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18 August 2011 Detection technology of simultaneous imaging polarization
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Abstract
Detection technology of polarization imaging, which can detect the polarization state of light emitted or reflected from targets, has potential applications in space target detection and remote sensing. There are two methods for polarization state detection: time-sequential polarization detection and simultaneous polarization detection. In contrast with the well-studied time-sequential acquisition systems, the Simultaneous Imaging Polarization (SIP, one kind of simultaneous polarization detection) is a novel type of polarization imaging technology which is attracting more and more research interest. Since the polarization intensity images of 0, 45, 90 and 135 degrees from the same target can be simultaneously obtained on one detector, false polarization effects being introduced by targets' rapidly motion is avoided, which is difficult in time-sequential polarization detection system. There are seven major contributions in this paper. First, we gave a briefly introduction about the detection technology of imaging polarization. Second, the polarization detection principle of SIP detection system was presented. In the third part, the design of SIP experimental setup was showed. In the fourth part, we introduced image registration of the instrument in derail. The calibration of the instrument was shown in part five. Specifically, the depolarization of the instrument was calibrated by integrating sphere and the precision of polarization detection was tested by Variable Polarization Light Source (VPLS). The sixth part showed the polarization measurement results and their discussions. Finally, the conclusions and further improvement of this system were presented in the seventh part.
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Chang-Jiu Yang, Shuang Li, Zhen-Wei Qiu, Jin Hong, and Yan-Li Qiao "Detection technology of simultaneous imaging polarization", Proc. SPIE 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, 81943M (18 August 2011); https://doi.org/10.1117/12.900336
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