We have shown that the extraneous resonances seen in fibers with long-period gratings are caused by higher-order harmonics of the grating's fundamental spatial frequency, and can be eliminated. Our fabrication technique uses a variable writing speed computed using the measured nonlinearity of the glass fiber to UV light. This fabrication technique can be extended to writing arbitrary index profiles for a wide variety of fiberoptic devices, enabling fabrication of chirped and apodized long-period gratings that are free from extraneous resonances.


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    Titel :

    Fabrication of long-period fiber gratings with no harmonics


    Beteiligte:
    Grubsky, V. (Autor:in) / Skorucak, A. (Autor:in) / Feinberg, J. (Autor:in) / Starodubov, D.S. (Autor:in)


    Erscheinungsdatum :

    01.01.1998


    Format / Umfang :

    166523 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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