Summary form only given. Novel nitrogen-doped silica-core pure-silica-cladding fibers provide exceptional possibilities to achieve abrupt variations of the refractive-index profile by thermo-diffusion of nitrogen. A high diffusion coefficient of nitrogen in silica makes it possible to create deep changes in refractive index by means of short-time heat action on a fiber section with a length comparable to the fiber diameter. Thus, N-doped silica fibers are most appropriate for various fiber-optic devices produced by thermo-diffusion.


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    Title :

    Mode-field converters and long-period gratings fabricated by thermo-diffusion in nitrogen-doped silica-core fibers


    Contributors:


    Publication date :

    1998-01-01


    Size :

    238981 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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