光学学报, 2010, 30 (4): 1002, 网络出版: 2010-04-20   

基于4f 结构平面集成相关器系统优化

System Optimization of 4f-Based Planar-Integrated Hybrid-Optoelectronic Correlator
作者单位
深圳大学 电子科学与技术学院,广东 深圳 518060
摘要
在基于4f 结构的平面集成光电混合相关器系统中,由于采用折叠光路结构,增大了像差,降低了系统的识别能力。通过对平面集成光学相关器的结构分析,利用斜入射坐标理论,确定系统中微光学透镜的相位调制函数。对微光学透镜元件的相位函数进行分析,用Zemax软件优化系统以降低系统的像差,从而提高识别能力。通过分析像质评价图,得到优化后的系统最大光程差小于λ/4,达到了衍射极限。用Matlab软件对优化前后的系统进行对比量化分析,优化后系统的识别能力提高了约0.8倍。表明优化后的像差得到了很好的改善,系统的识别能力有了明显的提高。
Abstract
The folded optical structure used in 4f-based planar-integrated opto-electronic hybrid correlator system,increases aberration and reduces the system′s recognition ability. The phase modulation function of micro-optical lens is determined,by using the theory of oblique incidence corrdinates to analyse planar integrated optical correlator structure. Then the system aberration is reduced and thereby the recognition ability is enhanced,by analysing the phase function of micro-optical lens elements and using Zemax software optimization system. The optimized system′s maximum optical path difference is less than λ/4 and the system attains diffraction limited performance. The contrastive and quantitating analysis is simulated by Matlab,the result show that the optimized system′s recognition performance has been improved by 0.8 times. It shows that the aberration has been improved well,the system′s recognition ability has been significantly enhanced.

徐海东, 徐平, 亓森林, 梁钱, 张旭琳, 黄洁锋, 黄海漩. 基于4f 结构平面集成相关器系统优化[J]. 光学学报, 2010, 30(4): 1002. Xu Haidong, Xu Ping, Qi Senlin, Liang Qian, Zhang Xulin, Huang Jiefeng, Huang Haixuan. System Optimization of 4f-Based Planar-Integrated Hybrid-Optoelectronic Correlator[J]. Acta Optica Sinica, 2010, 30(4): 1002.

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