Application of window theory to optimization of fiber bragg gratings for wavelength-selectable antenna beam steering

Alex V. Petrov, Shizhuo Yin, T. S. Yu Francis

    Research output: Contribution to journalArticle

    Abstract

    The profile of fiber Bragg gratings (FBGs) utilized in fiber grating prism and other wavelength-selective phased-array beamformers can be optimized using the results of window theory. In this paper, the window formalism is adopted to quantify the relationship between the FBG profile and its spectral selectivity. It is shown how application of optimum and suboptimum windows affects the reflectivity, bandwidth, and sidelobe level of FBG. Also, the impact of taper on the group-delay nonuniformity, an essential issue for true time delay processors, is discussed.

    Original languageEnglish (US)
    Pages (from-to)161-164
    Number of pages4
    JournalMicrowave and Optical Technology Letters
    Volume17
    Issue number3
    DOIs
    StatePublished - 1998

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Atomic and Molecular Physics, and Optics
    • Condensed Matter Physics
    • Electrical and Electronic Engineering

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