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位相型横向超分辨光瞳滤波器的优化设计 被引量:1

Optimization design of phase-only transverse superresolution filters
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摘要 在给定斯特列耳比S(超分辨模型和爱里模型最大亮度比)的条件下,应用最优化算法设计位相型横向超分辨率光瞳滤波器.给出设计模型及几个实例,与已有的位相型横向超分辨滤波器相比,新设计的滤波器具有较好的超分辨效果.考虑到强烈的旁瓣效应,把位相型滤波器应用于共焦扫描显微系统,可极大地抑制旁瓣. Three-zone phase-only transverse superresolution filters are designed by nonlinear optimisation at the special Strehl ratio S, which is the ratio of the maximum intensity of the central core of the superresolving pattern to the Airy pattern. The design model and several examples are presnted and compared with the superresolution filters of references with better resolving effects. To suppress the strong sidelobe intensity, these phase-only filters are used in the confocal scanning microscopy system and the sidelobe can be restrained greatly.
出处 《西安电子科技大学学报》 EI CAS CSCD 北大核心 2005年第1期126-129,共4页 Journal of Xidian University
基金 国家自然科学基金委员会 中国节能投资公司联合研究基金资助(60107003) 陕西省自然科学研究项目资助
关键词 位相型滤波器 超分辨率 共焦扫描显微系统 非线性规划 Algorithms Nonlinear programming Optical systems Optimization
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参考文献8

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共引文献37

同被引文献9

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