2007
DOI: 10.1364/ol.32.000527
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Axial field shaping under high-numerical-aperture focusing

Abstract: Kant reported [J. Mod. Optics 47, 905 (2000)] a formulation for solving the inverse problem of vector diffraction, which accurately models high-NA focusing. Here, Kant's formulation is adapted to the method of generalized projections to obtain an algorithm for designing diffractive optical elements (DOEs) that reshape the axial point-spread function (PSF). The algorithm is applied to design a binary phase-only DOE that superresolves the axial PSF with controlled increase in axial sidelobes. An 11-zone DOE is i… Show more

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Cited by 14 publications
(6 citation statements)
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References 17 publications
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“…Если z велико, то интенсивность для выражений (15), (16) Более компактные оценки без зависимости от диапазона изменения z можно получить, когда в ин-тегралах (14) отрезок интегрирования небольшой, т.е. кольцевая апертура не слишком широкая.…”
Section: аналитическая оценка продольных распределенийunclassified
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“…Если z велико, то интенсивность для выражений (15), (16) Более компактные оценки без зависимости от диапазона изменения z можно получить, когда в ин-тегралах (14) отрезок интегрирования небольшой, т.е. кольцевая апертура не слишком широкая.…”
Section: аналитическая оценка продольных распределенийunclassified
“…Также для линейной поляризации была решена обратная задача формирования осевого распределе-ния на основе разложения ядра интегрального опе-ратора по полиномам Гегенбауэра [13,14].…”
Section: Introductionunclassified
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“…The DSE is aimed to sharpen the concentration of the radical photopolymer ξ(t); [18][19][20] its principle is shown in Figure 2.…”
Section: Superresolution Analysis Of the Two-photon Microfabricationmentioning
confidence: 99%
“…1 Recently we reported an algorithm for designing axially resolving DOEs under high-NA focusing. 2 The algorithm is based on integrating the vectorial diffraction integral with the Method of Generalized Projections (MGP). 3 The resulting DOE is an 11-zone rotationally symmetric binary 0/π phase-only achieving a super-resolution gain G = 0.71 while maintaining a relative side-lobe peak intensity of M = 0.52.…”
Section: Introductionmentioning
confidence: 99%