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Calibration method for equivalent extinction ratio of polarized pixel in integrated micropolarizer array camera
Feng B(冯斌); Shi ZL(史泽林); Liu HZ(刘海峥); Zhao YH(赵耀宏)
Department光电信息技术研究室
Conference NameLIDAR IMAGING DETECTION AND TARGET RECOGNITION 2017
Conference DateJuly 23-25, 2017
Conference PlaceChangchun, China
Author of SourceChinese Society for Optical Engineering (CSOE)
Source PublicationProceedings SPIE 10605, LIDAR Imaging Detection and Target Recognition 2017
PublisherSPIE
Publication PlaceBellingham, USA
2017
Pages1-5
Indexed ByEI ; CPCI(ISTP)
EI Accession number20181705047012
WOS IDWOS:000426279000043
Contribution Rank1
ISSN0277-786X
KeywordEquivalent Extinction Ratio Polarization Orientation Micropolarizer Array Polarization Imaging
AbstractEquivalent extinction ratio and polarization orientation are two significant parameters representing the performance of a polarized pixel in an integrated micropolarizer array camera. With manufacturing and integrating errors of the micropolarizer array, equivalent extinction ratios are nonuniform and polarization orientations of polarized pixels deviate from their nominal values. Measuring the equivalent extinction ratio and the polarization orientation of each polarized pixel by rotating a polarizer at a tiny step is extremely time-consuming and even inaccurate. Therefore, this paper proposes a calibration method for the equivalent extinction ratio and the polarization orientation of each polarized pixel. Its principle is derived by theorizing the relationship between an orientation of a linearly polarized incident light and its digital output of a polarized pixel. In experiment, this derived principle is applied to an integrated micropolarizer array camera. Experimental result proves that calibrated equivalent extinction ratios generally vary from 4.5 to 10, with a mean of 7.939 and a standard variation of 1.053. © (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/21308
Collection光电信息技术研究室
Corresponding AuthorFeng B(冯斌)
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Key Laboratory of Opto-electronic Information Processing, Chinese Academy of Sciences, Shenyang 110016
3.School of Optoeletronic Engineering, Xi'an Technological University, Xi’an 710032, China
Recommended Citation
GB/T 7714
Feng B,Shi ZL,Liu HZ,et al. Calibration method for equivalent extinction ratio of polarized pixel in integrated micropolarizer array camera[C]//Chinese Society for Optical Engineering (CSOE). Bellingham, USA:SPIE,2017:1-5.
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