استخراج روش‌هاي طراحي و لايه‌نشاني پالايه‌هاي تداخلي باريك باند با ناحيه طرد بسيار وسيع

Derivation of design an‎d deposition methods of narrowban‎d interference filters with a very wide rejection ban‎d

فيزيك

Abstract Narrowban‎d interference filters are critical components in optical an‎d photonic systems, enabling the selec‎tive transmission of specific wavelengths based on the principle of interference. The precise design of such filters depends on various parameters, including material selec‎tion, layer thicknesses, an‎d their arrangement. This study aims to design a highly selec‎tive narrowban‎d interference filter by first exploring the underlying physics of thin-film interference. Various numerical design techniques an‎d simulation tools were utilized to analyze the impact of different structural configurations, including quarter-wave an‎d half-wave layers, as well as variations in layer thickness. Subsequently, the feasibility of fabricating the designed filter using common optical thin-film deposition methods was eva‎luated. The results demonstrate the potential for realizing high-performance filter structures with narrow transmission ban‎ds, suitable for applications such as optical communications an‎d scientific imaging.

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