Efficiently accelerated free electrons by metallic laser accelerator

Zheng, Dingguo1,2; Huang, Siyuan1,2; Li, Jun1; Tian, Yuan1,2; Zhang, Yongzhao1,2; Li, Zhongwen1; Tian, Huanfang1; Yang, Huaixin1,2,3; Li, Jianqi1,2,3,4

2023-09-20

10.1038/s41467-023-41624-9

NATURE COMMUNICATIONS   影响因子和分区

2041-1723

["Strong electron-photon interactions occurring in a dielectric laser accelerator provide the potential for development of a compact electron accelerator. Theoretically, metallic materials exhibiting notable surface plasmon-field enhancements can possibly generate a high electron acceleration capability. Here, we present a design for metallic material-based on-chip laser-driven accelerators that show a remarkable electron acceleration capability, as demonstrated in ultrafast electron microscopy investigations. Under phase-matching conditions, efficient and continuous acceleration of free electrons on a periodic nanostructure can be achieved. Importantly, an asymmetric spectral structure in which the vast majority of the electrons are in the energy-gain states has been obtained by means of a periodic bowtie-structure accelerator. Due to the presence of surface plasmon enhancement and nonlinear optical effects, the maximum acceleration gradient can reach as high as 0.335 GeV/m. This demonstrates that metallic laser accelerator could provide a way to develop compact accelerators on chip.","Accelerated electron beams are potentially useful for imaging and different type of light sources. Here the authors demonstrate electron acceleration using metallic laser acceleration with efficiency comparable to that of dielectric laser accelerators."]

SCI

英语

NI论文

通讯

This work was supported by the National Natural Science Foundation of China (Grant Nos. U22A6005, 12074408, 52271195), the National Key Research and Development Program of China (Grant No. 2021YFA13011502), the Strategic Priority Research Program (B) of th["U22A6005, 12074408","52271195"] ; National Natural Science Foundation of China[2021YFA13011502] ; National Key Research and Development Program of China["XDB25000000","XDB33000000"] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences["YJKYYQ20200055","ZDKYYQ2017002","22017BA10"] ; Synergetic Extreme Condition User Facility (SECUF)[2018KZDXM061] ; Guangdong Major Scientific Research Project[Z201100001820006] ; Beijing Municipal Science and Technology major project[Y9K5051]

Science & Technology - Other Topics

Multidisciplinary Sciences

WOS:001079212000006

NATURE PORTFOLIO

2-s2.0-85171809295

Web of Science

1.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
4.Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Guangdong, Peoples R China

Zheng, Dingguo,Huang, Siyuan,Li, Jun,et al. Efficiently accelerated free electrons by metallic laser accelerator[J]. NATURE COMMUNICATIONS,2023,14(1).

Zheng, Dingguo.,Huang, Siyuan.,Li, Jun.,Tian, Yuan.,Zhang, Yongzhao.,...&Li, Jianqi.(2023).Efficiently accelerated free electrons by metallic laser accelerator.NATURE COMMUNICATIONS,14(1).

Zheng, Dingguo,et al."Efficiently accelerated free electrons by metallic laser accelerator".NATURE COMMUNICATIONS 14.1(2023).