Designing continuous-phase super-resolving filters by differential evolution and conjugate gradient method

Gao Hongtao; Hu Song; Zhang YudongYan Wei

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Designing continuous-phase super-resolving filters by differential evolution and conjugate gradient method

机译：Designing continuous-phase super-resolving filters by differential evolution and conjugate gradient method

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摘要

A method for designing a class of phase-only super-resolving filters with continuous-phase that can be described by a sum of Zernike polynomials with weight coefficients is presented. With the use of the global search algorithm, differential evolution method, and the local search algorithm, the conjugate gradient method, three filters were designed as examples. The main-lobe size of the point spread function of the three filters can be reduced, keeping allowable central intensity and sidelobe intensity for some typical applications. This type of filter has the advantage of lower scatter compared with other phase-only filters composed of discontinuous phase. In particular, such filters can be implemented dynamically by a phase-controlling device. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)

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来源
《Optical Engineering》 |2016年第12期|125108-1-125108-6|共6页
作者
Gao Hongtao; Hu Song; Zhang YudongYan Wei;
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作者单位

Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China;

Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;光学仪器;
关键词
super-resolution filters; continuous-phase; differential evolution method; conjugate gradient method;

Designing continuous-phase super-resolving filters by differential evolution and conjugate gradient method

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