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The Design of a Photographic Objective Using Cubic Phase Plate
Author(s): 
Pages: 1412-1415
Year: Issue:  7
Journal: ACTA PHOTONICA SINICA

Keyword:  信噪比MTF位相板成像系统;
Abstract: 建立了一个基于新型光学/数字成像系统(三次位相板编码系统-CPP系统)的信噪比模型.该模型主要考虑了读出噪音及散粒噪音两种探测器噪音,同时加入光学系统调制传递函数(Modulation Transfer Function,MTF)的影响,考虑不同空间频率下噪音对信号的影响,推导出频率信噪比模型.利用该模型对一个光学/数字成像系统进行信噪比分析,结果表明,利用该模型进行分析后此光学系统可达到的理论焦深扩展范围为5个波长.
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