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Design of Optical Filter Using Bald Eagle Search Optimization Algorithm

Intelligent Automation & Soft Computing 2023年第4期36卷 1215-1226页

作者： L.Jegan Antony Marcilin N.M.Nandhitha Research Scholar Department of ECESathyabama Institute of Science and TechnologyChennai600119India

Controlled thermonuclear reactors require consistent monitoring of plasma in the toroidal chamber.Better working conditions of such machines can be monitored by analyzing its radiations.Various wavelengths such as 656.3,486.1,464.7 nm are quite signiﬁcant which are used for health monitoring of thermonuclear machines.The optical thinﬁlmﬁlters which work on construc-tive and destructive interference are the ideal choices.Theseﬁlters are multi-layered with a pair of high and low refractive index dielectric materials.Signiﬁcantly high transmission index at the desired wavelength and relatively low transmission at the other wavelengths are desired.With this as the objective,it is necessary to design theﬁlter.Various optimization techniques are used for identifying the suitable design of theﬁlters.To choose the parameter combination that provides the most excellent performance,optimization of the design para-meters is entailed.The goal of this work is to improve the optical bandﬁlter using the Bald eagle search optimization(BES)method.The ideal design is determined by assessing several characteristics such as thickness,refractive index,Full-Width at Half-Maximum(FWHM),and the impact of choosing optical properties,which increases transmission potential.Initially,an alternate multi-layer stack with 28,30,and 32 layers is created by altering the thickness while keeping the dielectric substances high and low refractive indices constant.By adjusting the thickness of each layer,the BES algorithm achieves the best practical solution.The proposed method is implemented using MATLAB and the outcomes show the efﬁcacy of the proposed technique.The transmittance,reﬂectance,and FWHM using the pro-posed BES are found to be 99.9356%,0.065%,and 1.2 nm respectively.

关键词： Optical filter dielectricmaterial bandpassfilter baldeagle optimization algorithm thickness and refractive index

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