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|Title:||Focal Field Distributions for Cylindrical Vector Beams: anti-resolution||Authors:||WAN CHAO||Keywords:||Cylindrical vector beam, anti-resolution, electromagnetic null field, binary optical system, diffraction, cloaking||Issue Date:||10-May-2013||Citation:||WAN CHAO (2013-05-10). Focal Field Distributions for Cylindrical Vector Beams: anti-resolution. ScholarBank@NUS Repository.||Abstract:||In this thesis, a novel concept, namely anti-resolution (AR), was proposed based on a newly discovered field distribution of focused cylindrical vector beams. For this phenomenon, a point source at the object plane leads to a large-radius ring intensity, resulting in unresolved imaging at the imaging plane. The aim of this thesis was to model, characterize, and realize such AR through an investigation of the energy flux of the light and phase modulation mechanism in a binary optical system. It was determined that the electromagnetic null-field region, corresponding to AR, has a remarkably large volume, and the light intensity inside this volume is thoroughly diminished. These extraordinary findings strongly suggest a possible application of AR in the field of cloaking. Therefore, another aim of this thesis was to realize an AR-based cloaking method. The experimental design, cloaking mechanism, and cloaking performance were simultaneously investigated.||URI:||http://scholarbank.nus.edu.sg/handle/10635/78955|
|Appears in Collections:||Ph.D Theses (Open)|
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