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The interference images with fixed spectral resolution can be obtained by using the existing static polarization-difference imaging system because the optical path of the system cannot be changed flexibly. However, for different detection targets, the spectral resolution of the system determined by the optical path difference must be appropriate. To satisfy a variety of application requirements, a novel dual channel polarization-difference interference imaging system (DPDⅡS), based on the lateral shear of the wide-field-of-view Savart polariscope (WSP) and the modulated Savart polariscope (MSP), is presented. The two-dimensional space images of a target and orthogonal interference images can be obtained by adjusting the MSP under different lateral displacements simultaneously. In addition, the remarkable characteristics of the system avoid spilling over rays and optimizing the system optical path effectively. In this paper, by using the Jones matrix, the system structure is demonstrated and the theoretical principle of DPDⅡS is analyzed in detail. The amplitudes of the four beams from the MSP and the interference intensity expressions of the coherent light are derived. Then the splitting characteristics of the Savart polariscope (SP) and WSP are presented. It is concluded that the WSP has better shear ability than SP and the WSP can optimize the optical path effectively compared with Wollaston prism in the DPDⅡS. The change ranges of the optical path difference and lateral displacement produced by the MSP for structure angles =/3, /4, /6 are analyzed in detail. The reconstructed orthogonal interferograms and the experimental interferograms under 632.8 nm monochromatic light for dMSP=1.00, 1.10, 1.20, 1.30 mm are obtained. A comparison between the experimental interference images and the simulated images proves that the interference fringes with different resolutions can be obtained simultaneously by adjusting the MSP. Meanwhile, the light intensities of the double optical paths are approximately equal and the same optical path difference is generated for the dual channel with the movement of MSP. The experimental results are consistent with the theoretical analyses. The spatial images of parallel and vertical components are detected under 632.8 nm polychromatic light. Then the total intensity image and the polarization-difference image are obtained through data processing. The conclusion that the polarization difference intensity image has a high resolution compared with the polarization intensity image is presented. The study has reference significance and practical value for the dual channel polarization interference imaging system.
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Keywords:
- imaging systems /
- polarized interference /
- simultaneous imaging /
- the wide-field-of-view Savart polariscope
[1] Meng X, Li J, Liu D, Zhu R H 2013 Opt. Lett. 38 778
[2] Meng X, Li J X, Xu T T, Liu D F, Zhu R H 2013 Opt. Express 21 32071
[3] Zhang C M, Xiang L B, Zhao B C, Yuan X 2002 Opt. Commun. 23 21
