Articles with "directional beam" as a keyword



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Sensitivity-Based Structural Optimal Design With Bi-Directional Beam Propagation Method for Photonic Devices in High-Index-Contrast Waveguides

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Published in 2020 at "IEEE Photonics Journal"

DOI: 10.1109/jphot.2020.3029032

Abstract: This paper presents structural optimization based on sensitivity analysis exploiting a bi-directional beam propagation method (Bi-BPM) to design efficiently passive components in high-index-contrast optical waveguides. In this study, the Bi-BPM based on scaled-version Denman-Beavers iteration… read more here.

Keywords: propagation method; beam propagation; directional beam; sensitivity ... See more keywords
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An All-Metallic Reflectarray and Its Element Design: Exploring the Radiation Characteristics of Antennas for Directional Beam Applications

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Published in 2018 at "IEEE Antennas and Propagation Magazine"

DOI: 10.1109/map.2018.2859166

Abstract: This article presents an investigation into the radiation characteristics of broadband, all-metallic reflectarray antennas with nonresonant convex elements for directional beam applications. The metallic reflecting elements demonstrate advantages over conventional elements that are realized on… read more here.

Keywords: metallic reflectarray; directional beam; beam applications; radiation characteristics ... See more keywords
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Designing a wideband dielectric polygonal directional beam antenna using the ray inserting method.

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Published in 2020 at "Applied optics"

DOI: 10.1364/ao.397997

Abstract: This paper presents the design of a wideband polygonal directional beam antenna based on the ray inserting method. The wideband characteristic of the directional beam antenna is achieved thanks to the use of inhomogeneous dielectric… read more here.

Keywords: beam antenna; ray inserting; directional beam; polygonal directional ... See more keywords
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Multi-directional beam steering using diffractive neural networks.

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Published in 2020 at "Optics express"

DOI: 10.1364/oe.400364

Abstract: The modern-day resurgence of machine learning has encouraged researchers to revisit older problem spaces from a new perspective. One promising avenue has been implementing deep neural networks to aid in the simulation of physical systems.… read more here.

Keywords: beam steering; neural networks; multi directional; optics ... See more keywords