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Proceedings Paper

Optimized multiplexing super resolution imaging based on a Fourier ptychographic microscope
Author(s): Jiasong Sun; Qian Chen; Yuzhen Zhang; Chao Zuo; Shijie Feng; Yan Hu; Jialin Zhang
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Paper Abstract

Fourier ptychographic microscopy (FPM) is a recently developed super-resolution technique by using angularly varying illumination and a phase retrieval algorithm to surpass the diffraction limit of the objective lens. To be specific, FP captures a set of low-resolution (LR) images under angularly varying illuminations, and combines them into one high-resolution (HR) image in the Fourier domain. However, the long capturing process becomes an obvious limitation since there are large number of images need to be acquired. Furthermore, the time can be increased several times over in order to acquire high-dynamic range images. Utilizing the multiplexing principle, we propose an optimized multiplexing FP algorithm, which is highly efficient, to shorten the exposure time of each raw image in this work. High acquisition efficiency is achieved by employing two set of optimized multiplexing patterns for bright-field and dark-field imaging respectively. Experimental results demonstrated that this method could improve the quality of reconstructed HR intensity distributions in a faster measuring process.

Paper Details

Date Published: 15 October 2015
PDF: 4 pages
Proc. SPIE 9672, AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications, 967219 (15 October 2015); doi: 10.1117/12.2204986
Show Author Affiliations
Jiasong Sun, Nanjing Univ. of Science and Technology (China)
Qian Chen, Nanjing Univ. of Science and Technology (China)
Yuzhen Zhang, Nanjing Univ. of Science and Technology (China)
Chao Zuo, Nanjing Univ. of Science and Technology (China)
Shijie Feng, Nanjing Univ. of Science and Technology (China)
Yan Hu, Nanjing Univ. of Science and Technology (China)
Jialin Zhang, Nanjing Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 9672:
AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications
Byoungho Lee; Yikai Su; Min Gu; Xiaocong Yuan; Daniel Jaque, Editor(s)

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