We propose a novel quasi-ellipsoidal microlens employing a quadrangular-pyramid-shaped fiber endface (QPSFE) for the coupling between high-power 980 nm laser diodes and single mode fibers. The QPSFE was fabricated by using a grinding and polishing technique and then heating in a fusing splicer to form a quasi-ellipsoidal microlens endface. A coupling efficiency of 60% has been demonstrated. Based on the Gaussian beam approximation, a simple theoretical calculation of the effect ellipsoidal-axis and working distance on coupling efficiency is presented.


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    Titel :

    A novel quasi-ellipsoidal microlenses employing a quadrangular-pyramid-shaped fiber endface


    Beteiligte:
    Yeh, S.M. (Autor:in) / Lu, Y.K. (Autor:in) / Lin, H.H. (Autor:in) / Cheng, W.H. (Autor:in)


    Erscheinungsdatum :

    01.01.2003


    Format / Umfang :

    28743 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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