Optimal Design of Dielectric-Filled Plasmonic Slot Waveguide with Genetic Algorithm

Kim, Daekeun; Jung, Jaehoon

doi:10.3807/josk.2012.16.1.070

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Optimization Of the Attenuation Constant 𝜶 𝟎 Using A Genetic...1

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“…GAs are a subclass of evolutionary algorithms known as global search heuristics. They may be used to address a wide range of complicated issues that are difficult to solve using standard methods [21], [22]. A 'chromosome' is a possible solution to the problem.…”

Section: Optimization Of the Attenuation Constant 𝜶 𝟎 Using A Genetic...mentioning

confidence: 99%

Bio-inspired intelligence for minimizing losses in substrate integrated waveguide

Akkader

Bouyghf

Baghdad

2023

IJECE

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This paper presents a study of various types of losses in substrate-integrated waveguides (SIW) using a genetic algorithm. Three main types of losses are considered and examined separately: conductor loss, dielectric loss, and radiation loss. Furthermore, the current analysis allows for a physical understanding of the loss impacts as well as the creation of design guidelines to reduce losses at 10 GHz frequency while keeping the miniaturized size of the SIW. Validation results obtained using the software Ansys HFSS, verify that the attenuation constant of the SIW can be significantly reduced to 0.4 dB/m, the Insertion loss S21 to -0.2 dB and the return loss to -38 dB if the geometric parameters are chosen properly. This study enables us to identify the source of losses in a SIW and, as a result, eliminate any type of dispersion. That demonstrates the usability of SIW technologies in the design of microwave circuits used in Internet of things applications.

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Section: Optimization Of the Attenuation Constant 𝜶 𝟎 Using A Genetic...mentioning

confidence: 99%