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Focusators into a ring
Authors:L L Doskolovich  S N Khonina  V V Kotlyar  I V Nikolsky  V A Soifer  G V Uspleniev
Institution:(1) Central Design Institute of Unique Instrumentation, Russian Academy of Sciences, Samara Branch, 151 Molodogvardeiskaya, 443001 Samara, Russia
Abstract:Using numerical and analytical approaches, we have computed the optical elements (focusators) required for focusing laser light into a narrow ring, a wide ring and a set of rings. A numerical comparison of the various computational techniques is reported. Finally the operation of a fabricated rotor axicon to focus light into a ring is reported.
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