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Continuous contour phase plate design. Final report, Project 2.
Author(s) -
Victor I. Shmalhausen
Publication year - 1996
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/237263
Subject(s) - smoothing , phase (matter) , square (algebra) , intensity (physics) , amplitude , algorithm , function (biology) , gravitational singularity , continuous phase modulation , representation (politics) , mathematics , computer science , optics , mathematical analysis , geometry , computer vision , physics , telecommunications , quantum mechanics , evolutionary biology , politics , law , political science , biology
We describe an iterative optimization algorithm developed for continuous contour phase plate design. With the help of this algorithm, a kinoform plate was designed to transform the square supergaussian beam into round supergaussian one. The phase function derived by the proposed method is smooth, has analytical representation, and has no singularities. Drawback is that this function does not provide smoothing of the incoming intensity distribution like random phase plates do and output intensity should be sensitive to variations of the illuminating light amplitude

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