体全息存储系统图像质量因素MTF数值模拟分析  

Numerical simulation analysis of the MTF influencing the imaging quality of volume hologram storage system

作　　者：耿涛[1] 王彪[1] 滕东东[1] 袁威[1] 凌福日[1] 

机构地区：[1]哈尔滨工业大学光电信息技术中心,哈尔滨150001

出　　处：《光学技术》2006年第5期660-662,665,共4页Optical Technique

基　　金：国家863项目资助(2001AA31304);国防基础预研项目资助

摘　　要：影响体全息存储系统中读出图像误码率的因素很多,其中输入与输出器件SLM、CCD的性能以及它们信号匹配关系起着关键的作用。针对这一实际问题,利用CCD成像系统的调制传递函数理论和数值模拟方法,通过对4f系统中周期性SLM像素分布的CCD输出响应分析,研究了SLM和CCD的填充因子、对比度、位相匹配关系对读出图像误码率的影响,并给出计算机仿真结果。There are many factors to influence the bit error rate of read-out image in holographic storage. Above all, SLM, CI2D and the signal matching between these devices play the key role. Based on the modulation transfer function theory and numerical simulation method, the output response of CCD to the periodic pixel distribution of SLM was analyzed. At the same time the influence of fill-factor, contrast and phase matching of CCD and SLM on bit error rate were studied. The computer simulation result is given.

关 键 词：体全息存储 电荷耦合器件 空间光调制器 调制传递函数 误码率 

分 类 号：O438[机械工程—光学工程]