Design and UV writing of advanced Bragg gratings in optical fibers

Nikolai Plougmann

    Research output: Book/ReportPh.D. thesis

    745 Downloads (Pure)

    Abstract

    The refractive index of germano-silica glasses changes during exposure to ultraviolet light. Illuminating an optical fiber with a UV laser, it is possible to induce a periodic change in the effective refractive index of the fiber (Bragg grating). Two main contributions of the Ph.D. project: · Development of a novel polarization control method for UV writing of advanced Bragg gratings with arbitrary refractive index modulation profile including multiple pi-phase shifts. · Development of a novel efficient technique for Bragg grating design which allows calculating an index modulation profile that should be inscribed in an optical fiber in order to achieve a desired spectrum.
    Original languageEnglish
    Place of PublicationKgs. Lyngby, Denmark
    PublisherTechnical University of Denmark
    Number of pages100
    ISBN (Print)87-90-97452-2
    Publication statusPublished - Jun 2004

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