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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 432-435 |
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Salami P, Yousefi L. Multi-Step Holography-Based Super-Resolution Imaging. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :432-435
URL: http://opsi.ir/article-1-2396-en.html
URL: http://opsi.ir/article-1-2396-en.html
1- School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran 14395-515, Iran
Abstract: (866 Views)
For achieving a super-resolution image of an object, it is necessary to use information included in evanescent waves scattered from the object, for image reconstruction. Here, we show that using multiple reconstruction processes in holography technique, we can extract information of a wide range evanescent waves scattered from the object, and we can use them for reconstructing an image with a resolution beyond the diffraction limit. In order to verify our proposed method, using full-wave numerical simulations and by applying two reconstruction processes, a resolution of one-sixteenth of the working wavelength is achieved.
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