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题名:
Inverse sinusoidal phase mask to extend the depth of field of incoherent imaging systems
作者: Zhou, L(周亮)1,2; Liu, CH(刘朝晖)1; She, Wenji1; Shan, Qiusha1
作者部门: 光电测量技术实验室
刊名: OPTIK
出版日期: 2016
卷号: 127, 期号:20, 页码:9105-9110
关键词: Wavefront coding ; Extended depth of field ; Image artifacts ; Optical transfer function
DOI: 10.1016/j.ijleo.2016.06.131
通讯作者: Zhou, Liang (zhouliang@opt.ac.cn)
文章类型: Article
英文摘要:

Wavefront coding is an effective way to extend the depth of field of an incoherent imaging system. With a suitable phase mask, the defocus invariant imaging characteristic of an incoherent imaging system can be achieved. In this paper, an effective way to generate new type of phase mask is proposed. On the basis of the new method, the inverse sinusoidal phase mask is proposed to enrich the family of anti-symmetric phase masks. The performances of inverse sinusoidal phase mask are evaluated by comparisons with cubic, sinusoidal and tangent phase masks. Numerical evaluations demonstrate that the proposed phase mask has superior performance in extending the depth of field and small artifacts in restored images, particularly at large defocus. (C) 2016 Elsevier GmbH. All rights reserved.

WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: MODULATION TRANSFER-FUNCTION ; PUPIL MASKS ; DECONVOLUTION ; QUALITY
收录类别: SCI ; EI
项目资助者: National High Technology Research and Development Program of China(2013AA7088047)
语种: 英语
WOS记录号: WOS:000389102500118
ISSN号: 0030-4026
产权排序: 1
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.opt.ac.cn/handle/181661/28235
Appears in Collections:光电测量技术实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhou, Liang,Liu, Zhaohui,She, Wenji,et al. Inverse sinusoidal phase mask to extend the depth of field of incoherent imaging systems[J]. OPTIK,2016-01-01,127(20):9105-9110.
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文件名: Inverse sinusoidal phase mask to extend the depth of field of incoherent imaging systems.pdf
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