Femtosecond laser fabrication of tubular waveguides in poly(methyl methacrylate)

    Authors

    A. Zoubir; C. Lopez; M. Richardson;K. Richardson

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    OPTICAL-FIBER; INDEX; GRATINGS; PROFILES; PULSES; FIELD; Optics

    Abstract

    Femtosecond laser direct writing is employed for the fabrication of buried tubular waveguides in bulk poly(methyl methacrylate). A novel technique using selective chemical etching is presented to resolve the two-dimensional refractive-index profile of the fabrication structures. End-to-end coupling in the waveguides reveals a near-field intensity distribution that results from the superimposition of several propagating modes with different azimuthal symmetries. Mode analysis of the tubular waveguides is performed using the finite-difference method, and the possible propagating mode profiles are compared with the experimental data. (C) 2004 Optical Society of America.

    Journal Title

    Optics Letters

    Volume

    29

    Issue/Number

    16

    Publication Date

    1-1-2004

    Document Type

    Article

    Language

    English

    First Page

    1840

    Last Page

    1842

    WOS Identifier

    WOS:000223074600002

    ISSN

    0146-9592

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