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   Articles with "waveguide mode" as a keyword



Enhanced dielectric waveguide mode from the coupling of surface plasmon polaritons excited by a parallel electron beam

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recommendations! Published in 2019 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.09.050

Abstract: Abstract The coherent, power enhanced and mode selected light radiation from the coupling of surface plasmon polaritons (SPPs) and waveguide modes is presented here. The results of theoretical analysis show that this coupling occurs in… read more here.

Keywords: surface plasmon; radiation; coupling surface; waveguide mode ... See more keywords

Design and Test of a Novel Broadband Circular Waveguide TE 31 Mode Converter

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recommendations! Published in 2025 at "Electronics Letters"

DOI: 10.1049/ell2.70440

Abstract: In order to meet the cold testing requirements of high‐frequency systems for gyrotron travelling wave tube (Gyro‐TWT), a novel broadband circular waveguide TE 31 mode converter is designed and verified in this letter. The designed… read more here.

Keywords: waveguide mode; mode; mode converter; waveguide ... See more keywords

Optimization of a waveguide-mode sensing chip for an ultraviolet near-field illumination biosensor.

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recommendations! Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.026011

Abstract: A waveguide-mode sensor with a planar sensing chip, consisting of two waveguiding layers and a glass substrate, is a promising candidate for a near-field illumination biosensor. Aiming at using fluorescent labeling induced by ultraviolet light,… read more here.

Keywords: waveguide mode; sensing chip; near field; ultraviolet near ... See more keywords
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Ultra-narrowband light absorption enhancement of monolayer graphene from waveguide mode.

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recommendations! Published in 2020 at "Optics express"

DOI: 10.1364/oe.401329

Abstract: Greatly improving the light absorption efficiency of graphene and simultaneously manipulating the corresponding absorption bandwidth (broadband or narrowband) is practically important to design graphene-based optoelectronic devices. In this work, we will theoretically show how to… read more here.

Keywords: absorption; waveguide mode; monolayer; graphene ... See more keywords