Analysis of multigroup and multichannel filtering properties in a ferroelectric-dielectric periodic multilayer

Tzu Chyang King, Ya Wen Li, Yu Huai Li, Chien Jang Wu

    Research output: Contribution to journalArticle

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    Abstract

    In this work, we propose a filter structure using a one-dimensional ferroelectric-dielectric periodic multilayer, air/[(ABA)Ns,C]Np(ABA)Ns/air,where Ns and Np are the two numbers of periods. Here, B is a dielectric material of SiO2, C is the same as B with a different thickness, and A is taken to be a ferroelectric material Ba55Sr45TiO3 + 30%Mg2SiO4, whose dielectric constant is very high (ε = 439 at 10 GHz). The results show that the transmittance spectra have Ns-channel groups at microwave frequencies and these groups can be classified into two types. The first type has only one channel group with Np narrower channels. The other has Ns - 1 groups, each of which has Np + 1 broader channels. In this filter structure the group number and channel number of each group can be determined simply by changing Ns and Np.

    Original languageEnglish
    Pages (from-to)6630-6633
    Number of pages4
    JournalApplied Optics
    Volume55
    Issue number24
    DOIs
    Publication statusPublished - 2016 Aug 20

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    filters
    ferroelectric materials
    air
    microwave frequencies
    transmittance
    permittivity

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Analysis of multigroup and multichannel filtering properties in a ferroelectric-dielectric periodic multilayer. / King, Tzu Chyang; Li, Ya Wen; Li, Yu Huai; Wu, Chien Jang.

    In: Applied Optics, Vol. 55, No. 24, 20.08.2016, p. 6630-6633.

    Research output: Contribution to journalArticle

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