbach J M, Bowers M W, Dixit S N, Erbert G V, Heestand G M, Henesian M A, Hermann M R, Jancaitis K S, Manes K R, Marshall C D, Mehta N C, Menapace J, Moses E, Murray J R, Nostrand M C, Orth C D, Patterson R, Sacks R A, Shaw M J, Spaeth M, Sutton S B, Williams W H, Widmayer C C, Whit e R K, Yang S T, Van Wonterghem B M 2007 Applied Optics 46 3276

    [8]

    Cheng W Y, Zhang X M, Su J Q, Zhao S Z, Dong J, Li P, Zhou L D 2009 Acta Phys. Sin. 58 7012 (in Chinese) [程文雍, 张小民, 粟敬钦, 赵圣之, 董军, 李平, 周丽丹 2009 物理学报 58 7012]

    [9]

    Jiang X J, Zhou S L, Lin Z Q, Zhu J 2006 Acta Phys. Sin. 55 4595 (in Chinese) [江秀娟, 周申蕾, 林尊琪, 朱俭 2006 物理学报 55 4595]

    [10]

    Li P, Su J Q, Ma C, Zhang R, Jing F 2009 Acta Phys. Sin. 58 6210 (in Chinese) [李平, 粟敬钦, 马驰, 张锐, 景峰 2009 物理学报 58 6210]

    [11]

    Pennington D M, Henesian M A, Wilcox R B, Wilcox R B, Weiland T L, Eimerl D, Ehrlich R B, Laumann C W, Miller J L 1992 Proceedings of the 1st Annual International Conference on Solid-State Lasers for Application to Inertial Confinement Fusion Monterey California, American, May 30-June 2, 1995

    [12]

    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 Physics of Plasmas 19 056308

    [13]

    Betti R, Zhou C D, Anderson K S, Perkins L J, Theobald W, Solodov A A 2007 Phys. Rev. Lett. 98 155001

    [14]

    Baton S D, Koenig M, Brambrink E, Schlenvoigt H P, Rousseaux C, Debras G, Laffite S, Loiseau P, Philippe F, Ribeyre X, Schurtz G 2012 Phys. Rev. Lett. 108 195002

    [15]

    Schmitt A J, Betti J W, Obenschain S P, Zalesak S T, Fyfe D E, Betti R Direct drive fusion energy Shock Ignition Designs for Sub-MJ Lasers 2008 (9)

    [16]

    Li K 2007 Ph. D. Dissertation (Chengdu: Sichuan University) (in Chinese) [李琨 2007 博士学位论文(成都: 四川大学)]

    [17]

    Rothenberg J E, Auerbach J M, Moran B D, Murray J E, Weiland T L, Wegner P J Implementation of smoothing by spectral dispersion on beamlet and NIF. LLNL, UCRL-JC-129771

    [18]

    Zhou B J, Zhong Z Q, Zhang B 2012 61 214202 (in Chinese) [周冰洁, 钟哲强, 张彬 2012 物理学报 61 214202]

  • [1]

    Skupsky S, Short R W, Kessler T, Craxton R S, Letzring S, Soures J M 1989 J. Appl. Phys. 66 3456

    [2]

    Kato Y, Mima K, Miyanaga N, Arinaga S, Kitagawa Y, Naktsuka M, Yamanka C 1984 Phys. Rev. Lett. 53 1057

    [3]

    Dixit S N, Thomas I M, Woods B W, Morgan A J, Henesian M A, Wegner P J, Powell H T 1993 Applied Optics 32 2543

    [4]

    Geng Y C, Liu L Q, Wang W Y, Zhang Y, Huang W Q, Su J Q, Li P 2013 Acta Phys. Sin. 62 145201 (in Chinese) [耿远超, 刘兰琴, 王文义, 张颖, 黄晚晴, 粟敬钦, 李平2013 物理学报 62 145201]

    [5]

    Tsubakimoto K, Nakatsuka M, Nakano H, Kanabe T, Jitsuno T, Nakai S 1992 Opt. Commun. 91 9

    [6]

    Two-Dimensional SSD on OMEGA 1996 LLE Rev. 69 1

    [7]

    Haynam C A, Wegner P J, Auerbach J M, Bowers M W, Dixit S N, Erbert G V, Heestand G M, Henesian M A, Hermann M R, Jancaitis K S, Manes K R, Marshall C D, Mehta N C, Menapace J, Moses E, Murray J R, Nostrand M C, Orth C D, Patterson R, Sacks R A, Shaw M J, Spaeth M, Sutton S B, Williams W H, Widmayer C C, Whit e R K, Yang S T, Van Wonterghem B M 2007 Applied Optics 46 3276

    [8]

    Cheng W Y, Zhang X M, Su J Q, Zhao S Z, Dong J, Li P, Zhou L D 2009 Acta Phys. Sin. 58 7012 (in Chinese) [程文雍, 张小民, 粟敬钦, 赵圣之, 董军, 李平, 周丽丹 2009 物理学报 58 7012]

    [9]

    Jiang X J, Zhou S L, Lin Z Q, Zhu J 2006 Acta Phys. Sin. 55 4595 (in Chinese) [江秀娟, 周申蕾, 林尊琪, 朱俭 2006 物理学报 55 4595]

    [10]

    Li P, Su J Q, Ma C, Zhang R, Jing F 2009 Acta Phys. Sin. 58 6210 (in Chinese) [李平, 粟敬钦, 马驰, 张锐, 景峰 2009 物理学报 58 6210]

    [11]

    Pennington D M, Henesian M A, Wilcox R B, Wilcox R B, Weiland T L, Eimerl D, Ehrlich R B, Laumann C W, Miller J L 1992 Proceedings of the 1st Annual International Conference on Solid-State Lasers for Application to Inertial Confinement Fusion Monterey California, American, May 30-June 2, 1995

    [12]

    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 Physics of Plasmas 19 056308

    [13]

    Betti R, Zhou C D, Anderson K S, Perkins L J, Theobald W, Solodov A A 2007 Phys. Rev. Lett. 98 155001

    [14]

    Baton S D, Koenig M, Brambrink E, Schlenvoigt H P, Rousseaux C, Debras G, Laffite S, Loiseau P, Philippe F, Ribeyre X, Schurtz G 2012 Phys. Rev. Lett. 108 195002

    [15]

    Schmitt A J, Betti J W, Obenschain S P, Zalesak S T, Fyfe D E, Betti R Direct drive fusion energy Shock Ignition Designs for Sub-MJ Lasers 2008 (9)

    [16]

    Li K 2007 Ph. D. Dissertation (Chengdu: Sichuan University) (in Chinese) [李琨 2007 博士学位论文(成都: 四川大学)]

    [17]

    Rothenberg J E, Auerbach J M, Moran B D, Murray J E, Weiland T L, Wegner P J Implementation of smoothing by spectral dispersion on beamlet and NIF. LLNL, UCRL-JC-129771

    [18]

    Zhou B J, Zhong Z Q, Zhang B 2012 61 214202 (in Chinese) [周冰洁, 钟哲强, 张彬 2012 物理学报 61 214202]

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出版历程
  • 收稿日期:  2013-09-04
  • 修回日期:  2013-09-24
  • 刊出日期:  2014-02-05

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