Comparison of Accuracy in the Determination of Optical Vortex Coordinates by Different Methods = Сравнение точности определения координат оптических вихрей различными методами / F. Yu. Kanev, V. P. Aksenov, N. A. Makenova, I. D. Veretekhin
Уровень набора: Optoelectronics, Instrumentation and Data ProcessingЯзык: английский.Страна: .Резюме или реферат: Two algorithms for the determination of optical vortex coordinates are considered. In the first one, the vortex is found by branching of interference pattern fringes; in the second one, as a result of processing of the wavefront gradient distribution. It is shown that both algorithms allow one to record the coordinates with a high accuracy; in addition, it is possible to determine shifts of singular points appearing as a result of radiation diffraction..Примечания о наличии в документе библиографии/указателя: [References: 17 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | optical vortices | points of interference fringe branching | local slopes | Shack-Hartmann sensor Ресурсы он-лайн:Щелкните здесь для доступа в онлайнНет реальных экземпляров для этой записи
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[References: 17 tit.]
Two algorithms for the determination of optical vortex coordinates are considered. In the first one, the vortex is found by branching of interference pattern fringes; in the second one, as a result of processing of the wavefront gradient distribution. It is shown that both algorithms allow one to record the coordinates with a high accuracy; in addition, it is possible to determine shifts of singular points appearing as a result of radiation diffraction.
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