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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 1121-1124 |
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Salami P, Yousefi L. Converting Evanescent Waves into Propagating Modes Using Holography. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :1121-1124
URL: http://opsi.ir/article-1-2203-en.html
URL: http://opsi.ir/article-1-2203-en.html
1- School of Electrical and Computer Engineering, College of Engineering, University of Tehran
Abstract: (1244 Views)
In order to obtain information about subwavelength features of an object, it is necessary to detect evanescent waves scattered from the object, which is not possible in far field region. Here, based on holography concept, we show theoretically that we can record evanescent waves in a photoresist layer and apply a shift in their spatial frequencies. This will result in evanescent to propagating wave conversion and can be used for detecting information about subwavelength features of the object in far field.
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