Resolution improvement of digital holographic images based on angular multiplexing with incoherent beams in orthogonal polarization states |
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| Authors: | Zhao Jianlin Yan Xiaobo Sun Weiwei Di Jianglei |
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| Institution: | Shaanxi Key Laboratory of Optical Information Technology, the Key Laboratory of Space Applied Physics and Chemistry,Ministry of Education, School of Science, Northwestern Polytechnical University, Xi’an 710072, China. jlzhao@nwpu.edu.cn |
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| Abstract: | We present a method to improve the resolution of digital holographic images based on angular multiplexing with incoherent beams from two orthogonal polarized components of natural light. Two incoherent subholograms are synchronously recorded by two pairs of incoherent object waves and reference waves with orthogonal polarization states, in which the object is illuminated by two incoherent beams from different directions. The increase in resolution is obtained through phase correction and superposition of two reconstructed object waves. Experimental results show that the resolution and quality of the reconstructed image can be effectively improved. |
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