Displacements of the resonant peaks of a long-period fiber grating induced by a change of ambient refractive index

We present a graphic method of analyzing the spectral displacements of a long-period fiber grating as a function of ambient index. Mode dependence of the maximum displacement, disappearance of a particular resonance peak, and spectral behavior when the ambient index is larger than that of the claddi...

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Bibliographic Details
Published in:Optics letters 1997-12, Vol.22 (23), p.1769-1771
Main Authors: Lee, B H, Liu, Y, Lee, S B, Choi, S S, Jang, J N
Format: Article
Language:English
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Summary:We present a graphic method of analyzing the spectral displacements of a long-period fiber grating as a function of ambient index. Mode dependence of the maximum displacement, disappearance of a particular resonance peak, and spectral behavior when the ambient index is larger than that of the cladding material are investigated and compared with experimental results.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.22.001769