基于微纳结构靶的强场激光辐射源发展和展望

杨月; 温家星; 王少义; 吴思辛; 于明海; 叶翰晟; 张天奎; 储根柏; 邓志刚; 周凯南; 陈忠靖; 吴玉迟; 周维民; 赵宗清

doi:10.11884/HPLPB202638.250470

基于微纳结构靶的强场激光辐射源发展和展望

doi: 10.11884/HPLPB202638.250470

中国工程物理研究院激光聚变研究中心，等离子体物理全国重点实验室，四川绵阳 621900

基金项目: 国家自然科学基金项目（12305228）

详细信息

作者简介:
杨　月，yangy10_my@163.com

通讯作者:
赵宗清，zhaozongqing99@caep.cn。

中图分类号: O434.12
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- 文章访问数: 107
- HTML全文浏览量: 82
- PDF下载量: 22
- 被引次数: 0
出版历程
- 收稿日期: 2025-12-22
- 修回日期: 2026-01-20
- 录用日期: 2026-01-20
- 网络出版日期: 2026-01-20
- 刊出日期: 2026-01-13

Development and prospects of radiation sources from high field laser-irradiated structured targets

National Key Laboratory of Plasma Physics, Laser Fusion Research Center, CAEP, Mianyang 621900, China

摘要

摘要: 微纳结构靶具有从激光焦斑尺度至亚波长尺度的周期或非周期性结构，能够有效调控激光-靶相互作用过程中的能量传递、电磁场分布、粒子输运与辐射产生过程，是创造高能量密度物质状态、提高激光辐射源能量与亮度的重要技术途径。本文将针对超短超强激光和微纳结构靶相互作用的物理机理、研究方法和发展趋势，详细介绍基于微纳结构靶的强场激光辐射源研究进展，包括迄今已经趋于实用的基于数十太瓦至百太瓦激光装置产生的强流粒子束及射线源，以及当前理论研究热点——量子电动力学辐射、高次谐波等新型光源等，最后对基于微纳结构靶的辐射源技术发展需求和研究趋势进行展望。
- 微纳结构靶 /
- 激光加速 /
- 超热电子 /
- 强辐射源
Abstract: Micro- and nano-structured targets represent a pivotal technological pathway for controlling laser-target interactions and advancing intense radiation sources. This review provides a comprehensive overview of the development and future prospects of intense laser-driven radiation sources based on structured targets. First, it outlines their key role in regulating laser-target coupling, energy absorption, and radiation generation. It then summarizes recent advances in experimental and theoretical research, followed by a discussion of frontier physical and technical progress with petawatt-class laser systems. Finally, the future research trends and technological development requirements for the radiation sources based on laser-irradiated structured targets are prospected.
- structured target /
- laser acceleration /
- hot electron /
- intense radiation source

HTML全文

图 1 微纳结构靶中的电子输运物理图像^[44]

Figure 1. Hot electron transport in structured targets^[44]

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图 2 强场激光与微纳结构靶相互作用加速电子或质子最高能量^{[13, 20, 45, 47, 55-72]}，红标指激光聚变研究中心实验结果

Figure 2. Maximum electron or proton energy for high laser systems^{[13, 20, 45, 47, 55-72]}, the red markers indicate LFRC experimental results

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图 3 纳米刷靶前后表面X射线焦斑图像证实准直输运^[55]

Figure 3. X-ray spot of front and rear surfaces of nanobrush target

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图 4 超强激光照射微米丝阵列增强高能电子产生三维粒子模拟^[60]

Figure 4. Three-dimensional particle-in-cell simulations of enhanced energetic electron generation by ultra-intense laser interacting with microwire arrays^[60]

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图 5 (a)实验示意图; (b)质子与C⁶⁺离子截止能量与产额随孔径直径的变化^[116]

Figure 5. (a) Schematics of the experiment; (b) the integral yield of protons and C³⁺ ions as a function of the pore diameter^[116]

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图 6 三维PIC模拟激光入射CD₂纳米丝阵列造成微尺度聚变^[70]

Figure 6. Three-dimensional PIC simulation of laser irradiating the CD₂ nanowire array to generate microscale fusion^[70]

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图 7 周期结构靶(a,b)、类波带片微纳结构靶(c,d)和修正的非周期微纳结构靶辐射(e,f)的高次谐波频谱特性^[143]

Figure 7. The spectral characteristics of high-order harmonics generated by (a,b) periodic structured targets, (c,d) Frensnel zone plate targets and (e,f) corrected aperiodic structured targets^[143]

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