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Sabatyan A, Ebrahimi H. Study of focusing properties of modified photon sieve. ICOP & ICPET _ INPC _ ICOFS 2016; 22 :340-343
URL: http://opsi.ir/article-1-1067-en.html
URL: http://opsi.ir/article-1-1067-en.html
Abstract: (2692 Views)
We propose a method to increase resolution of a Fresnel zone plate by modulating Fresnel zones .In this method, Fresnel zones plate is divided into zones with different widths that each zone include an open ring. Then the open rings are replaced by a give distribution of pinholes which leads to modified photon sieve .Its focusing properties are broadly investigated by simulation and verified by experiments. Resolution of this lens is modified well as well as the Secondary foci are suppressed.
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