外差(诗歌)
计算机科学
光学
外差探测
探测器
补偿(心理学)
相(物质)
信号(编程语言)
探测理论
算法
物理
声学
激光器
心理学
量子力学
精神分析
程序设计语言
作者
Zengyan Wu,Changqing Cao,Zhejun Feng,Xiaona Wu,Chenxuan Duan
出处
期刊:Optics Letters
[The Optical Society]
日期:2023-09-07
卷期号:48 (20): 5257-5257
被引量:1
摘要
This study proposes an innovative active optical heterodyne detection system to address the limitations of existing swarm intelligence algorithms in resolving phase compensation issues within coherent detection systems. The design incorporates a high-speed camera array detector, offering improved practicality and a simplified structure. Employing a heuristic search algorithm (HSA) transforms the high-dimensional problem into multiple one-dimensional optimization problems, significantly enhancing algorithmic running speed. The HSA maintains excellent performance even with increased array elements, allowing for real-time phase correction in large arrays. Experimental results using shot peening comparison samples reveal a substantial amplification of the heterodyne signal spectrum amplitude peak, approximately 60 times greater than the original signal. This innovative approach holds great potential for active optical heterodyne detection of dim targets, paving the way for further research in the field.
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