Search Results - Zhiqiang Xie
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Order-Controllable Cylindrical Vector Vortex Beam Generation by Using Spatial Light Modulator and Cascaded Metasurfaces
Published 2017-01-01Get full textCylindrical vector vortex (CVV) beam, which possesses both helical phase front and spatially inhomogeneous polarization, is a promising structured light for its various applications ranging from optical communication to optical field manipulation and optical microscopy. However, approaches to genera...
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Effectively Identifying the Topological Charge and Polarization Order of Arbitrary Singular Light Beams Based on Orthogonal Polarization Separating
Published 2019-01-01Get full textSingular beams with spatially variant field distributions have various fantastic applications. However, one of the significant challenges that hinder the wide application of singular beams is how to effectively identify the topological charge and the polarization order of arbitrary singular beams. W...
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Comparison of Flood Resilience Between Low-Carbon and Traditional Communities: A Case Study of Kunming, China
Published 2025-06-01Get full textUnder China’s dual carbon strategy, low-carbon city construction is expected to help reduce urban flood risks. However, the flood resilience of low-carbon communities remains unclear, limiting effective disaster prevention. This study examines traditional and newly built low-carbon communities in Ku...
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Immune persistence of a single dose of 23-valent pneumococcal polysaccharide vaccine: A 6-year follow-up
Published 2025-12-01Get full textIn a previous phase 3 clinical trial, a 23-valent pneumococcal polysaccharide vaccine (PPV23) induced robust immune responses in participants aged 2 years and older. We conducted this study to evaluate the immune persistence of a single dose of PPV23 6 years after vaccination. In this follow-up stud...
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