By applying a thermal chirp to a very strong grating with -66 dB minimum transmission, we are able to accurately reconstruct the complex coupling coefficient profile from the measured complex reflection spectrum.
© 2003 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2300) Fiber optics and optical communications : Fiber measurements
(230.0230) Optical devices : Optical devices
(230.1480) Optical devices : Bragg reflectors
O. H. Waagaard, J. T. Kringlebotn, and E. M. Bruvik, "Spatial characterization of strong FBGs using thermal linear chirp and optical frequency domain reflectometry," in Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, Technical Digest (Optical Society of America, 2003), paper WC2.
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