[4] Zhang C M, Yan X, Zhao B C 2008 Opt. Commun. 281 2050
[5] Zhao B C, Yang J F, Chang L Y 2009 Acta Photon. Sin. 38 497 (in Chinese)[赵葆常, 杨建峰, 常凌颖 2009 光子学报 38 497]
[6] Wu H Y 2011 Opt. Eng. 50 066201
[7] Xiang L B, Wang Z H, Liu X B 2009 Remote Sens. Technol. Appl. 24 257 (in Chinese)[相里斌, 王忠厚, 刘学斌 2009 遥感技术与应用 24 257]
[8] Zeng N, Jiang X Y, Gao Q, He Y H, Ma H 2009 Appl. Opt. 48 6734
[9] Zhang C M, Li W Q, Yan T Y, Mu T K, Wei Y T 2016 Opt. Express. 24 23314
[10] Zhang C M, Zhao B C, Xiang L B 2004 Appl. Opt. 43 6090
[11] Quan N C, Zhang C M, Mu T K 2016 Acta Phys. Sin. 65 080703 (in Chinese)[权乃承, 张淳民, 穆廷魁 2016 65 080703]
[12] Yu H, Zhang R, Li K W, Xue R, Wang Z B 2017 Acta Phys. Sin. 66 054201 (in Chinese)[于慧, 张瑞, 李克武, 薛瑞, 王志斌 2017 66 054201]
[13] Mu T K, Zhang C M, Ren W Q, Jia C L 2012 Opt. Lett. 37 3507
[14] Dai H S, Ren W W, Zhang C M, Mu T K, Gao H W C N 102297722A[2011-12-28]
[15] Mu T K, Zhang C M, Li Q W 2014 Acta Phys. Sin. 63 110705 (in Chinese)[穆廷魁, 张淳民, 李祺伟 2014 63 110705]
[16] Zhu Y C, Shi J H, Yang Y, Zeng G H 2015 Appl. Opt. 54 1279
[17] Arnaud B, Mehdi A, Francois G, Dolfi D 2009 Appl. Opt. 48 5764
[18] Wang T, Niu M S, Bu M M, Han P G, Hao D Z, Ma L L, Song L K 2017 Acta Opt. Sin. 37 107 (in Chinese)[王田, 牛明生, 步苗苗, 韩培高, 郝殿中, 马丽丽, 宋连科 2017 光学学报 37 107]
[19] Mu T K, Zhang C M, Zhao B C 2009 Appl. Opt. 48 2333
[20] Mu T K, Zhang C M, Zhao B C 2009 Opt. Commun. 282 1984
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[1] Meng X, Li J, Liu D, Zhu R H 2013 Opt. Lett. 38 778
[2] Meng X, Li J X, Xu T T, Liu D F, Zhu R H 2013 Opt. Express 21 32071
[3] Zhang C M, Xiang L B, Zhao B C, Yuan X 2002 Opt. Commun. 23 21
[4] Zhang C M, Yan X, Zhao B C 2008 Opt. Commun. 281 2050
[5] Zhao B C, Yang J F, Chang L Y 2009 Acta Photon. Sin. 38 497 (in Chinese)[赵葆常, 杨建峰, 常凌颖 2009 光子学报 38 497]
[6] Wu H Y 2011 Opt. Eng. 50 066201
[7] Xiang L B, Wang Z H, Liu X B 2009 Remote Sens. Technol. Appl. 24 257 (in Chinese)[相里斌, 王忠厚, 刘学斌 2009 遥感技术与应用 24 257]
[8] Zeng N, Jiang X Y, Gao Q, He Y H, Ma H 2009 Appl. Opt. 48 6734
[9] Zhang C M, Li W Q, Yan T Y, Mu T K, Wei Y T 2016 Opt. Express. 24 23314
[10] Zhang C M, Zhao B C, Xiang L B 2004 Appl. Opt. 43 6090
[11] Quan N C, Zhang C M, Mu T K 2016 Acta Phys. Sin. 65 080703 (in Chinese)[权乃承, 张淳民, 穆廷魁 2016 65 080703]
[12] Yu H, Zhang R, Li K W, Xue R, Wang Z B 2017 Acta Phys. Sin. 66 054201 (in Chinese)[于慧, 张瑞, 李克武, 薛瑞, 王志斌 2017 66 054201]
[13] Mu T K, Zhang C M, Ren W Q, Jia C L 2012 Opt. Lett. 37 3507
[14] Dai H S, Ren W W, Zhang C M, Mu T K, Gao H W C N 102297722A[2011-12-28]
[15] Mu T K, Zhang C M, Li Q W 2014 Acta Phys. Sin. 63 110705 (in Chinese)[穆廷魁, 张淳民, 李祺伟 2014 63 110705]
[16] Zhu Y C, Shi J H, Yang Y, Zeng G H 2015 Appl. Opt. 54 1279
[17] Arnaud B, Mehdi A, Francois G, Dolfi D 2009 Appl. Opt. 48 5764
[18] Wang T, Niu M S, Bu M M, Han P G, Hao D Z, Ma L L, Song L K 2017 Acta Opt. Sin. 37 107 (in Chinese)[王田, 牛明生, 步苗苗, 韩培高, 郝殿中, 马丽丽, 宋连科 2017 光学学报 37 107]
[19] Mu T K, Zhang C M, Zhao B C 2009 Appl. Opt. 48 2333
[20] Mu T K, Zhang C M, Zhao B C 2009 Opt. Commun. 282 1984
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