Experimental research of circular incoherently synthetic aperture imaging ladar using chirped-laser and heterodyne detection

• 来源期刊: 中国光学快报（英文版）
• 年，卷（期）: 2012,（9）
• 页码范围: 30-34
• 页数: 5页
• 语种: 英文
• DOI: 10.3788/COL201210.091101

摘要

Synthetic aperture imaging ladar (SAIL) technique belongs fully coherent processing in both the time domain and space domain and has a rather high implement difficulty.To solve this problem,the concept of circular incoherently SAIL is introduced.A speckle version image of a two-dimensional (2D) letter 'E' target is reconstructed from E-field projection data detected by a circular incoherently SAIL system.The experimental system is constructed by three subsystems using chirped-pulse laser as the light source and heterodyne detection to get the range information of the target.The reconstruction of the image and the noise effect are also discussed in detail.