CIOMP OpenIR
Effect of extinction ratio and detector noise on polarization accuracy of nanometer wire grid polarization imaging system
Wang, De-Jiang; Sun, He; Sun, Xue-Qian
2018
发表期刊Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN1004924X
卷号26期号:10页码:2371-2379
摘要In remote sensing imaging, extinction ratio and detector noise are important parameters that determine the accuracy of polarization imaging of nanowire gratings. To strike a balance between the two parameters for system optimization, a mathematical model using the two parameters and polarization noise was established in this paper. The photoelectron number received by large pixels was used as a measure to quantify the relationship between detector noise and system polarization noise. The effect of the two parameters on polarization noise was compared via a simulation wherein the polarization state of incident light was changed. Then, a platform to test the accuracy of polarization imaging with adjustable extinction ratio and exposure time was built to verify the mathematical model and simulation results. The simulation results demonstrate that when the extinction ratio of the system is greater than 20, wherein increasing detector noise by increasing the number of photoelectrons received by large pixels makes a greater contribution to the polarization accuracy than increasing the extinction ratio. 2018, Science Press. All right reserved.
关键词Polarization Light extinction Nanowires Photoelectrons Photons Pixels Remote sensing
DOI10.3788/OPE.20182610.2371
收录类别EI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60643
专题中国科学院长春光学精密机械与物理研究所
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Wang, De-Jiang,Sun, He,Sun, Xue-Qian. Effect of extinction ratio and detector noise on polarization accuracy of nanometer wire grid polarization imaging system[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2018,26(10):2371-2379.
APA Wang, De-Jiang,Sun, He,&Sun, Xue-Qian.(2018).Effect of extinction ratio and detector noise on polarization accuracy of nanometer wire grid polarization imaging system.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,26(10),2371-2379.
MLA Wang, De-Jiang,et al."Effect of extinction ratio and detector noise on polarization accuracy of nanometer wire grid polarization imaging system".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 26.10(2018):2371-2379.
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