Optimized multiplexing super resolution imaging based on a Fourier ptychographic microscope

Jiasong Sun; Qian Chen; Yuzhen Zhang; Chao Zuo; Shijie Feng; Yan Hu; Jialin Zhang

doi:10.1117/12.2204986

15 October 2015 Optimized multiplexing super resolution imaging based on a Fourier ptychographic microscope

Jiasong Sun, Qian Chen, Yuzhen Zhang, Chao Zuo, Shijie Feng, Yan Hu, Jialin Zhang

Proceedings Volume 9672, AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications; 967219 (2015) https://doi.org/10.1117/12.2204986
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

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.

Citation Download Citation

Jiasong Sun, Qian Chen, Yuzhen Zhang, Chao Zuo, Shijie Feng, Yan Hu, and Jialin Zhang "Optimized multiplexing super resolution imaging based on a Fourier ptychographic microscope", Proc. SPIE 9672, AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications, 967219 (15 October 2015); https://doi.org/10.1117/12.2204986

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KEYWORDS

Multiplexing

Light emitting diodes

Super resolution

Light sources and illumination

Reconstruction algorithms

Lawrencium

Microscopes

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