From the amplitude of the reflected cladding mode peaks, the coupling coefficients are found and the transverse index profile of a fiber Bragg grating is reconstructed via an expansion over the cladding mode fields.
© 2003 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2340) Fiber optics and optical communications : Fiber optics components
X. Daxhelet, S. Lacroix, and M. Verhaegen, "Reconstruction of the transverse index change profile of a Bragg grating from the reflected cladding mode spectrum," in Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, Technical Digest (Optical Society of America, 2003), paper MB2.
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