合成孔径同轴数字全息图的相位恢复再现（英文）  

Reconstruction Method Based on Phase Retrieval for Synthetic Aperture in-line Digital Holograms with Seams

作　　者：丁萌 范琦[1] 粟银[1] 王云飞[1] 

机构地区：[1]空军工程大学理学院,西安710051

出　　处：《光子学报》2018年第3期209-214,共6页Acta Photonica Sinica

基　　金：Natural Science Foundation of Shaanxi Province.(No.2010JM8012)

摘　　要：针对有缝拼接合成孔径同轴数字全息图的再现问题,通过对接缝处预先进行灰度均值填充,利用基于角谱理论的Gerchberg-Saxton(GS)加权改进相位恢复算法恢复相位,获得全息图记录面上的完整复振幅信息.仿真模拟了该方法对粒子场的检测,获得的再现像与模拟粒子靶的相关系数较传统方法得到的结果提高1倍以上,并可以有效抑制接缝处信息丢失对合成孔径同轴数字全息图再现像的影响,实现有缝拼接合成孔径同轴数字全息图的高质量再现.This paper proposed a reconstruction method for the synthetic aperture in-line digital hologram with seams.The calculated means is prefilled at the seams.By using Gerchberg-Saxton（GS）weighted phase retrieval algorithm based on the angular spectrum,the phase is retrieved and the complete complex amplitude on recording surface is obtained.The particle field detection is simulated with this method.The result indicates that the correlation coefficient between the reconstructed image and the simulated particles target image doubled in contrast to the traditional method.Therefore,the influence of information loss at the seams is effectively restrained and high-quality reconstructed image can be achieved.

关 键 词：光信息处理 合成孔径 相位恢复 同轴全息图 均值填充 粒子场检测 图像传感器 

分 类 号：O483.1[理学—固体物理]