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Design of Hyperspectral Polarimetic Imaging System Based on LCTF and LCVR |
YANG Fan-chao1, 2, LI Yong1, HU Bing-liang1, KONG Liang1 , WEI Ru-yi1, LI Hong-bo1, 2 |
1. Laboratory of Spectral Imaging Technique, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China
2. University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract A hyperspectral polarimetic imaging system was proposed based on LCTF and LCVR. The system could break the limit of incomplete polarization acquiring by the conventional single LCTF system and acquire the full Stokes parameters of targets. It used the 4 different groups of phase retardance of LCVRs to build a 4×4 inversion algorithm matrix to calculate the original full polarization information. After calibration of the Retardance-Voltage characters of two LCVRs, the inversion algorithm was verified by laser at 633nm. The measured errors of full Stokes parameters, corresponding calculated degree and angel of linear polarization were analyzed, and the inversion algorithm was proved work well. The results indicated that the hyperspectral polarimetric imaging system could provide reliable hyperspectral and polarization information for remote sensing.
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Received: 2015-12-16
Accepted: 2016-04-05
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