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- W2896029124 abstract "Optical beam steering has broad applications in lidar, optical communications, optical interconnects, and spatially resolved optical sensors. For high-speed applications, phased-array-based beam-steering methods are favored over mechanical methods, as they are unconstrained by inertia and can inherently operate at a higher speed. However, phased-array systems exhibit a tradeoff between angular range and beam divergence, making it difficult to achieve both a large steering angle and a narrow beam divergence. Here, we present a beam-steering method based on wavefront shaping through a disorder-engineered metasurface that circumvents this range-resolution tradeoff. We experimentally demonstrate that, through this technique, one can continuously steer an optical beam within a range of 160° (80° from normal incidence) with an angular resolution of about 0.01° at the cost of beam throughput." @default.
- W2896029124 created "2018-10-26" @default.
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- W2896029124 date "2018-10-18" @default.
- W2896029124 modified "2023-10-18" @default.
- W2896029124 title "Wide-angular-range and high-resolution beam steering by a metasurface-coupled phased array" @default.
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- W2896029124 doi "https://doi.org/10.1364/ol.43.005255" @default.
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