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fatehi M, sabatyan A. Generating of structured elliptical optical beams using spiral linear zone plate. ICOP & ICPET _ INPC _ ICOFS 2017; 23 :205-208
URL: http://opsi.ir/article-1-1243-en.html
URL: http://opsi.ir/article-1-1243-en.html
Abstract: (2538 Views)
Herein a novel diffractive element is introduced which is generated by a given combination of two phase shifted spiral linear zone plates. This element was studied and simulated under different topological charges. It is shown that an elliptical annular beam is generated at the focal plane. Moreover, a dark elliptical annular beam is also generated under another topological charge. Simulation results are verified by experiments.
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