Articles with "waveguide" as a keyword



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Bio-Photonic Waveguide of a DNA-Hybrid Semiconductor Prismatic Hexagon.

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Published in 2020 at "Advanced materials"

DOI: 10.1002/adma.202005238

Abstract: A successful identification of DNA-DNA recognition, based on the waveguide effect of a 1D hybrid prismatic hexagon crystal interfacing of DNA with an organic semiconductor is achieved. This bio-hybrid 1D crystal simultaneously discerns the complementary… read more here.

Keywords: bio photonic; dna; semiconductor; prismatic hexagon ... See more keywords

High‐Gain of NdIII Complex Doped Optical Waveguide Amplifiers at 1.06 and 1.31 µm Wavelengths Based on Intramolecular Energy Transfer Mechanism

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202209239

Abstract: Chelate phosphine oxide ligand (9,9‐dimethyl‐9H‐xanthene‐4,5‐diyl) bis (diphenylphosphineoxide) (XPO) is prepared as a neutral ligand to synthesize complex Nd (TTA)3 (XPO) (TTA = 2‐thenoyltrifluoroacetone). An appropriate energy gap between the XPO and TTA ligands, which can… read more here.

Keywords: waveguide; tta; energy; xpo ... See more keywords

Morphology‐Dependent Luminescence and Optical Waveguide Property in Large‐Size Organic Charge Transfer Cocrystals with Anisotropic Spatial Distribution of Transition Dipole Moment

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201901280

Abstract: Organic cocrystals exhibiting active optical waveguide behaviors are strongly related to the total internal reflection, molecule stacking modes, and the spatial distribution of transition dipole moment (µ) in crystals. However, organic charge transfer (CT) cocrystals… read more here.

Keywords: spatial distribution; anisotropic spatial; distribution transition; waveguide ... See more keywords

Temperature Dynamics in Rat Brains Exposed to Near-Field Waveguide Outputs at 2.8 GHz.

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Published in 2021 at "Bioelectromagnetics"

DOI: 10.1002/bem.22377

Abstract: Biological effects in the microwave band of the radiofrequency (RF) spectrum are thermally mediated. For acute high-power microwave exposures, these effects will depend on transient time-temperature histories within the tissue. In this article, we summarize… read more here.

Keywords: rat brains; temperature; temperature dynamics; waveguide ... See more keywords

H‐plane corporate waveguide‐fed 4‐aperture‐stacked circular microstrip patch linear array for Ku band applications

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Published in 2017 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.30711

Abstract: In this article, a linearly polarized 4-element linear array in Ku band is presented. The single element consists of a circular microstrip patch capacitively coupled to a printed slot-end WR-51 waveguide. A corporate waveguide feeding… read more here.

Keywords: array band; linear array; corporate waveguide; microstrip patch ... See more keywords

Mode‐matching analysis for characterization of the sectoral waveguide mode converters

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Published in 2019 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.31941

Abstract: An S‐band sectoral waveguide (SWG) mode converter was presented for simulation and electromagnetic analysis. A mode‐matching technique (MMT) for the electromagnetic analysis of an SWG mode converter has been proposed. The problem of trifurcation of… read more here.

Keywords: analysis; sectoral waveguide; simulation; mode matching ... See more keywords

Optical performance of hybrid metal‐insulator‐metal plasmonic waveguide for low‐loss and efficient photonic integration

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32241

Abstract: The fundamental mode characteristics of hybrid metal‐insulator‐metal plasmonic waveguide (HMIMPW), consists of a high‐index layer sandwiched between two spacer/low‐index and metal layers, has been explored to achieve relatively high power density with smaller effective mode… read more here.

Keywords: hybrid metal; metal insulator; insulator metal; waveguide ... See more keywords

Propagation of wave in a cylindrical waveguide filled with hyperbolic negative index medium

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32460

Abstract: A co‐axial waveguide is filled with an anisotropic hyperbolic medium that has a radial negative component of the tensorial permittivity and permeability. This waveguide has no cutoff frequency for propagating transverse electric and transverse magnetic… read more here.

Keywords: waveguide filled; propagation wave; medium; wave cylindrical ... See more keywords

Design and numerical modeling of chalcogenide parabolic‐core waveguide for on‐chip supercontinuum generation extending from near‐IR region to mid‐IR region

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34105

Abstract: We present the design and computational examination of a waveguide structure with a parabolic core, implemented in AsSe2 chalcogenide glass. This structure aims to generate a mid‐infrared (mid‐IR) supercontinuum (SC) spectrum, covering the wavelength range… read more here.

Keywords: mid; parabolic core; waveguide; region ... See more keywords

Design of millimeter wave broadband polarization reconfigurable horn antenna based on elliptical waveguide polarizer

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34210

Abstract: A broadband polarized reconfigurable horn antenna for K‐band and Ka‐band is designed using a circular polarizer in the form of an elliptical waveguide and a circular waveguide flange based on a gap structure. The designed… read more here.

Keywords: polarizer; polarization; broadband; elliptical waveguide ... See more keywords

Nonreciprocity of thermal radiation in attenuated total reflection‐mediated optical waveguide

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34345

Abstract: Fano resonance (FR) and the triggered nonreciprocal thermal radiation (NTR) in a Weyl semimetal (WSM)‐ incorporated Kretschmann configuration has been observed and analyzed. Employing the anisotropic permittivity tensor, the electromagnetic responses of the proposed layered… read more here.

Keywords: nonreciprocity thermal; thermal radiation; radiation; radiation attenuated ... See more keywords