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Optimizing the phase matching in high-order harmonics generation
Wang, Chao1,2,3; Kim, Dong Eon2,3; Kang, Yi-Fan4; Bhattacharjee, Nilabha2,3; Bai, Yong-Lin1; Wang, Yi-Shan5
2017
会议名称Applied Optics and Photonics China: Laser Components, Systems, and Applications, AOPC 2017
会议录名称AOPC 2017: Laser Components, Systems, and Applications
卷号10457
会议日期2017-06-04
会议地点Beijing, China
出版者SPIE
产权排序1
摘要

This paper presents an experimental method to realize the best high-order harmonics generation (HHG) phase matching in the interaction of strong optical field with gas target. By studying the effects of the relative location between gas target source and the Gaussian-shaped driving femtosecond laser field focus on the harmonics yield, conclusions are obtained that the optimum position of gas target for phase matching is always behind the of the focal point of the driving field, with much lower HHG yield before the focus caused by serious harmonics phase mismatch. Meanwhile, with optimum harmonics phase matching, the high-order harmonics field that resulted has the similar Gaussian-shaped spatial distribution characteristics with the driving field, verifying experimentally the commonly used assumptions for attosecond laser pulse based on HHG. This optimization method is also suitable both for other driving field with different spatial distribution of light intensity and other type of target source. The results here have important guiding significance for high harmonic generation and high harmonic isolated attosecond pulse technology. © 2017 SPIE.

作者部门精密物理量测量实验室
DOI10.1117/12.2281986
收录类别EI ; ISTP
ISBN号9781510613959
语种英语
ISSN号0277786X
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/29846
专题精密物理量测量实验室
瞬态光学技术国家重点实验室
作者单位1.Key Laboratory of Ultra-fast Photoelectric Diagnostics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China
2.Department of Physics, Center for Attosecond Science and Technology, Pohang University of Science and Technology, Pohang; 37673, Korea, Republic of
3.Max Planck Center for Attosecond Science, MPK, POSTECH, Pohang; 37673, Korea, Republic of
4.School of Science, Air Force Engineering University, Xi'an; 710051, China
5.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China
推荐引用方式
GB/T 7714
Wang, Chao,Kim, Dong Eon,Kang, Yi-Fan,et al. Optimizing the phase matching in high-order harmonics generation[C]:SPIE,2017.
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