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激光惯性约束聚变靶制备技术研究进展

高莎莎 吴小军 何智兵 何小珊 王涛 朱方华 张占文

高莎莎, 吴小军, 何智兵, 等. 激光惯性约束聚变靶制备技术研究进展[J]. 强激光与粒子束, 2020, 32: 032001. doi: 10.11884/HPLPB202032.200039
引用本文: 高莎莎, 吴小军, 何智兵, 等. 激光惯性约束聚变靶制备技术研究进展[J]. 强激光与粒子束, 2020, 32: 032001. doi: 10.11884/HPLPB202032.200039
Gao Shasha, Wu Xiaojun, He Zhibing, et al. Research progress of fabrication techniques for laser inertial confinement fusion target[J]. High Power Laser and Particle Beams, 2020, 32: 032001. doi: 10.11884/HPLPB202032.200039
Citation: Gao Shasha, Wu Xiaojun, He Zhibing, et al. Research progress of fabrication techniques for laser inertial confinement fusion target[J]. High Power Laser and Particle Beams, 2020, 32: 032001. doi: 10.11884/HPLPB202032.200039

激光惯性约束聚变靶制备技术研究进展

doi: 10.11884/HPLPB202032.200039
基金项目: 科学挑战专题资助项目(TZ2018006)
详细信息
    作者简介:

    高莎莎(1987—),女,硕士,从事激光聚变靶制备技术研究;kindly33@163.com

    通讯作者:

    何智兵(1976—),男,博士,研究员,从事激光聚变靶制备技术研究;He_zhibing@126.com

  • 中图分类号: O532

Research progress of fabrication techniques for laser inertial confinement fusion target

  • 摘要: 在实验室实现聚变反应释放的能量大于点燃聚变反应所需能量的阈值是当今世界ICF研究的主要目标,实现这一目标仍需要深入研究一系列的关键物理问题。在ICF研究中,制靶能力的发展与提升至关重要,靶的质量是实验成功的核心要素之一。本文介绍了国际ICF靶制备工作近年来在新型烧蚀层材料靶丸、新型靶丸支撑技术、优化黑腔材料与构型以及减小燃料填充管直径等方面取得的一系列进展,并结合ICF物理需求,简要阐述了ICF靶的发展趋势。
  • 图  1  两种ICF驱动方式

    Figure  1.  Two drive modes of ICF

    图  2  美国国家点火装置采用的靶型爆炸图

    Figure  2.  Expanded view of the National Ignition Facility(NIF) target

    图  3  NIF靶丸设计

    Figure  3.  Capsule design for NIF

    图  4  GDP球壳制备过程示意图

    Figure  4.  Schematics of GDP shells fabrication

    图  5  iCVD技术制备的Si-PDVB

    Figure  5.  Si-PDVB fabricated by iCVD technology

    图  6  HDC靶丸制备过程示意图

    Figure  6.  Schematics of HDC capsules fabrication

    图  7  滚筒抛光前后的Be靶丸

    Figure  7.  Be capsule for tumble polishing

    图  8  薄膜支撑示意图

    Figure  8.  Schematics of ultra-thin tents

    图  9  靶丸支撑方式示意图

    Figure  9.  Schematics of supported capules

    图  10  四边形纳米丝支撑装配实物图

    Figure  10.  Assembly of “tetra-cage”

    图  11  磁悬浮靶丸示意图

    Figure  11.  Schematics of the superconducting magnetic levitation to support capsule

    图  12  NIF的新型黑腔设计

    Figure  12.  New designs of the NIF hohlraums

    图  13  Ta2O5气凝胶内衬的黑腔样品加工与装配过程

    Figure  13.  Progression of the steps for machining a Ta2O5 foam liner

    (a)preparatory machining of foam into a cylindrical billet with the starting hole in the center on a lathe;(b)potting of the hohlraum onto a post using a removable adhesive;(c)aligning the billet machined in(a) to the potted hohlraum;(d)partial insertion of the billet into the hohlraum;(e)side view of the cutting of the foam billet using a spinning wire;(f)separation of the billet from its holder upon completion of the cutting;(g)side of the foam in the hohlraum ready for further insertion;(h)top view of the billet flush with the hohlraum waist;(i)customized pusher readying for insertion of the billet to the right location within the hohlraum;(j)billet in its final resting place inside the hohlraum; (k)milling of the inner wall of the billet to achieve the right liner thickness;(l)final part.

    图  14  直径为2.5 μm燃料填充管与靶丸组件

    Figure  14.  Assembly of ϕ2.5 μm fill tube and capsule

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  • 收稿日期:  2020-01-01
  • 修回日期:  2020-02-24
  • 刊出日期:  2020-02-10

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