In this paper we review experimental results describing the radiation characteristics of a tapered metal coated optical fiber tips. We have measured both the far field as well as the integrated near field contribution to the radiation transmitted through a sub wavelength sized optical aperture located at the apex of the fiber tip. The tapered optical fiber tips are fabricated using two different techniques. Firstly the tips were prepared by CO/sub 2/ laser melting and pulling a monomode optical fibers having a 3.2 /spl mu/m core diameter and 125 /spl mu/m cladding. In a second method the tips were prepared by a wet chemical etching procedure.


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    Title :

    Spatial distribution of electromagnetic fields of sub-wavelength sized apertures


    Contributors:
    Obermuller, C. (author) / Bickel, F. (author) / Frank, W. (author) / Karrai, K. (author)


    Publication date :

    1996-01-01


    Size :

    134496 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Spatial Distribution of Electromagnetic Fields of Sub-Wavelength Sized Apertures

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    COVER WITH ADAPTABLE APERTURES

    MELTON SHEILA | European Patent Office | 2021

    Free access

    COVER WITH ADAPTABLE APERTURES

    MELTON SHEILA | European Patent Office | 2021

    Free access