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- W4308672057 abstract "With the discovery of self-accelerating beams, possibility of obtaining curved light beams in free space has been realized. These special beams paved the way for many new applications as well as the exploration of novel beam types. Recently, great research effort has been conducted to realize different types of curved beams such as photonic hook and airy beam. These curved types of beams are obtained by introducing structural asymmetry or applying non-uniform dielectric distribution to the input and output face of the structure. With this regard, we propose specially designed asymmetric structure with polynomial back surface which generates curved light beams. Proposed lossless dielectric structure can generate curved beams at frequencies varying from 15.78 GHz to 20.09 GHz and corresponding curvature angles of minimum 41.34 and maximum 57.58 degrees, respectively. The physical background of the curved beam formation is based on interference of the exiting light waves that diffract on upper and bottom polynomial surfaces which provides phase modulation leading to the curved trajectory of the propagating light. In addition, the observed beam steering effect is further investigated and the experimental verification in microwave region is conducted to verify our design's operation principle." @default.
- W4308672057 created "2022-11-14" @default.
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- W4308672057 date "2022-10-24" @default.
- W4308672057 modified "2023-10-16" @default.
- W4308672057 title "Curved beam generation and its experimental realization by rectangular prism with asymmetric polynomial back surface" @default.
- W4308672057 doi "https://doi.org/10.48550/arxiv.2211.04326" @default.
- W4308672057 hasPublicationYear "2022" @default.
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