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Analytical model for effect of temperature variation on PSF consistency in wavefront coding infrared imaging system
Feng B(冯斌); Shi ZL(史泽林); Zhang CS(张程硕); Xu BS(徐保树); Zhang, Xiaodong
作者部门光电信息技术研究室
关键词Analytical Model Wavefront Coding Psf Consistency Infrared Imaging Athermalization
发表期刊Optics Communications
ISSN0030-4018
2016
卷号367页码:35-43
收录类别SCI ; EI
EI收录号20160501867291
WOS记录号WOS:000370127300006
产权排序1
资助机构Innovation Foundation of the Chinese Academy of Sciences (Grantno.CXJJ-14-S116) and Tianjin Research Program of Application Foundation and Advanced Technology (Grant no.14JCQNJC05200).
摘要The point spread function (PSF) inconsistency caused by temperature variation leads to artifacts in decoded images of a wavefront coding infrared imaging system. Therefore, this paper proposes an analytical model for the effect of temperature variation on the PSF consistency. In the proposed model, a formula for the thermal deformation of an optical phase mask is derived. This formula indicates that a cubic optical phase mask (CPM) is still cubic after thermal deformation. A proposed equivalent cubic phase mask (E-CPM) is a virtual and room-temperature lens which characterizes the optical effect of temperature variation on the CPM. Additionally, a calculating method for PSF consistency after temperature variation is presented. Numerical simulation illustrates the validity of the proposed model and some significant conclusions are drawn. Given the form parameter, the PSF consistency achieved by a Ge-material CPM is better than the PSF consistency by a ZnSe-material CPM. The effect of the optical phase mask on PSF inconsistency is much slighter than that of the auxiliary lens group. A large form parameter of the CPM will introduce large defocus-insensitive aberrations, which improves the PSF consistency but degrades the room-temperature MTF.
语种英语
WOS标题词Science & Technology ; Physical Sciences
WOS类目Optics
关键词[WOS]PHASE MASK ; OPTICAL-SYSTEMS ; LENS ; ATHERMALIZATION ; COMPENSATION
WOS研究方向Optics
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/17646
专题光电信息技术研究室
通讯作者Feng B(冯斌)
作者单位1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
2.Key Laboratory of Opto-electronic Information Processing, Chinese Academy of Sciences, Shenyang, China
3.University of Chinese Academy of Science, Beijing, China
4.State Key Laboratory of Precision Measuring Technology and Instruments, Centre of MicroNano Manufacturing Technology, Tianjin University, Tianjin, China
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GB/T 7714
Feng B,Shi ZL,Zhang CS,et al. Analytical model for effect of temperature variation on PSF consistency in wavefront coding infrared imaging system[J]. Optics Communications,2016,367:35-43.
APA Feng B,Shi ZL,Zhang CS,Xu BS,&Zhang, Xiaodong.(2016).Analytical model for effect of temperature variation on PSF consistency in wavefront coding infrared imaging system.Optics Communications,367,35-43.
MLA Feng B,et al."Analytical model for effect of temperature variation on PSF consistency in wavefront coding infrared imaging system".Optics Communications 367(2016):35-43.
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