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Three-dimensional spatiotemporal self-referenced characterization of ultrashort pulses using the coherent diffraction imaging technique
2021-07-01
会议录名称PROCEEDINGS OF SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING
ISSN0277-786X
卷号11781
发表状态已发表
DOI10.1117/12.2591441
摘要

We proposed a self-referenced technique for measuring the spatiotemporal characteristics of ultrashort pulses using the coherent diffraction imaging. This technique includes the wavelength spatial multiplexing coherent diffraction imaging measurement and the three-dimensional spatiotemporal amplitude and phase reconstruction. In experiment, we verified the feasibility of this technique by measuring a pulse from the femtosecond laser oscillator. Wavelength spatial multiplexing was realized by the combination of two-dimensional diffracted optical element and narrow-band-pass filter, and the amplitude and phase information of each wavelength was recovered by ePIE (extended Ptychographic Iterative Engine) algorithm. This technique can measure the three-dimensional spatiotemporal amplitude and phase information of ultrashort pulses with high resolution and simplicity. In the future, it is expected to be an effective method for the comprehensive monitoring of the spatiotemporal optical field of ultrashort pulse lasers, and will be helpful for the laser performance improvement. © SPIE. Downloading of the abstract is permitted for personal use only.

关键词Bandpass filters Diffraction Femtosecond lasers Imaging techniques Ultrashort pulses Coherent diffraction imaging Comprehensive monitoring Femtosecond laser oscillators Laser performance Narrow band pass filters Phase reconstruction Spatial multiplexing Spatiotemporal characteristics
会议名称4th Optics Young Scientist Summit, OYSS 2020
会议地点Ningbo, China
会议日期December 4, 2020 - December 7, 2020
收录类别EI
语种英语
出版者SPIE
EI入藏号20211410161707
EI主题词Iterative methods
EISSN1996-756X
EI分类号703.2 Electric Filters ; 746 Imaging Techniques ; 921.6 Numerical Methods
原始文献类型Conference article (CA)
文献类型会议论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/133562
专题物质科学与技术学院_硕士生
作者单位
1.National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai; 201800, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.School of Physical Science and Technology, Shanghai Tech University, Shanghai; 201210, China
推荐引用方式
GB/T 7714
Yi, Youjian,Xu, Yingming,Zhu, Ping,et al. Three-dimensional spatiotemporal self-referenced characterization of ultrashort pulses using the coherent diffraction imaging technique[C]:SPIE,2021.
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