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Proceedings Paper

Experimental study on cladding mode loss behavior of fiber Bragg gratings by applying stresses
Author(s): Ling Zhao; Haiwen Cai; Lin Li; Jiangzhen Xia; Kan Gao; Rui Huang; Zujie Fang
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Paper Abstract

A study of cladding mode loss behaviors of fiber Bragg gratings (FBG) by applying stresses is described in this paper. Under an axial compressive stress the amplitude of cladding mode losses decreased from 1.44 dB to 0.88 dB with a peak wavelength shift of 0.04 nm to shorter wavelength, while under an axial tensile stress they kept unchanged. The variation of cladding mode loss of FBG under different curvatures of bending was also studied. It was observed that the extent to which the cladding mode loss changes was related to bending directions, which indicates a non-uniform index perturbation distribution. The experimental results were explained by analyzing the mode coupling.

Paper Details

Date Published: 19 October 2001
PDF: 6 pages
Proc. SPIE 4579, Optical Fiber and Planar Waveguide Technology, (19 October 2001); doi: 10.1117/12.444884
Show Author Affiliations
Ling Zhao, Shanghai Institute of Optics and Fine Mechanics (China)
Haiwen Cai, Shanghai Institute of Optics and Fine Mechanics (China)
Lin Li, Shanghai Institute of Optics and Fine Mechanics (China)
Jiangzhen Xia, Shanghai Institute of Optics and Fine Mechanics (China)
Kan Gao, Shanghai Institute of Optics and Fine Mechanics (China)
Rui Huang, Shanghai Institute of Optics and Fine Mechanics (China)
Zujie Fang, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 4579:
Optical Fiber and Planar Waveguide Technology
Shuisheng Jian; Yanming Liu, Editor(s)

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