Beam wavefront retrieval by convoluted spatial spectral benchmark

作     者：Xuewei Deng Xiaoxia Huang Deen Wang Ying Yang Xin Zhang Dongxia Hu 

作者机构：Laser Fusion Research CenterChina Academy of Engineering PhysicsP.O.Box 919Mianyang 621900China 

出 版 物：《Matter and Radiation at Extremes》 (极端条件下的物质与辐射（英文）)

年 卷 期：2021年第6卷第4期

页      面：24-30页

核心收录：

学科分类：070207[理学-光学] 07[理学] 08[工学] 0803[工学-光学工程] 0702[理学-物理学] 

基　　金：the National Natural Science Foundation of China(NSFC)(Grant Nos.61775199 and 61805223) 

主　　题：system beam simply 

摘      要：We propose a method for retrieving a beam wavefront from its near-field intensity distribution after a 4f system by simply inserting a benchmark at the Fourier *** a convolution of the mark-blocked spatial frequency component and the original optical field with the 4f system,the separation between the focus of any sub-aperture and the benchmark can be determined to reconstruct the beam *** and experimental studies demonstrate the validity of this method,which has potential applications in real-time wavefront sensing.